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  • $20 hourly

    • 5.0/5
    • (66 jobs)
    🏅 Top Rated Freelancer Hello !!! I’m a Software Engineer specialised in Backend Development with over 6+ years of working experience mostly working on Spring Framework. Hands-on design, development, implementation, and optimisation of the application. Use Object-oriented techniques and Software engineering best practices including Design review, Code review, and Code re-factoring. Experienced with the full Software development life cycle (SDLC) including - Requirement gathering - Prototyping (Design, Development & Debugging) - Testing and - Deployment Good experience in Agile software development methodologies (Scrum, Sprint plan, Timeline, etc.). The strong idea about the deployment process and tools like Maven, Jenkins. 🌟 My Specialization 🌟 ✅ Java (8, 11 & 17): JavaSE, JavaFx, JDBC, Swing, Java Beans, Java Mail. ✅ Java Ee Family: EJB, JPA, Hibernate, CDI, Servlets, RESTful Services (JAX-RS), SOAP Services (JAX-WS), Apache CXF & Bean Validation. ✅ Java Ee Web: JSF, JSP, Thymeleaf, Bootsfaces & Primesfaces. ✅ Spring Family: Spring MVC, Spring Boot (Data, Rest, Vault, Security & Cloud [Microservices etc.]). ✅ SQL: MySQL, PostgreSQL, MariaDB & Oracle ✅ NoSQL: MongoDB & Redis ✅ AWS: IAM, EC2, S3, RDS, Lambda, Elastic Beanstalk etc. ✅ Oracle Cloud Infrastructure (OCI): Compute Service & Autonomous JSON Database ✅ Message Queues: ActiveMQ & RabbitMQ. ✅ Networking: WebSocket (Stomp & SockJs), Socket & RMI. ✅ Testing: JUnit, Spring Test, Mockito, Integration Test, Unit Test. ✅ Versioning: Git, Github, BitBucket & VisualSVN. ✅ DevOps: Docker, Docker Compose & Jenkins. ✅ Web: HTML, CSS, SASS, Javascript, React Js, Bootstrap & Material UI. 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are critical to me. ✅ Over-Delivering: My focus is on PROVIDING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "Great Work." ✅ Responsiveness: Being responsive and keeping all lines of communication readily open with my Clients.
    Featured Skill Java Remote Method Invocation (Java RMI)
    JavaFX
    Technology Tutoring
    Jakarta EE
    API Development
    Java
    MySQL
    Java Persistence API
    MongoDB
    RESTful API
    React
    Spring Boot
    PrimeFaces
    PostgreSQL
    Docker
    JUnit
  • $15 hourly

    • 4.7/5
    • (129 jobs)
    Hello, With more than 100+ happy clients and projects running great across the globe. I have a good knowledge of Ruby on Rails, ReactJS, Javascript, jQuery, CSS, HTML5, Backbone.js, jquery of around 8+ years also having good hands-on Bootstrap as well. Work Ethic:- --------------- * I am very proficient in my skills. * I am a self-motivated, detail-oriented, and strong developer, working for the delivery of excellent results within a quick turnaround. * I will communicate with you throughout the entire process. * I think ahead of every project and will make suggestions that will help you in the long term. * I will always execute your plan in specific detail and on deadline. If you're looking for a reliable Web developer that will communicate well, write clean code, regularly update you, and will not let you down - contact me, I will do my best.! Looking forward to working with you on a Long Term relationship. Thanks Shankar
    Featured Skill Java Remote Method Invocation (Java RMI)
    Amazon S3
    Amazon EC2
    Python
    AngularJS
    JavaScript
    Ruby
    Ruby on Rails
  • $25 hourly

    • 4.9/5
    • (36 jobs)
    IMAGINE saving between $173,000 and $940,000 annually by reducing paperwork, eliminating hours of repetitive tasks, and improving client interactions through a web-based ERP and CRM. IMAGINE becoming the first millionaire in your bloodline by transforming your incredible idea into an online product/platform. YOU CAN SIT BACK AND RELAX! I will take care of your web application from start to finish. I will architect your application based on your idea, develop it, conduct testing and QA, and launch your web application under a unique domain. All you need is a great idea, detailed business operations, a reasonable budget, and a solid plan. With my expertise, transforming your business is easy. I offer comprehensive web-based solutions to manage your clients, tasks, staff, and more—all under one umbrella. I can build high-performance ERP, CRM, SAAS MVP, and web product systems that provide significant upside with minimal risk. I specialize in developing scalable and reliable web-based applications for medium to large businesses in ERP, CRM, SAAS MVP, and web products. My typical applications include: - Secure login/signup with OTP verification. - Real-time automated messaging and notifications. - Shared calendar for managing events, meetings, and tasks. - Subscription-based systems with Stripe/PayPal payment gateways. - Role-based user restrictions. - Dashboard for daily stats. - Back-office/admin panel for management. - Detailed logging for every activity. - AI chatbot for managing customer support. **All of this is designed to deliver a solution that can save your business thousands annually** Full-Stack Developer – I will contribute as an experienced developer, developing critical features for the web application, fixing bugs, and providing instant support for production issues. I will also demonstrate skillful communication with team members to ensure the proper development of features. CTO – As a CTO, I will architect your application from start to finish, including database design, front-end development, back-end development, and the deployment/launch of your application. I will also ensure swift turnarounds and error-free development to get your product to market quickly. Most common solutions I develop: - Online Restaurant - EdTech MVP - Jobs Marketplace - Custom Travel Booking platform - Staff Management System(common for Hospitals and Schools) - Real Estate Property Management System - If you're unsure where to start—click the Message button, and let’s discuss how I can bring your vision to life! By combining my React expertise with Material UI (MUI) and Java with the Spring Framework, I deliver solutions built on a strong foundation of authentication, authorization, and attention to detail, resulting in high-performance, web-based products tailored to your goals. Explore my specialized profiles in Full-Stack Development and Back-End Development for more specific needs.
    Featured Skill Java Remote Method Invocation (Java RMI)
    API
    Amazon Web Services
    Angular
    Minimum Viable Product
    Spring Boot
    Node.js
    React
    Java
    CSS
    HTML
    Customer Relationship Management
    ERP Software
    Web Application
    Web Development
    Full-Stack Development
  • $40 hourly

    • 4.8/5
    • (16 jobs)
    With more than 4 years of experience in Java, I am looking for opportunities to develop Desktop ,Web ,Mobile and Enterprise application using: Skills: Java SE; ✔ Rmi; ✔ JDBC; ✔ JavaFX; ✔ Swing; ✔ Java 8 ; ✔ Reflection; Java EE; ✔ Servlet; ✔ JSP & JSTL; ✔ EJB3; ✔ JSF; JPA &ORM: ✔ Hibernate; ✔ Ibatis; ✔ EclipseLink; Spring Framework; ✔ Spring core; ✔ Spring AOP; ✔ Spring MVC; ✔ Spring boot; ✔ Spring with hibernate; ✔ Spring with JDBC; ✔ Spring with JPA; ✔ Spring data; ✔ Spring SOAP web services; ✔ Spring Rest web services; ✔ Spring Security; ✔ Spring Remote; ✔ Spring Cache; version control; ✔ Git; ✔ Github; ✔ Bitbucket ; project management ; ✔ Maven; ✔ Gradle; Testing; ✔ JUnit; ✔ Mockito; Automation; ✔ Selenium; Integration formats ; ✔ JSON; ✔ XML; Servers: ✔ Tomcat 7 , 8 , 9; ✔ Glassfish; ✔ Weblogic; Relational Databases : ✔ MySQL; ✔ Oracle; ✔ SqlServer; Nosql Databases ; ✔ MongoDB. Web Services; ✔ Restful; ✔ SOAP; Reports; ✔ Jasper Reports; Front end tools ; ✔ html5; ✔ java script; ✔ css3; ✔ Angular 2 ,4; ✔ Thyemleaf ; Linux; ✔ Ubuntu; ✔ Mint; ✔ Deepin; Data science; ✔ R; ✔ Shiny; ✔ Weka Api; Big Data tools; ✔ Hadoop; ✔ Hive; ✔ Java map reduce ; Container Management tools; ✔ Docker; As proof, you can find some of projects here and Github. I am looking forward to discussing with you about this job post.i am available all time The 6 things made me different from other up work contractors. 1.I feel I am the best fit for this job, because I am a team player and very energetic. 2.I’m Honest, Sincere and Responsible worker . 3.Great communication with my Clients. 4.100% GUARANTEED Satisfaction. 5.At the last Quick learner and easily adapt myself in any work environment 6.I am very interested in proposals that i am applying
    Featured Skill Java Remote Method Invocation (Java RMI)
    Amazon
    Spring Security
    Java Persistence API
    Spring Framework
    Hibernate
    Java
    Apache Maven
    Docker
    RESTful API
    Spring Boot
  • $36 hourly

    • 4.8/5
    • (32 jobs)
    A Machine Learning & Deep Learning engineer with primary focus on Natural Language Processing, Predictive Modelling ,Statistical Modelling And Computer Vision. I have been building real world applications using novel Machine learning & Deep Learning techniques. Beside This i have a vast experience in the field of Android Application development. I have also developed Android applications Using tensorflow. Machine Learning 3+ years experiences, Algorithms, Deep Learning (Deep Neural Networks), Metrics, Evaluations, Unsupervised learning: Clustering, Dimensionality reduction Supervised learning: Classifications, Regression Use Cases: Time Series Forecasting, Foreign Exchange (FOREX), Stock Exchange, Healthcare Recommendation Systems Output prediction Online advertising - recommended advertisements for individual user Online advertising - prediction of the propensity to convert (buy) Natural Language Processing (NLP) - chat bots (from scratch) Error detection, correct value prediction Data security Fraud detection Find outliers Algorithms worked on : Used machine learning algorithms: Linear Regression, Logistic Regression, Decision Trees, Ensemble Models, Random Forest, XGBoost, Neural Network (also on GPU), PCA, LDA, SVM, SVD, Lasso, Ridge, Elastic Net, ARIMA, K-Means, RNN, LSTM Hands-on expertise with a range of deep learning tools: * Tensorflow, Keras, TensorRT, PyTorch,Caffe and Theano expert using CUDA backend. * Distributed network training (across CPUs/GPUs). * Data processing: pandas, dask, h5py, Spark.Proficient in building/training cutting-edge, novel neural architectures across various verticals. Familiar with latest research involving DNN, CNN, RNN / LSTM, seq2seq, attention models. Proficient in building/training cutting-edge, novel neural architectures across various verticals. Familiar with latest research involving DNN, CNN, RNN / LSTM, seq2seq, attention models. Used machine learning algorithms: Linear Regression, Logistic Regression, Decision Trees, Ensemble Models, Random Forest, XGBoost, Neural Network (also on GPU), PCA, LDA, SVM, SVD, Lasso, Ridge, Elastic Net, ARIMA, K-Means. Language proficiency: Java/Kotlin, C, Cpp, Python, Machine learning, Deep Learning Libraries: Tensorflow, scikit-learn, keras, opencv,numpy,pandas,Theano,Caffe,PyTorch Platform: Core Java/Java EE/Android/ ML Database: MySQL, SQL-Server, Oracle DB No-SQL Database: Firebase And MongoDb Design Patterns: MVC, RxJava, Dagger 2 APIs: RESTful API Data Structure, Django, Flask I have high work ethics and ensure to deliver the best quality of work to my client. I only undertake jobs that I know I can do well.
    Featured Skill Java Remote Method Invocation (Java RMI)
    MySQL Programming
    JSON
    SQLite Programming
    Web Service
    C
    Android
    Kotlin
    Python
    C++
    Java
  • $30 hourly

    • 4.7/5
    • (23 jobs)
    Programming Languages: Java, Python WebServices: Spring Boot, GraphQL, Jakarta EE Stack Container Management: Docker, Kubernetes Cloud: Amazon Web Services (AWS) , Terraform, Terragrunt Databases: MySQL, MongoDB, DynamoDB Monitoring: Datadog TDD: JUnit, Mockito, Rest Assured Test Automation: Cucumber, Selenium, Playwright Mobile Dev: Ionic, Android Frontend: Angular , Javascript, Typescript ORM/Persistence: JPA, Hibernate CI/CD: Jenkins, Gitlab CI Security: JWT, Owasp Build Tools: Gradle, Maven
    Featured Skill Java Remote Method Invocation (Java RMI)
    Apache Kafka
    Kubernetes
    Docker
    Spring Boot
    Android App Development
    MongoDB
    Java
    Ionic Framework
    Amazon Web Services
  • $100 hourly

    • 5.0/5
    • (75 jobs)
    🏆 Elite Software developer Need to scrape data from challenging websites? I’m your go-to expert. Highlights: 💎 7+ years of experience building and architecting software from the ground up 💎8,000+ tracked hours on Upwork with consistent 5-star feedback Production scrapers (Python/Go) I've built so far: ✔️ Zillow ✔️ Ticketmaster ✔️ Airbnb ✔️ Amazon ✔️ American airlines ✔️ Yelp ✔️ Mercado Libre ✔️ Multiple U.S. government sites ✔️ a bunch of other websites Core Technologies: ♦️Frontend: HTML, CSS, vanilla JavaScript ♦️Backend: Go, Python, Node.js ♦️Infrastructure: AWS, GCP ♦️Web Scraping: Raw HTTP requests for efficiency and speed, adept at bypassing CAPTCHAs Ready to get started? Let’s connect! I offer a free consultation to discuss your project needs, troubleshoot errors, and guide you toward the right solution—even if you decide not to hire me.
    Featured Skill Java Remote Method Invocation (Java RMI)
    Data Mining
    Google Cloud Platform
    Web Crawling
    Web Scraping
    Node.js
    Python
    Golang
  • $30 hourly

    • 5.0/5
    • (32 jobs)
    Cloud DevOps Engineer and System Administrator with more than 14 years of experience working in IT. I am specialized in cloud platforms such as AWS (Most experienced), GCP, Azure and DigitalOCean, especially using tools like Docker, Kubernetes, Terraform, Ansible, always focused on creating a very secure and highly available environment with great performance, monitoring, and cost optimization. I'm also specialized in Linux platforms (Red Hat, CentOS, CoreOS, Ubuntu) and Windows as well. Deep Experience with Linux, Windows, Apache, Nginx, MYSQL and MSSQL administration AWS solid skills in EC2, RDS, VPC, VPN, S3, Cloudfront, Workspace, SES, Route53, ECS, Elastic Beanstalk, etc Deep experience with AWS Devops tools like AWS Code Commit, AWS Code Deploy and AWS Code Pipeline Deep experience with open source Devops tools like Github, Docker, Jenkins, Gitlab and Kubernetes. Deep experience with infrastructure tools like Terraform Deep experience with Migration tools from on premise/cloud provider to another cloud provider. Good Experience With scripting languages like bash and python Good Knowledge of Networking (CCNA Course), Cyber Security Concepts, Cloud Computing and Virtualization. SSL Configuration Working with DevOps in the past 8 years, with focus on automation tools for cloud environments I've specialized myself in: ✅ CI/CD ✅ Docker ✅ Jenkins ✅ DevSecOps ✅ Amazon Web Services (AWS): EC2, ECS, S3, IAM, Lambda, Route 53, CloudFront, CloudFormation, RDS, etc; ✅ Automated Tests ✅ Architecture Solutions ✅ Terraform ✅ Kubernetes ✅ Ansible ✅ Apache, Tomcat and Nginx ✅ Git/SVN ✅ Linux (Ubuntu/RedHat/CentOS) ✅ Bash Script ✅ Powershell ✅ SQL/ NoSQL ✅ Programming Languages (Python, Java, PHP, NodeJS, Ruby) ✅ Expert Level ability with Server Administration in Linux & Windows environment, including designing a well architected framework for applications and infrastructure. ✅ Extensive Experience in Hybrid Migrations, replatforming or reArchitecting cloud solutions. ✅ Excellent in Devops integrating CICD to an Infrastructure build, deploy or operate with core IAAC skills(Terraform, Cloudformation, Ansible, cloud watch, Jenkins, etc.) 🌟 WHY ME ? 🌟 I stay Highly motivated, dedicated and results oriented ensuring client satisfaction & success delivered professionally. 🙋🏼‍♂️I am eager to work with you, to provide reliable, consistent, and High-Level solutions to design/development challenges. Please contact me, so we can discuss how we can work together to FULLY meet your Business Needs!
    Featured Skill Java Remote Method Invocation (Java RMI)
    Google Cloud Platform
    Golang
    API Integration
    API
    AWS CloudFormation
    Python
    PHP
    JavaScript
    Amazon ECS
    Laravel
    Azure DevOps
    DevOps Engineering
    DevOps
    Amazon Web Services
  • $20 hourly

    • 5.0/5
    • (3 jobs)
    I am experienced Java developer with experience in various projects. Also, I have some personal experience in Data Science and Machine Learning
    Featured Skill Java Remote Method Invocation (Java RMI)
    Apache Kafka
    Automated Testing
    Unit Testing
    Docker
    Spring Security
    Spring Boot
    Java
    Microsoft Word
    Microsoft Excel
    Mathematics
    Microsoft Access
    NumPy
    Physics
    pandas
    Python
  • $15 hourly

    • 4.9/5
    • (35 jobs)
    I'm a java backend developer with 3 years experience in building enterprise, banking system, include small, medium sized project. 1. Skills: - Experience in Spring, Spring Boot, Spring MVC, JSP/Servlet, Java Swing. - Experience in message queue, pub-sub architect as RabbitMQ, Kafka. - Experience in distributed system, microservice. - Understanding OS system as Linux, Windows 2. Experienced: - Ngong-Project : Build and develop web app to supply agricultural product (Backend API) - Build some small apps: TCP/UDP, Sockets, RestAPI, message-queue system.
    Featured Skill Java Remote Method Invocation (Java RMI)
    Linux
    RabbitMQ
    Apache Kafka
    SQL
    NoSQL Database
    Automation
    Database
    Microservice
    RESTful API
    Java Persistence API
    Spring Framework
    Spring Boot
    Swing
    Java Servlet API
    Java
  • $25 hourly

    • 4.6/5
    • (47 jobs)
    I'm having hands on experience in Java (Core,JSP & Servlets, REST API), Frameworks( Spring, Spring Boot, Struts 2, hibernate),Web Services, HTML ,JavaScript,jQuery, React.
    Featured Skill Java Remote Method Invocation (Java RMI)
    Apache Maven
    RESTful Architecture
    Java Servlet API
    JSON
    Core Java
    Jakarta Server Pages
    Java RMI
    Web Services Development
    Hibernate
    SQL
    HTML
    Apache Struts
    Java
    JavaScript
  • $100 hourly

    • 5.0/5
    • (25 jobs)
    20+ years of experience in designing, developing and deploying client-server, web, mobile, distributed end-to-end enterprise applications. Worked in environment which involved Cloud Computing like PaaS, SaaS, SDaaS, IaaS, FaaS and UCaaS. Extensively worked in interfacing highly scalable n-tier, high volume, consumer, e-Business applications with Legacy systems.
    Featured Skill Java Remote Method Invocation (Java RMI)
    ChatGPT
    Artificial Intelligence
    Solution Architecture
    Amazon ECS
    jQuery
    Data Visualization
    Elasticsearch
    AWS Lambda
    Apache Kafka
    JavaScript
    Spring Boot
    SQL
    Java
    Microservice
    Hibernate
  • $20 hourly

    • 5.0/5
    • (26 jobs)
    Hello there! I'm a seasoned backend developer with more than 4 years of experience and a passion for creating efficient and scale able solutions. With a deep understanding of software architecture and extensive experience in building trading bots, I'm your go-to expert for turning your ideas into reality. What I Offer: ✅ Backend Development Excellence: I excel in designing and developing robust backend systems that power applications, ensuring seamless functionality and optimal performance. My skills include crafting APIs, managing databases, and implementing security measures to protect sensitive data. ✅ Trading Bot Expertise: Trading bots require precision and finesse. I specialise in developing intelligent trading bots that can execute complex strategies with speed and accuracy. I'm well-versed in integrating APIs from various exchanges, implementing risk management protocols, and building algorithmic strategies. Why Choose Me: 🌟 Proven Experience: With years of experience in the software development industry, I've delivered numerous successful projects for clients worldwide. My track record speaks volumes about my commitment to quality and client satisfaction. 🌟 Trading Domain Knowledge: I have a deep understanding of financial markets and trading strategies. Whether you need a bot for algorithmic trading, arbitrage, or market analysis, I have the expertise to create tailored solutions. 🌟 Collaborative Approach: I believe in clear communication and collaboration. I keep you in the loop at every stage of the project, ensuring that your vision is realised and your expectations are met. Let's Discuss Your Project: Ready to transform your ideas into powerful backend solutions or create a trading bot that outperforms the market? Let's connect and discuss your requirements in detail. I'm here to provide insights, suggestions, and solutions that align with your goals.
    Featured Skill Java Remote Method Invocation (Java RMI)
    RESTful API
    Serverless Computing
    Computing & Networking
    Back-End Development
    Cloud Computing
    Software Development
    Node.js
    Django
    Dart
    MongoDB
    Flutter
    Flask
    Data Science
    Java
    Python
  • $45 hourly

    • 4.9/5
    • (11 jobs)
    Hello👋 Are you looking for experienced and certified Java engineers to boost your project? You are on the right page! Clear Solutions team provides Java engineers and grows their skills for you. We have more than 12 years of experience in IT and 8+ in Java. My team and I are happy to provide: 🚀 Java developers with transparent knowledge for transparent rates 🚀 People development services: technical assessments, mentoring, evaluation etc. Based on more than 500 interviews and technical assessments we made in the industry so far we created our own evaluation scale. Therefore you always know what set of knowledge you pay for each grade. Do you feel this is what you need? Let's schedule a quick call and find out how we could help you to grow ✅ I have an experience in the following: 👉 migration from on prem to AWS 👉 building microservce architecture from scratch 👉 delivering robust and high-quality code with unit tests 👉 building java high-load and distributed applications 👉 migration from monolith to microservices 👉 building the right engineering culture inside the company 👉 mentoring technical leaders Tech Stack: 🔹 Languages: Java 8, Java 16, Groovy. Spring boot, RESTful API, DB design, 🔸 Frameworks: Spring, Spring Boot, Hibernate, Spring Data 🔹 Clouds: AWS 🔸 SQL: PostgreSQL, MariaDB, Oracle 🔹 NoSQL: Elasticsearch, Redis, MongoDB, Cassandra, DynamoDB 🔸 Message brockers: Apache Kafka or RabbitMQ 🔹 Testing: Junit5, Testcontainers, Spock, RestAssured We have expertise in the following fields: ✅ FinTech, ✅ Trading, ✅ Cryptocurrency, ✅ Banking, ✅ Data processing, ✅ Healthcare, ✅ Social Networking and more. Do you feel this is what you need? Let's schedule a quick call and find out how we could help you to grow As a Backend Developer, I specialize in building robust Java Applications using Core Java, Spring Framework, and Spring Boot 3, leveraging tools like Maven, Gradle, and Bazel for efficient builds, and integrating Hibernate, JPA, and Apache POI for database and document handling. I have extensive experience with RESTful Architecture and SOAP for designing APIs, ensuring Application Security, and implementing testing frameworks like JUnit, JUnit5, Mochito, and AssertJ. I work across diverse environments, including Docker, AWS, Amazon Elastic Beanstalk, AWS Lambda, Google Cloud, and Azure (Azure Cosmos DB), utilizing databases like PostgreSQL, MySQL, MongoDB, Oracle Database, Microsoft SQL Server, IBM Db2, and RabbitMQ. On the frontend, I use HTML, CSS, JavaScript, TypeScript, Angular, AngularJS, and React, collaborating seamlessly using tools like Jira. For messaging and event-driven architecture, I rely on Apache Kafka, Apache ActiveMQ, and RabbitMQ, and for advanced testing, I employ Testcontainers. With a focus on Software Architecture & Design, I also develop Standalone Applications, Desktop Applications, and Web Services, ensuring scalable, secure solutions for enterprise systems and Microservices Architecture.
    Featured Skill Java Remote Method Invocation (Java RMI)
    Amazon Web Services
    MySQL
    MongoDB
    Spring Boot
    Kubernetes
    RabbitMQ
    RESTful API
    Elasticsearch
    Docker
    Hibernate
    Spring Framework
    Java
    SQL
    Apache Kafka
  • $75 hourly

    • 4.9/5
    • (110 jobs)
    ✅ Expert-Vetted (TOP 1% expert at UpWork) ✅ TOP RATED PLUS ✅ 100% Job Success ✅ $1.8M+ earned. Yet, I am just getting started.! I'm Thiago, a seasoned full-stack developer and marketing automation specialist dedicated to delivering outstanding outcomes. Throughout my career, I've had the privilege of collaborating with prestigious clients and esteemed organizations, including Bloomberg, Cargill, Costar, and various companies engaged in digital transformation. My unwavering commitment to client satisfaction is exemplified by my consistent track record of surpassing expectations and going the extra mile. Custom Application Development: My expertise lies in the realm of custom application development, encompassing a wide range of technologies such as .Net, C#, ASP.NET MVC, .NETCore, ReactJS, Angular, JQuery, SQL Server, HTML, CSS, WordPress, Salesforce, mobile app development, JavaScript, and Apex programming language. Salesforce: I possess an in-depth understanding of Salesforce clouds, including Sales Cloud, Service Cloud, Marketing Cloud, CPQ, Mulesoft, Field Service Lightning, Financial Service Cloud, Commerce Cloud, Experience Cloud, and NPSP. Additionally, I am well-versed in APEX programming, Lightning Web Components, process builders, workflow automation, and RESTful/SOAP API development. Marketing Automation: My extensive experience includes successfully executing numerous large-scale projects, involving the design of system architectures, seamless integration with external systems and databases, and the development of tailored solutions for lead routing, email notifications, and record de-duplication. I possess proficiency in leading marketing automation platforms such as Salesforce Marketing Cloud, Marketo, Eloqua, Pardot, and HubSpot, with a proven track record of implementing and configuring cutting-edge marketing automation solutions for enterprise-level organizations. Feel free to reach out to discuss how I can contribute to your success. Let's connect and explore the possibilities together. Technical Specification: Wordpress, CodeIgnitor, Zend, Magento, ExpressionEngine, iOS Development, Craft CMS, Personalization, Hubspot, Marketo, Eloqua, Mandrill, Git, PHP, Joomla, Silverlight, Android Development, IoT Development, Litmus, Symphony, .NET, C#, Agile SCRUM, HTML5, CSS3, SASS, NPM, Gulp/Grunt/Yarn, XML, SOAP, JSON, Linux, Bash, Apache/NGINX, Javascript, Node.js, Express.js, jQuery, mySQL, MongoDB, PostGres, Salesforce, CiviCRM, Apple Watch, Machine Learning, TensorFlow, Cloud AI, Azure Machine Learning, Shopify, Laravel, Amazon AWS, Ruby on Rails, Kentico, Sitecore, Umbraco, Elcom, Progress Sitefinity, DNN, Ingeniux, Episerver, Pimcore, Vue, Cesium, React, Angular, Ember, Backbone.js, Ember, Sharepoint, Java
    Featured Skill Java Remote Method Invocation (Java RMI)
    XML
    Salesforce Email Studio
    Business Applications Consultation
    Custom App
    API
    Customer Portal
    Salesforce Marketing Cloud
    Apex
    Pardot
    Salesforce Service Cloud
    Salesforce App Development
    SOAP
    Salesforce Lightning
    Salesforce CRM
  • $45 hourly

    • 4.9/5
    • (27 jobs)
    👋 Hi there! I’m a seasoned Full Stack Web Developer with years of experience in delivering high-quality web solutions. Together with my skilled team of developers, we create scalable, efficient, and visually stunning web projects of any complexity. From startups to enterprises, we’ve got you covered! 🚀 💻 Services We Offer: 🌐 Custom Web Development: Tailored solutions to meet your unique business needs. ⚡ API Integration & Development: Seamlessly connect your systems and apps. 🛒 E-commerce Solutions: Shopify, WooCommerce, and custom stores that convert. 📈 Website Optimization: Boost performance, speed, and SEO rankings. 🔧 Bug Fixing & Debugging: Squashing bugs and ensuring smooth operations. 🧠 AI-Powered Solutions: AI bots, chatbots, and intelligent systems to enhance user experience. 🎨 UI/UX Design: Modern, user-friendly designs that captivate audiences. 🛠️ Plugin & Extension Development: Enhance functionality with custom tools. 🔒 Payment Gateway Integration: Secure, seamless payment solutions. 📊 Data Management: Database design, optimization, and migration. 💼 Why Choose Us? ✅ Proven expertise with diverse technologies. ✅ A dedicated team ready to tackle any challenge. ✅ Commitment to deadlines and quality. ✅ Transparent communication and support. Let’s bring your vision to life! 🌟 🔥 Buzzwords: Web Application Website Redesign AI Agent Development AI App Development AI Bot AI Development AI Model Integration AI-Generated Code API Development API Integration Browser Extension Chatbot ChatGPT API Integration Database Development Desktop Application Ecommerce Website Full-Stack Development Google Chrome Extension Odoo Development OpenAI Codex Prompt Payment Gateway Integration Platform Plugin Software Debugging Website Optimization WordPress Plugin Adobe Photoshop Google Analytics .NET Framework Angular AngularJS ASP.NET ASP.NET MVC Bootstrap Database Architecture Git HTTP Jakarta Server Faces Jakarta Server Pages jQuery React Scrapy Vue.js Amazon Web Services .NET Compact Framework Act.Framework CreateJS Django JUnit Micronaut Node.js RESTful API SaaS Spring Framework Apache Spark Kendo UI Dagger Jasmine NUnit pandas PyTorch TensorFlow ADF Faces ADO.NET Agavi Agile Software Development AJAX Akka AlphaCode Amazon CodeWhisperer Amazon EC2 Ansible Apache Axis Apache Camel Apache Cayenne Apache Click Apache Cocoon Apache Commons Apache Commons Logging Apache CXF Apache Empire DB Apache FreeMarker Apache Jackrabbit Apache Log4j Apache Lucene Apache Maven Apache PDFBox Apache POI Apache Shiro Apache Sling Apache Struts Apache Struts 2 Apache Subversion Apache Tiles Apache Velocity Apache Wicket ASP.NET Core ASP.NET Web API AspectJ Atlassian Bamboo Aurelia AWS Amplify AWS Lambda Azure DevOps Backbone.js Bitbucket BootstrapVue Bottle Web Framework CakePHP Caspio ChatGPT CherryPy CircleCI ClojureScript CodeIgniter Concurrent Versions System Content Management System Crawler4j CSS Grid Custom PHP Cycle.js D3.js Dash Database Management Deeplearning4j DevOps DHTMLX Distributed Ledger Technology Docker Dojo doT.js Dropbox API Dropbox Sign API Dropwizard Drupal EclipseLink Ehcache EJB EJS Elasticsearch Ember.js Entity Framework ExpressJS Ext JS Fabric.js Facebook JavaScript Fat-Free Framework Flask Flexbox FuelPHP Gatsby.js Gemini Code Assist Gemini for Google Workspace GeoAPI GitHub GitHub Copilot GitLab Google Cloud Platform Google Gson Google Guava Google Guice Google Web Toolkit GPT API GPT-3 GPT-3.5 GPT-4 GPT-4 API GPT-4o Gradle Grails Grunt gulp Handlebars hapi Hibernate HTML KickStart HTML5 Boilerplate http4s iBATIS IPython iText Jackson JasperReports Java Collections Framework Java Media Framework Java Persistence API Java RMI Java Servlet API Javassist JBoss Seam JDBC JDOM Jenkins JetBrains TeamCity Jinja2 Joda-Time Joomla jqGrid JSON JSTL Keras KeystoneJS Knockout.js Kubernetes Laminas LangChain Laravel Leaflet LeSS Framework Lodash Logback LoopBack MapDB Material UI Mercurial MeteorJS Microservice Microsoft Azure Mockito MontageJS MooTools Mustache MyBatis Neos Flow NestJS Netlify Netty New Relic Next.js npm NumPy Nuxt.js OpenAI API OpenAI Codex OpenCSV OpenCV ORMLite Phalcon PhantomJS Pingdom Pipenv PixiJS Play Framework Pop PHP PrimeFaces Prototype JavaScript Framework Pyramid Python Fire Python Scikit-Learn Python-Requests Quartz Quasar Framework React Bootstrap Redux Responsive Design RESTEasy RestFB RESTful Architecture restify Riot.js Ruby on Rails RxJS Sails.js SciPy Search Engine Optimization Semantic UI SilverStripe Framework Sinatra Skeleton SLF4J Slick SMART Framework Smarty Spine JS Spring AMQP Spring Batch Spring Boot Spring Data Spring Data JDBC Extensions Spring Data MongoDB Spring Data Neo4j Spring HATEOAS Spring Integration Spring MVC Spring Security Spring Session Spring Social Stapes.js StringTemplate Symfony Tabnine Tailwind CSS Three.js Thymeleaf Tornado Travis CI Twig Twilio API TwistPHP Twitter4J Underscore.js Vaadin Vercel Vuetify
    Featured Skill Java Remote Method Invocation (Java RMI)
    Node.js
    CSS
    Web Design
    HTML
    Database
    WordPress
    MySQL
    Web Development
    React
    Laravel
    API Development
    API
    API Integration
    PHP
    JavaScript
  • $35 hourly

    • 4.9/5
    • (2 jobs)
    👋Are you in search of a skilled .NET Developer who will help you rock the digital world and achieve the bravest goals? Here is a perfect match! 📌FREE consultation is provided📌 As an experienced .NET developer, I specialize in creating robust, scalable, and high-performance web applications using ASP.NET, C#, and MVC architecture. With a strong foundation in object-oriented programming and proven expertise in building secure, responsive, and maintainable applications, I help businesses achieve their goals through innovative solutions. Whether you're developing a new project or enhancing an existing one, I am committed to delivering top-quality code with a focus on security, performance, and user experience. Let’s work together to turn your ideas into reality with clean and efficient .NET solutions! 🛠️How can I help you? • top tier product or tech consultancy • lead your development team, project, or product management • frontend and backend development for your web service • design cost-efficient and high-load-ready server and database architecture • cost optimize, redesign your existing backend architecture 🎯My goal here isn't to do a single project or job, but to establish a relationship that allows me to receive additional projects and work from you down the road as well. Regular communication is really important to me, so let’s keep in touch!
    Featured Skill Java Remote Method Invocation (Java RMI)
    MySQL
    Microsoft SQL Server
    ASP.NET Core
    Web Development
    ASP.NET
    MVC Framework
    C#
    .NET Core
    Microsoft IIS
    ASP.NET Web API
    Microservice
    ASP.NET MVC
    SQL
    Entity Framework
    .NET Framework
  • $65 hourly

    • 5.0/5
    • (46 jobs)
    I am TOP RATED, a strong Java and PHP developer from the United States. In the past, I worked for the biggest companies such as Oracle, Accenture, First Data, Barclays Bank, etc. I have 20+ years of experience in web development and I highly specialize in - Java (Java EE, Spring, Spring Boot, Spring Annotations, Spring MVC, Spring Security, JMS, Java Struts, Java Servlets, JSP, Hibernate, MyBatis, REST, ActiveMQ). - PHP (Laravel, WordPress) - Javascript (React, Angular, JQuery, Vue.js) - HTML, CSS, Bootstrap, Tailwind CSS - MySQL, Postgres, Oracle, NOSQL, MongoDB. - AWS, WildFly, Apache Tomcat I have built more than 200 systems and I am comfortable working with both existing and new projects. I helped hundreds of clients in their business and I am here to help you as well!
    Featured Skill Java Remote Method Invocation (Java RMI)
    Web Service
    J2EE
    Vue.js
    AngularJS
    HTML
    React
    Laravel
    PHP
    SQL
    Microservice
    Java Persistence API
    Spring MVC
    Spring Boot
    Spring Framework
    Java
  • $30 hourly

    • 4.6/5
    • (26 jobs)
    Key Skills: • Total 18 Years of experience in Software Development using Java J2EE(Spring, Spring Boot, Spring Security, Spring Cloud, Spring SOAP, Micronaut, Hibernate, JPA, Struts, EJB, JMS, JSF, GWT, ActiveMQ, Apache CAMEL, Apache Kafka, Apache Pulsar, Microservices ) • J2EE(Spring, Spring Boot, Spring Security,Spring Cloud, Micronaut, Hibernate, JPA, Struts, EJB, JMS, JSF, GWT, ActiveMQ, Apache CAMEL,Apache Kafka, Apache Pulsar, Microservices ) • Serverless frameworks (Azure Functions, Durable Functions, AWS Lambda, IBM Openwhisk) • Extensive working knowlegde of Cloud Infrastructure and Marketplace applications(Azure -Function Apps, Durable Fucntions, APIM, Azure Service Bus, Key Vault, Azure EventHub, AWS - Lambda Functions, AWS API Gateway, S3, AWS SQS, IBM Cloud, GraalVM). • Good experience of working with Data Streaming platforms like Apache Pulsar and Apache Kafka. • Distributed Edge Computing and have good experience in working with systems of high scale. • Good working experience of integrating the systems with AI Bots. • Worked on Auth0, Okta and integrating many systems using Auth0 • Worked on Siddi and Complex Event Processing (CEP Systems) • Containers (Docker, Kubernetes, Azure AKS) • Extensively worked on Performance Testing using various tools like Apache Pulsar Perf, Jmeter, YCSB and getting Benchmark numbers. • Search Engine (Solr, Lucene, Elastic Search) • Expertise in development of Plug-ins, Widgets, Jive Apps, Web Services, Themes on Jive Platform and well versed with Jive SBS 4.5, 5.0, 6.0, 7.0, 8.0, jive-n, jive-x platforms • Expertise in using build tools like Maven, Ant, Jenkins, Cruise Control and setting up CI/CD pipelines • Expertise in writing/consuming Web Services (REST and SOAP) • ETL Tools (Talend Open Studio and ETL Works). Good working knowledge of Talend Open Studio and cloud based ETLWorks and writing and integrating jobs with other systems like Salesforce, Mulesoft, Sharepoint, MercuryGate, Ring Central, Twilio, SendinBlue, DAT, BlueYonder, 123Loadboard, DAT etc and other Enterprise Web applications. • Expertise in deploying web applications on Windows/Linux/Unix servers • Good Hands on experience in managing and configure Servers like Tomcat,Apache, SUN ONE AS – 8.1, WEBLOGIC 8.1, Glassfish v3 and 4 • Certified as SCJP(Sun Certified Java Professional) • Certified as SCWCD(Sun Certified Web Component Developer) Professional • Certified MongoDB developer from MongoDB University Over the last few years I have worked with global clients like ICOMAI, Albertsons, UST-Global, British American Tobacco(BAT), Grail Research, Sony, Hitachi, Morgan Stanley, Bank of New York and have gained considerable experience in architecting and developing highly scalable Enteprise web and data solutions.
    Featured Skill Java Remote Method Invocation (Java RMI)
    Distributed Computing
    SonarQube
    J2EE
    Performance Testing
    Microsoft Azure
    Web Service
    JSON
    Java
    JUnit
    API Integration
    Spring Boot
    Azure DevOps
    Docker
    Microservice
    Spring Batch
  • $50 hourly

    • 5.0/5
    • (1 job)
    ✅ ♛ TOP-RATED PLUS! ✅ ✓ HIGH-QUALITY PRODUCT DELIVERY✅ ☯ LONG-TERM RELATIONSHIP 🇺🇦 Hey, I'm Ukrainian, I'm in a safe place and have the ability for non-stop work! ⚡️ 🌍 Our team is distributed over POLAND 🇵🇱, ITALY 🇮🇹, ROMANIA 🇷🇴, CANADA 🇨🇦, and UKRAINE 🇺🇦. I am a Full Stack Engineer at InterCode company with 10 years of experience in the industry! 👨‍💻👨‍👩‍👧‍👦 🔥Technical Skillset: 🖥 Programming Languages / Technologies: .NET 7 / JavaScript / TypeScript / HTML/ CSS, C# / ASP.NET Core / Web Services and APIs / Microservices / Kafka / XML / JSON / JWT 📊 RDBMS MS SQL / Postgres / Oracle / SSRS, PowerBI and Tableau Server / CDC and ETL 👨‍👩‍👧‍👦 Methodologies Agile, SCRUM, Kanban / TDD / Shift-Left / Feature Driven Development ☁️ Cloud Azure AD and Azure App Services / DAPR / K8S / Azure Pipelines, GitLab Pipelines / Terraform I have successfully led teams of up to 15 engineers in delivering high-quality software solutions. I strive to achieve results, take responsibility for my work, and communicate effectively with others. I'm always open to learning new things and receiving constructive criticism. Keywords🔑 Front-End Development Back-End Development Website Responsive Design ReactJS Next.js TypeScript HTML5 CSS3 SCSS SASS Bootstrap Material-UI Webpack Ant Design Angular JavaScript Tailwind CSS GraphQL Redux React Bootstrap Website Redesign Web Application Ecommerce Website Browser Extension Figma Performance Optimization UX/UI Design Mobile App Development MERN Stack MongoDB Express.js React.js Node.js Nest.js React IOS Android API Design SQL PostgreSQL Amazon Web Services DynamoDB S3 EC2 Expo App Center Firebase Distribution TestFlight RESTful APIs Cloud Platforms AWS Azure Websockets Charts 3D Visualization Third-Party APIs JavaScript Developer TypeScript Developer Angular Specialist NgRx Expert RxJS Developer React Developer Redux Developer Sass Expert MaterialUI Specialist Bootstrap Developer Mantine Developer Frontend Developer Backend Developer Full Stack Developer Web Development Specialist MERN Stack Developer NodeJS Developer Express.js Developer Test Engineer Stripe Integration Specialist Handlebars Developer Agenda Scheduler Developer MySQL Database Administrator PostgreSQL Database Specialist MongoDB Expert AWS Solutions Architect AWS Redshift Developer Agile Project Manager SCRUM Master Kanban Specialist Micro-Frontends Developer Feature Driven Development Specialist Behavior Driven Development Specialist MVP Development Expert Trunk Based Development Expert VSCode Expert WebStorm Expert Jenkins CI/CD Engineer CircleCI Specialist Heroku Deployment Expert DataGrip Database Specialist Studio3T MongoDB Specialist Git Expert GitHub Repository Manager Docker Containerization Expert API Developer Web App Developer Responsive Design Expert Cross-Platform Mobile Developer Third-Party APIs Integration Specialist Performance Optimization Expert Cloud Services Developer CI/CD
    Featured Skill Java Remote Method Invocation (Java RMI)
    Web Design
    API
    .NET Framework
    ASP.NET Core
    ASP.NET MVC
    ASP.NET
    C#
    CSS
    Angular
    API Integration
    Web Application
    HTML
    React
    JavaScript
    Web Development
  • $55 hourly

    • 4.7/5
    • (101 jobs)
    About Me I have 10+ years of experience in Mobile App Development Project Management, specializing in Android, iOS, & Cross-Platform App Development using Java, Kotlin, Swift, Objective C, React Native, Redux Flutter, Firebase, Mongo Db, User Authentication, Typescripts, and AI-driven applications. My expertise spans iOS & Android development, AI-powered solutions, seamless authentication systems, and full-stack capabilities, ensuring modern, high-performance apps for businesses of all sizes. Our Agency Since July 2017, my wife, our talented 55+ team members, and I have been delivering world-class digital solutions. ✔️ 150+ apps successfully delivered across multiple platforms in the last year ✔️ $3M+ turnover on Upwork ✔️ 500+ successful projects, 15,000+ hours worked ✔️ Close to a 100% success rate ✔️ Worked with 7, 8, and 9-figure businesses Our Expertise 📱 Mobile App Development • Android, iOS, & Cross-Platform Apps (Java, Kotlin, Swift, Objective C, React Native, Flutter) 🌐 Web & Full Stack Development • Front-End: React.js, Angular.js, Next.js, WebRTC • Back-End: Node.js, Firebase, MongoDB, PostgreSQL • Cloud Deployment & API Integrations 🛒 E-commerce & CMS Development • Shopify Developer & Customization • WordPress Developer & WooCommerce Solutions 🎨 UI/UX Design & Branding • Adobe XD, Figma, Photoshop, Sketch 📈 Digital Growth & Security • SEO & Digital Marketing Optimization • Data Security & Intellectual Property Protection ⚖️ Intellectual Property Services • Trademark & Copyright Assistance Why Choose SolidAppMaker? ✅ Tailored Approach: Every project is customized to fit your needs and budget. ✅ Agile Workflow: Regular updates, milestones, and transparent communication. ✅ High-Quality Development: Rigorous testing & performance optimization. ✅ Competitive Pricing: Top-tier services at fair and transparent pricing. ✅ Proven Track Record: Experience with MVPs, SaaS platforms, AI-driven apps, and enterprise solutions. Why SolidAppMaker Stands Out ✔️ 8+ years of expertise in UI/UX, mobile apps, SaaS & web development ✔️ 510+ projects successfully completed for startups & enterprises ✔️ 10+ awards & recognitions, featured on Upwork & top design platforms ✔️ 50+ countries served, delivering top-tier prototyping & development solutions Proven Results: 🚀 SaaS UI/UX enhancements boosted retention by 60% 📱 Mobile UI redesigns reduced churn by 40% 💻 Web App UX improvements increased task completion by 90% 🛒 eCommerce UI revamps increased sales by 70% 🔍 Landing page optimizations improved conversions by 45% Industries We Cover Healthcare, Transport, Retail, Asset Management, Real Estate, Dating, Nature/Wildlife, Rental, Food Delivery, Fintech / Finance and Banking, Cryptocurrency, Entertainment, Hospitality, Logistics, Manufacturing, Media and Publishing, Non-Profit, Sports and Fitness, Travel and Tourism, Utilities, Wellness, Medical Dashboard, Marketplace, Advertising, Automotive, Business Innovations, Ecology, Human Resources, LegalTech, Lifestyle, Fashion, Marketing, Navigation, Education, E-learning. Highlighted Skills Project Planning, MVC Architecture and RESTful APIs, Front-end Technologies (React.js, HTML5, CSS3, JavaScript), Responsive and Mobile-first Design, Database Design and Implementation (MongoDB, Firebase), User Authentication, Integration of Third-party APIs, Deployment to Cloud Platforms (AWS), Test-driven Development, Agile Methodologies (Scrum, Kanban), Security Technologies, QR Code Scanner, GPS and Mapping, Blockchain and NFT, ChatGPT and Artificial Intelligence, E-commerce Solutions, Chatbots, Version Control Systems (Git, GitHub), Project Management and Collaboration Tools (ClickUp, Jira, Trello), Documentation and Code Commenting, SEO and Maintenance, MVP SAAS, Website and Web App from Scratch, Rebuild, Upgrade, Modernize, Prototype, Start-Up, High-Friendly Custom Development, Fix, Proficiency, Optimizing, Transform, Deliver, Solution, Ensure, Create, Enhance, Implement, Great Problem-solving, Excellent Communication, Assist, Collaborate, Mobile App Development, Web App Development, User Interface Design, Payment Integration (Stripe), Payment Gateway, ERP, CRM, Develop and Maintain, User-friendly Interface. What Clients Say About Us 🔹 Zachary Berk – Happco: "The team was outstanding and steady in their support and commitment to follow through and create the quality app that I dreamed about bringing to the marketplace. Thank you!" Next Steps – Let’s Build Something Amazing! 📅 Would you be available for a 30-60 minute free consultation? During this meeting, we will: ✔️ Go over your project goals, technical needs, and budget. ✔️ Provide a project plan with a timeline and cost estimate. ✔️ Discuss the best development approach to fit your vision. 📩 Send me a message, and I’ll share the Upwork scheduler link so we can set up a time that works best for you. Looking forward to collaborating and creating something extraordinary! Best regards, John H Fijen
    Featured Skill Java Remote Method Invocation (Java RMI)
    User Authentication
    Firebase
    MongoDB
    TypeScript
    Swift
    JavaScript
    Android App Development
    iOS Development
    React Native
    Smartphone
    Mobile App Development
    Android
    iOS
    Flutter
  • $40 hourly

    • 5.0/5
    • (11 jobs)
    I don’t just build MVPs—I scale them into enterprise-grade products that handle billions in transactions. With over 10 years of experience, I help turn early-stage ideas into fast, scalable, and secure systems tailored for FinTech, Healthcare, E-commerce, and SaaS industries. If you're looking for a developer who can take your vision from startup to scale-up, you’re in the right place! Key Skills and Technologies: ✅Languages: Java, Python, JavaScript, TypeScript ✅Frontend: React, Next Js, VUE, Angular, Django, Redux, Sass, Bootstrap, Material UI, Vuetify, ES lint, and JQuery. ✅Backend: Spring Boot, Node, Nest Js, Spring Cloud, Spring Data, Spring Security, JPA, and Hibernate ✅Full Stack: MERN Stack, MEAN Stack, PERN Stack, and PEAN Stack ✅Databases: SQL, Mongo DB, MySql, PostgreSQL, Mongoose, SQL Server, Views, Transaction Management. ✅Architecture: Docker, Microservices Architecture, Cloud Run, and Severless. ✅APIs: REST API, GraphQL, Firebase, Google API, Amazon Web Services, Google Cloud Platform. ✅Cloud: AWS - EC2, Serverless, Amplify, Cognito, CloudFront, Pipelines, Lambda, S3, OpenSearch, Google Cloud and Azure As a developer committed to continual learning and innovation, I am dedicated to delivering solutions that are not only technologically advanced but also strategically aligned with the latest industry trends. My goal is to create value for my clients by providing high-quality, future-proof solutions I look forward to the opportunity to discuss how my skills and the latest technological advancements can contribute to the success of your projects. Best, Junaid 😊
    Featured Skill Java Remote Method Invocation (Java RMI)
    MEAN Stack
    MERN Stack
    Spring Cloud
    NestJS
    Full-Stack Development
    Web Development
    Web Application
    Nuxt.js
    Next.js
    React
    Angular
    Node.js
    Vue.js
    Spring Boot
    Java
  • $50 hourly

    • 5.0/5
    • (17 jobs)
    𝐑𝐢𝐠𝐡𝐭 𝐧𝐨𝐰 𝐈 𝐚𝐦 𝐜𝐨𝐧𝐬𝐢𝐝𝐞𝐫𝐢𝐧𝐠 𝐨𝐧𝐥𝐲 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐨𝐩𝐩𝐨𝐫𝐭𝐮𝐧𝐢𝐭𝐢𝐞𝐬. 🥇EXPERT-VETTED - Only 1% of talents get this badge 💯100% JOB SUCCESS 🏆 TOP RATED PLUS - Top 3% of companies With 12+ years of industry experience, I specialize in delivering scalable, highly reliable web and mobile applications. For instance, I've delivered projects from a video streaming platform with auto-scaling capabilities to a restaurant ordering and check-out solution, which has grown from 0 to 5000 venues with more than 50000 unique users per day (over 2 million monthly). My expertise extends to web, PWA, and mobile app development. 💡Here’s how I can help you succeed: I’m a full stack, senior web developer, dedicated to crafting scalable, innovative, and user-focused solutions that elevate your business. From initial concept to deployment of fullstack software, with previous project manager expertise, I guide every step of the process, ensuring your app or website is optimized for functionality and design. Backend Development: being a software engineer, proficient in Python, FastAPI, Django, Flask, and Node.js | mern stack, I design and optimize APIs, implement microservices, and ensure scalable architectures. Frontend Development: skilled in React, TypeScript, JavaScript, HTML5, and CSS, and other various front end technologies, I create intuitive, responsive, and visually appealing user interfaces. Mobile Development: skilled app developer in React Native, TypeScript, JavaScript, Expo, Firebase, and other various technologies, I create intuitive, responsive, and visually appealing cross platform iOS app and Android applications. Optimized Database Management: Extensive experience with PostgreSQL, MySQL, and SQL-based optimizations for high-performance applications. Cloud & DevOps Expertise: Hands-on experience with AWS, Docker, and cloud deployments, ensuring seamless scaling and infrastructure management. Security & Performance: I implement advanced security measures, load balancing, and performance optimization techniques to ensure robust and stable applications. I don’t do projects for the integrations only separately. I do integrations when it’s included in the bigger projects. 📈 Industries & Applications: Hospitality - Enhance guest experiences with innovative hotel and restaurant apps. Food & Beverage | FoodTech - Streamline delivery services and restaurant management, online ordering, KDS, and POS terminals. Travel - Develop travel apps that make planning and booking a breeze. Construction & Real Estate - Manage projects and properties efficiently with custom apps. Education & EdTech - Create interactive learning platforms and educational tools, CRM. Healthcare & Telehealth & Telemedicine - Improve patient care with telehealth and health management apps. Fitness & Sport - Build fitness tracking, workout, and sport management apps. Streaming - Develop high-quality streaming applications for entertainment. FinTech & Finance & Banking - Secure and user-friendly financial and banking solutions. 🔧 Skills & Expertise: Front end: React.js, React Native, Next.js, JavaScript, TypeScript, Bootstrap, jQuery, HTML, CSS Back end: Python, Django, FastAPI, Flask, Node, Nest.js, Express.js Cloud Services: AWS (Amazon Web Services), AWS Lambda Database Architecture: MySQL, PostgreSQL, MongoDB API Integration: RESTful APIs, GraphQL Here are a few reasons you will enjoy our collaboration: 📌 We don’t just build - we think ahead to help you avoid pitfalls and succeed smoothly. 📌 Day or night, we’re on call—always ready to jump in when you need us. 📌 The initial maintenance is included in every contract to ensure your project starts strong. 📌 Your project stays yours, from code to credentials. Ready to take your project to the next level & looking for a full-stack developer? Invite me to your job or reach out to get a detailed estimation of your project. Get custom software crafted with passion!
    Featured Skill Java Remote Method Invocation (Java RMI)
    PostgreSQL
    Next.js
    Progressive Web App
    API Development
    Web Application
    Amazon Web Services
    Node.js
    FastAPI
    Django
    Python
    API Integration
    JavaScript
    React Native
    TypeScript
    React
  • $50 hourly

    • 4.7/5
    • (54 jobs)
    The Best at developing everything related to browsers & OS. 🌐 Chromium/Brave based Browser Development, ⚙️Operating Systems Development (Linux/ChromiumOS/AOSP based) 🖥️ Tauri & Electron & CEF & C++ & QT & Flutter & C# & Python & Java Software Development, 📱 React Native Mobile Apps Development,🕸️ Web Scraping, 🛠️ Browser Extension Development Hello! I’m Naeem, a Senior Desktop & Mobile Apps Developer specializing in Chromium & Brave Browser, CEF, Electron software development. With over 11 years of software development experience, I’ve completed more than 400 projects, ranging from CEF, Electron, Browser Extensions development to full-fledged desktop & mobile browsers based on Chromium/Brave. As a Top Rated Upwork Freelancer, I pride myself on my expertise in creating custom solutions tailored to your business needs. Whether you need a new browser, automated web scraping tools, or cross-platform applications, I’m here to bring your vision to life. Let’s dive into my core skills: 🌐 Browser Customization: Expertise in Chromium and Brave for developing customized browsers or adding unique functionalities. Made 17+ Chromium/Brave based Browsers and have 5 years experience in this field. ⚙️Operating Systems Development: developing Linux/Chromium OS/AOSP based full fledge OS. 🖥️ Desktop Development: Leveraging Chromium Embedded Framework (CEF) and Electron for building cross-platform desktop applications that run smoothly on any OS. 📱 Mobile Apps Development: Utilizing React Native to create seamless mobile experiences across iOS and Android platforms. 🕸️ Web Scraping: Advanced techniques for extracting data efficiently and accurately from websites, catering to your data analysis needs. 🛠️ Browser Extension Development: From idea conceptualization to development and deployment, crafting browser extensions that enhance user experience and functionality. You can say I’m one of the world’s best developers, because I can think of a 1000 solutions for a problem, as an appreciation of my abilities my teachers named me “Best Programmer in the World” and Upwork & others added me in similar lists. I choose the best of possible solutions I thought of after consulting with you and then get you’re project done fastest with quality and all the features exactly like you imagined while you also control all aspects of development. Previous Projects outcomes: 1: AccuPin hired another ”expert developer” who took 2 months of their precious time and couldn’t deliver work and I did the same work in 4 days, exactly meeting their deadlines. 2: Recently it was the same situation with another Privacy focused Brave based Browser Development client, he hired a developer and he charged him 15,000 USD and wasn’t able to deliver anything in 3 months, then he assigned the same project to me and I was able to make delivery in just 3 weeks only with all the features. 3: It was the same story with the Chromium based browser client, Kahf, only difference was Other developer had charged him 30,000 USD and couldn’t deliver anything in 6 months and he didn’t even refund but I did the same work in just a week only with all the features. I have you many more stories like that any demos of what they sent them vs what i sent them, if you want to hear/see on a Zoom call, let me know. I’m able to think outside the box and make anything possible in shortest amount of time. Do give me a chance, and I will provide you with highest Quality of work you have ever seen, fastest and cheapest as well. I’m waiting for your go-ahead, just send me a message or invite 😍
    Featured Skill Java Remote Method Invocation (Java RMI)
    Mobile App Development
    Full-Stack Development
    Front-End Development
    Flutter
    Mobile Operating System
    Computer Operating System
    Chrome OS
    Operating Systems Development
    Android
    Google Chrome Extension
    Python
    C++
    C#
    Chromium
    React Native
  • $45 hourly

    • 5.0/5
    • (21 jobs)
    ✅ ♛ TOP-RATED! ✅ ★ 4,000+ HOURS LOGGED ON UPWORK. ✅ ✓ HIGH-QUALITY PRODUCT DELIVERY✅ ☯ LONG-TERM RELATIONSHIP 🇺🇦 Hey, I'm a Full-Stack Web developer and Cloud Engineer Architect with more than 8 years of expertise and with JavaScript FullStack Tech Lead background! ⚡️ INDUSTRIES 🛠️: Real Estate, Luxury Real Estate, Multifamily, Marketing, Analytics, Dashboards, CRM, leads. ☁️ Clouds: - AWS (SQS, SNS, Lambda, RDS, ECS, ECR, CloudWatch, EventBridge, VPC, Route53, EC2) - IaC (infrastructure as a code - Terraform) 🌍 My team is distributed over POLAND 🇵🇱, ITALY 🇮🇹, ROMANIA 🇷🇴, CANADA 🇨🇦, and UKRAINE 🇺🇦. ⭐️ Modern, rich, responsive web UI development ⭐️ Server-side Development ⭐️ Mobile Development 🔥 ONE OF THE CLIENT'S FEEDBACK 🔥 "Valentyn did a great job. He jumped quickly into the project and started adding value immediately. His English level is excellent and he is able to communicate clearly. Unlike many other developers, he is able to understand both the big picture and the small details. His technical skills are top notch with a focus on writing clean, high-quality code. Highly recommended!" 💪 Technical skillset 💪 🖥 Front End/JavaScript: React, Angular 2+, Flux, Redux, Redux Saga, ES6, TypeScript, Webpack, Material UI, Telerik Kendo UI and more. 🌍 Back End: NodeJS, Next Js, ExpressJs, HapiJs, MongoDb, SQL, Redis Also .NET background - C#, .NET Core, Web API, MS SQL, Entity Framework Core, etc. 📱Mobile: Flutter, Apache Cordova/PhoneGap. ⚙️ Testing: PyTest, Selenium WebDriver, Unittest, AutoIt, NUnit Framework, Allure Report For the last couple of years, I have been involved in the development of a wide range of successful Enterprise / Business / Analytics / Custom web apps using different tech stacks. On a daily basis, I am showing myself as a reliable, acute, calm, open-minded person who sees lots of opportunities to build perfect applications for your business. Azure, Heroku, AWS, Google Cloud Platform (GCP), Amazon Web Services, Amazon SQS, AWS Lambda, AWS EC2, AWS RedShift, AWS Comprehend, Serverless, Docker, Docker swarm Lambda, API Gateway, AWS Glue, Step functions, AWS Batch, Elastic Beanstalk, Auto Scaling, S3, CloudFront, CloudFormation, Route53, CodeBuild, CodeDeploy, CodePipeline, SageMaker, IoT Azure, Heroku, AWS, Google Cloud Platform (GCP), Amazon Web Services, Amazon SQS, AWS Lambda, AWS EC2, AWS RedShift, AWS Comprehend, Serverless, Docker, Docker swarm Keywords🔑 Front-End Development Back-End Development Website Responsive Design ReactJS Next.js TypeScript HTML5 CSS3 SCSS SASS Bootstrap Material-UI Webpack Ant Design Angular JavaScript Tailwind CSS GraphQL Redux React Bootstrap Website Redesign Web Application Ecommerce Website Browser Extension Figma Performance Optimization UX/UI Design Mobile App Development MERN Stack MongoDB Express.js React.js Node.js Nest.js React IOS Android API Design SQL PostgreSQL Amazon Web Services DynamoDB S3 EC2 Expo App Center Firebase Distribution TestFlight RESTful APIs Cloud Platforms AWS Azure Websockets Charts 3D Visualization Third-Party APIs JavaScript Developer TypeScript Developer Angular Specialist NgRx Expert RxJS Developer React Developer Redux Developer Sass Expert MaterialUI Specialist Bootstrap Developer Mantine Developer Frontend Developer Backend Developer Full Stack Developer Web Development Specialist MERN Stack Developer NodeJS Developer Express.js Developer Test Engineer Stripe Integration Specialist Handlebars Developer Agenda Scheduler Developer MySQL Database Administrator PostgreSQL Database Specialist MongoDB Expert AWS Solutions Architect AWS Redshift Developer Agile Project Manager SCRUM Master Kanban Specialist Micro-Frontends Developer Feature Driven Development Specialist Behavior Driven Development Specialist MVP Development Expert Trunk Based Development Expert VSCode Expert WebStorm Expert Jenkins CI/CD Engineer CircleCI Specialist Heroku Deployment Expert DataGrip Database Specialist Studio3T MongoDB Specialist Git Expert GitHub Repository Manager Docker Containerization Expert API Developer Web App Developer Responsive Design Expert Cross-Platform Mobile Developer Third-Party APIs Integration Specialist Performance Optimization Expert Cloud Services Developer CI/CD webpack SaaS jqGrid Spine JS JavaScript Kubernetes Google Analytics Material UI PixiJS Tailwind CSS Cycle.js XML Bootstrap PSD to HTML Angular Material npm Three.js Knockout.js Vue.js Yeoman KeystoneJS Leaflet Apache Subversion Mustache Quasar Framework Git D3.js Aurelia Angular BootstrapVue Next.js Vuetify Adobe Photoshop React Bootstrap Bitbucket Content Management System HTML KickStart styled-components GitHub web design wordpress developer full stack developer front end developer web design wordpress developer full stack developer front end developer web design wordpress developer full stack developer front end developer web design wordpress developer full stack developer front end developer web de
    Featured Skill Java Remote Method Invocation (Java RMI)
    Web Design
    API
    MongoDB
    ExpressJS
    Angular
    TypeScript
    API Integration
    Web Application
    Next.js
    CSS
    HTML
    React
    JavaScript
    Node.js
    Web Development
  • $55 hourly

    • 5.0/5
    • (46 jobs)
    Hi, - I love software engineering and architecture, I care with the code as if I’m developing one of my children, I have +8 years experience which enables me to work with different platforms and technologies. - I can clearly understand, expect, and develop my client’s requirements so that I can deliver faster and come with perfect suggestions and output. - My advantages: (1) Good planning for the project (2) Excellent communication skills with clients to make sure requirements are well-achieved, (3) Delivering a well documented and clean code (4) Use of latest technologies - Tools and technologies : Back-end development: Python Django, .Net, PHP. Front-end development: React JS, Javascript. Databases: MySQL, MSSQLServer, MongoDB Cloud: Google Cloud, Amazon AWS Mobile development: React-Native, Java, Objective-C, Swift, ActionScript3 GIS-based applications: Esri js API, ArcGIS Server, ArcGIS Map
    Featured Skill Java Remote Method Invocation (Java RMI)
    SQL
    Web Application
    Jenkins
    Django
    Mobile App
    Object-Oriented Programming
    Database Development
    Git
    CI/CD
    NGINX
    Docker
    JavaScript
    Amazon Web Services
    React
    Python
    Node.js
    TypeScript
    React Native
  • $50 hourly

    • 4.9/5
    • (62 jobs)
    👋 I'm a Full Stack Developer with 9+ years of experience as a Java and PHP software engineer. Over the past 7 years, I've also focused on frontend frameworks, working extensively with Spring, Laravel, Yii, Vue, and React. Prior to that, I gained valuable experience with CMS systems like Opencart and WordPress. 🚀 I've had the opportunity to collaborate with both small and large international teams (10+ members) and have developed expertise in project management tools such as Jira, Trello, and VCS. Additionally, I'm proficient in Linux systems and CI/CD processes. Throughout my career, I've worked on high-load systems, built server-side high-capacity applications, and developed complex multi-platform user interfaces.👍 💪 My technical skill set includes: ➜ Java, Kotlin and PHP: 9+ years of experience with PHP (Laravel, Yii, Symfony, Zend) and Java (Core/EE, Vaadin, Spring ) ➜ Frontend Frameworks: Experience with Vue.js, React, Nuxt.js, Next.js, Vuetify and Cordova, specializing in creating responsive and usable interfaces. ➜ JavaScript and TypeScript: Strong skills in JavaScript and TypeScript to create dynamic and efficient applications. ➜ Backend Development: Experience with Node.js, Express.js, and AdonisJS to create scalable server-side solutions. ➜ Databases: Knowledge of MySQL, PostgreSQL, Redis, MongoDB and others, optimizing database performance. ➜ API development and integration: Extensive experience in creating and integrating RESTful and GraphQL APIs, including third-party services such as Stripe and Twilio, etc. ➜ AI Integration: Hands-on experience integrating AI-based features. ➜ DevOps and tools: Proficient in Git, Docker, Jenkins, and Jira, ensuring CI/CD and project management runs smoothly. 📌 When you choose to work with me, you’re partnering with a developer who not only understands your goals but is also dedicated to delivering outstanding solutions. I place a strong emphasis on customer satisfaction, and my commitment to engineering excellence ensures that I create value at every stage of the project.🚀
    Featured Skill Java Remote Method Invocation (Java RMI)
    Laravel
    API
    Java
    Vue.js
    JavaScript
    HTML
    ExpressJS
    Nuxt.js
    PHP
    CSS
    Vuetify
    SQL
    Node.js
    MongoDB
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