Hire the best Apache Jakarta POI developers
Check out Apache Jakarta POI developers with the skills you need for your next job.
- $40 hourly
- 5.0/5
- (27 jobs)
Hi, I'm a professional software developer with 10+ years of experience working in the software industry. I've worked on many different projects throughout my career including, enterprise scale web applications, desktop applications, databases and mobile app development. I've also spent several years working in the testing industry specialising in web and mobile automation. With my solid background of dev and test you can trust me to complete your project on time with excellent quality. Regards, Tim.Apache Jakarta POI
Desktop ApplicationWeb Application DevelopmentDatabasePerlCSSSQLC++PHPHTML5JavaJavaScriptPythonReactCPostgreSQL - $30 hourly
- 5.0/5
- (4 jobs)
I have a Bachelor Degree in Computer Science and Engineering. Experienced Technology Lead with a demonstrated history of working in the information technology and services industry. Skilled in Java/J2EE stack technologies for 14+ years. I have worked on real-time projects in diverse business domains. I have good knowledge of Software Development Life Cycle (SDLC) and Agile Methodology which helps in building โHigh-Techโ solutions for end users and results in low maintenance costs. I thrive in unfamiliar situations and enjoy opportunities to learn and gain exposure to new ideas and experiences. I am open and willing to learn whatever is necessary to accomplish my client's goals. Thank you, I look forward to working with you.Apache Jakarta POI
RESTful APISpring FrameworkRESTful ArchitectureSpring BootApache MavenJavaNeo4jMicroserviceDevOpsJ2EEAgile Project ManagementAWS ApplicationKubernetesJSONDocker - $35 hourly
- 4.9/5
- (49 jobs)
I'm Huanqing Zhu, but you can call me Fusion. I have over 10 years of experience in Java development, including 5 years focusing on Big Data Processing and Visualization using Java, Scala, JavaScript, HTML5, Apache Spark, Apache Hadoop, Apache Hive, Apache Flume, Apache Hbase, Storm, Kafka, DataX, and ECharts. Throughout my career: I've assisted employers in data ingestion from various sources such as RDBMS, NoSQL databases, and files by developing utilities on OSS platforms like DataXServer (open-source on GitHub) and Realtime Page Click Statistical System (refer to Portfolio section) as a Big Data Developer. I've played a key role in building Big Data Platforms using technologies like Hadoop, Spark, Hive, HBase, Flink, Kafka, and ElasticSearch as a Big Data Architect. I've designed and developed Web Applications, including e-commerce and Report Systems, using Java, Scala, HTML5, JavaScript, CSS, Spring, Akka, Mybatis, D3JS, ExtJS, jQuery, ReactJS, ECharts, and Bootstrap CSS as a Java & Front-end Developer. I've managed full-stack teams (Java, Front-end, QA, and Operations) effectively as a Team Leader. Furthermore, I possess extensive skills and experience in Microservice design & architecture, Container Cloud (Docker, Kubernetes), Rust, and Linux. If you're seeking a reputable and reliable professional who consistently delivers results, I'm the one for you. Thank you for visiting my profile, and I look forward to hearing from you!Apache Jakarta POI
ReactJavaJavaScriptScalaElasticsearchWeb DevelopmentDockerOpenLayersD3.jsRustSpring BootApache FlinkApache KafkaApache SparkApache Hadoop - $50 hourly
- 5.0/5
- (16 jobs)
I am a full-time QA Automation Engineer with most of my expertise in Java Selenium, Appium and Cypress and Python. I have 10 years of industry experience. I develop test automation frameworks. I do develop mobile games and android apps as a freelancer. My expertise is not just limited to one programming language.Apache Jakarta POI
Web HostingGame DevelopmentSQLCypresscPanelSelenium WebDriverC#TypeScriptPythonAppiumJavaUnityPHPAndroid - $22 hourly
- 4.5/5
- (25 jobs)
10+ Years of Full Stack & Data Expertise | MERN, MEAN, AWS, Power BI, Docker Hi, Iโm Waseem Abbas, a Top Rated Upwork freelancer with over $25k earned, 100% Job Success Score, and 10+ years of experience delivering full-stack web and mobile applications, from MVPs to enterprise solutions. โ My Core Tech Stack Includes: โข Frontend: React, Next, Angular, AngularJS, jQuery, Ajax โข Backend: Node.js, Nest, Express, PHP, Laravel, Django, ASP.NET โข Mobile Apps: React Native, Cordova, Swift, Android Native โข Databases: MongoDB, MySQL, PostgreSQL, MariaDB โข Cloud & DevOps: AWS, Google Cloud, Docker, CI/CD, Linux, Windows, Firewalls โ Data Analytics & BI Skills: โข Power BI, Power Automate, SSRS, Tableau โข Web Scraping & Data Pipelines โข SQL/T-SQL | Data Engineering | Reporting Dashboards โ Certifications: โข Microsoft Certified Data Analyst (Power BI & SQL) โข MCSA: Cloud Platform Data Analysis: PowerBi, Tabular, Power Automation, trends, and insights to inform decision-making. Web Scraping: Transform web data into valuable information with advanced scraping techniques. Data Engineering: Architect robust data pipelines for seamless data processing. Web and Mobile Apps Development: I specialize in developing Hybrid and Native web and mobile applications using a variety of technologies, ensuring seamless user experiences. From email setup and delivery to application development and code generation, I cover it all. Developed Apps: -iProsper.ca/ -novelhealth.ia/ -myportal.Spraguepest.com/ -mylogbook.spraguepest.com/ -app.vidmagnet.net -app.videvolve.net -app.socialvid.net -app.video360builder.com -master.atmtahproject.com/login โ Why Clients Choose Me: โ 10+ Years of Development & Cloud Experience โ Fast Delivery & Clean Code โ Detail-Oriented with Full Ownership Mindset โ Excellent Communication & Collaboration Skills ๐ฌ Letโs bring your project to life โ whether it's an app, dashboard, data pipeline, or cloud deployment. Message me today and letโs build something great. Github: asyncinnovations@gmail.com Thanks a million. Regards, Waseem AbbasApache Jakarta POI
NodeJS FrameworkReact NativeUX & UIFlutteriOS DevelopmentSaaSASP.NETLaravelVue.jsDjangoNode.jsReactAngularAngularJSMySQL - $15 hourly
- 5.0/5
- (18 jobs)
๐ Profile Summary: I am a passionate Software Engineer currently immersed in the world of Java Spring-Boot, Python Django, and Node.js REST frameworks. With a strong foundation in both development and deployment, I bring a wealth of hands-on experience to the table. ๐ ๏ธ Key Expertise: 1๏ธโฃ Designing Database Structures 2๏ธโฃ Writing Clean Code 3๏ธโฃ Crafting Complex RESTful APIs 4๏ธโฃ CI/CD using Jenkins 5๏ธโฃ SLF4J Logging 6๏ธโฃ Lombok 7๏ธโฃ PostgreSQL 8๏ธโฃ MongoDB 9๏ธโฃ GitHub Version Control ๐ VPS Deployment & GitHub Actions ๐ก Additional Information: I thrive on challenges and take pride in delivering elegant solutions. My focus on clean code ensures maintainability and scalability, while my expertise in CI/CD streamlines the deployment process. With a keen eye for detail and a commitment to continuous learning, I am dedicated to driving innovation and excellence in every project I undertake. Let's collaborate and elevate your next endeavor together! ๐Apache Jakarta POI
Spring FrameworkDjangoSpring BootSoftware DevelopmentC++Web ApplicationProduct DevelopmentJava - $45 hourly
- 4.9/5
- (11 jobs)
Hello๐ 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: ๐ Java developers with transparent knowledge for transparent rates ๐ 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 โ I have an experience in the following: ๐ migration from on prem to AWS ๐ building microservce architecture from scratch ๐ delivering robust and high-quality code with unit tests ๐ building java high-load and distributed applications ๐ migration from monolith to microservices ๐ building the right engineering culture inside the company ๐ mentoring technical leaders Tech Stack: ๐น Languages: Java 8, Java 16, Groovy. Spring boot, RESTful API, DB design, ๐ธ Frameworks: Spring, Spring Boot, Hibernate, Spring Data ๐น Clouds: AWS ๐ธ SQL: PostgreSQL, MariaDB, Oracle ๐น NoSQL: Elasticsearch, Redis, MongoDB, Cassandra, DynamoDB ๐ธ Message brockers: Apache Kafka or RabbitMQ ๐น Testing: Junit5, Testcontainers, Spock, RestAssured We have expertise in the following fields: โ FinTech, โ Trading, โ Cryptocurrency, โ Banking, โ Data processing, โ Healthcare, โ 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.Apache Jakarta POI
Amazon Web ServicesMySQLMongoDBSpring BootKubernetesRabbitMQRESTful APIElasticsearchDockerHibernateSpring FrameworkJavaSQLApache Kafka - $20 hourly
- 4.9/5
- (11 jobs)
I have been doing large scale website scraping since 2016 so I know every loopholes and tricks to scrape almost every websites out there, small or big. I like challenges so feel free to invite and test me. I'm a full time Data Mining engineer, I have 7 years of experience in web scraping, data mining, data extraction and API integrations, through working on a wide range of projects. I've developed and maintained scraping engines that extract data from over 800 different websites with 20 million data point every single day. I only accept a contract if I'm 100% sure I can finish the project. So you dont need to worry about getting your time wasted with half done works. โ Scraping tools: Python, Django, Requests, Selenium, Scrapy, BeautifulSoap โ Deliverables: Excel, CSV, JSON, XML, MySQL, MongoDB, SQLite โ AWS: EC2, RDS, S3, Lambda โ Google Cloud: Cloud function, BigQuery, CloudSQL, Compute Engine (cloud server) Scraping methods: ๐ Proxy to prevent IP ban ๐ Multi-threading to speed up the scraping process ๐ Cookie injection to access websites that requires authentication. ๐ Plus lots of web scraping tips and tricks that I have learnt over the past 7 yearsApache Jakarta POI
SeleniumHTML5Data ScrapingWeb CrawlingCSS 3MySQLApache POIDjangoPython - $50 hourly
- 5.0/5
- (120 jobs)
My name is Saul Hidalgo, a Computer Engineer with a passion for developing Java and .Net software. I have been fortunate to work with exceptional teams and have had the opportunity to contribute to various sectors, including National Security/Defense in the United Kingdom, Oil companies, and Universities such as Harvard Business Publishing. The software I have created is currently being successfully utilized by these organizations. I thrive on new challenges and continuously seek opportunities to expand my skills. You can explore my public contributions on my GitHub account: saulhidalgoaular. Below are my areas of expertise and skills: 1. Code Translation and Conversion: - Proficient in translating code across various languages, with expertise in Python, Java, Delphi, C++, and C#. 2. Document Management System (DMS) - OpenKM: - Extensive experience in developing workflows, automations, cron tasks, and integrations using the Java/PHP API. - Configuration of daily backups. - Skilled in utilizing OpenKM as a DMS. 3. Algorithms and Programming: - Strong command over algorithms and programming skills, particularly in C/C++ and Java. - In-depth knowledge of data structures, strings, sorting, arithmetic and algebra, combinatorics, number theory, backtracking, graph traversal, algorithms for graphs, dynamic programming, and computational geometry. 4. Accounting: - Well-versed in managing material movement between stores and shops. - Proficient in handling retail-related accounting tasks. 5. Point of Sale (POS) Area: - Experience in integrating POS software with label printers, fiscal printers, barcode readers, fingerprint scanners, and keyboards.Apache Jakarta POI
Core JavaMicrosoft ExcelDocument Management SystemAPIAlgorithm DevelopmentData StructuresAPI DevelopmentHibernateObject-Oriented ProgrammingJava.NET FrameworkMySQLDesktop ApplicationC++ - $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: โ CI/CD โ Docker โ Jenkins โ DevSecOps โ Amazon Web Services (AWS): EC2, ECS, S3, IAM, Lambda, Route 53, CloudFront, CloudFormation, RDS, etc; โ Automated Tests โ Architecture Solutions โ Terraform โ Kubernetes โ Ansible โ Apache, Tomcat and Nginx โ Git/SVN โ Linux (Ubuntu/RedHat/CentOS) โ Bash Script โ Powershell โ SQL/ NoSQL โ Programming Languages (Python, Java, PHP, NodeJS, Ruby) โ Expert Level ability with Server Administration in Linux & Windows environment, including designing a well architected framework for applications and infrastructure. โ Extensive Experience in Hybrid Migrations, replatforming or reArchitecting cloud solutions. โ Excellent in Devops integrating CICD to an Infrastructure build, deploy or operate with core IAAC skills(Terraform, Cloudformation, Ansible, cloud watch, Jenkins, etc.) ๐ WHY ME ? ๐ I stay Highly motivated, dedicated and results oriented ensuring client satisfaction & success delivered professionally. ๐๐ผโโ๏ธI 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!Apache Jakarta POI
Google Cloud PlatformGolangAPI IntegrationAPIAWS CloudFormationPythonPHPJavaScriptAmazon ECSLaravelAzure DevOpsDevOps EngineeringDevOpsAmazon Web Services - $20 hourly
- 4.9/5
- (1 job)
Java Developer | Spring Boot | Spring Security | Hibernate | MySQL | MongoDB ๐ Assalam o Alaikum! ๐ I'm a Java Developer with over 2 years of hands-on experience in the tech industry. My journey spans from working with legacy applications like Northstar (a club management app) to developing modern applications with cutting-edge tech like NayaPay (a fintech solution). My experience covers both classic tech stacks and the latest Java frameworks, so I bring versatility and depth to every project. ๐จโ๐ป What Sets Me Apart? In addition to my corporate work, I've collaborated with various clients, delivering quality work with a focus on timely completion, effective communication, and strong project management skills. My attention to detail helps me thoroughly understand your requirements and turn them into results that truly deliver. ๐ง Troubleshooting & Debugging Crafting the perfect solution is only part of the process. I also prioritize bug fixing and post-deployment troubleshooting to ensure smooth operations. With significant experience in debugging and working alongside Application Support Teams, Iโm committed to keeping your application running flawlessly. ๐ Maintaining & Enhancing Existing Applications As an experienced developer, I always consider scalability and maintainability when working on any application. I thrive in both small and large team settings, collaborating with cross-functional teams to align with your business needs. ๐ Building Your Solution from Scratch Starting an application from the ground up is a thrilling challenge! Iโm ready to help lay a solid foundation for your application, combining my technical expertise with strong communication and project management skills to bring your vision to life. Iโm here to discuss your business requirements whenever youโre ready. ๐ก Your ideas, my expertise โ a perfect match for success. Letโs get started today! ๐Apache Jakarta POI
OAuthSpring SecuritySpring BootApache Struts 2Apache StrutsJ2EEJ2SESpring DataHibernateJava Servlet APISpring MVCJava Persistence APIRESTful APISpring FrameworkJava - $35 hourly
- 4.0/5
- (164 jobs)
I am a graduate of Bachelor of computer science/bachelor of engineering(computer systems) from ECU (Edith Cowan University) in Perth,Western Australia.I have been studying about computers since 2012. I can work in any programming language easily and can build websites and web applications. Ask me for any problem in computer science and i will solve it. So basically anything regarding computer goes fine with me.I am studying about machine learning/artificial intelligence apart from just focusing on languages and algorithms. But my learning is not limited to just my bachelors as i am also an artist who makes sketches and paintings. My life goal is to become a researcher in computer science that's all i know for now about my future. My range of development services include creating web application , website , desktop applications , mobile applications , windows software , android software etc. I have worked with many clients. I'm working professionally with Visual Studio , Dream viewer , neat beans and android studio . I will work with you to discover what you need and create the best solution. My priorities are quality and respect of deadlines and budget. I love to share my enthusiasm and passion for development, so feel free to contact me and let's get the conversation started. Regards Syed Kazim RazaApache Jakarta POI
FlutterNode.jsJavaScriptReactSwiftDjango.NET FrameworkASP.NET MVCPythonKotlinC#C++Spring BootPHPJava - $25 hourly
- 5.0/5
- (29 jobs)
๐ฏ Liferay DXP 7.4 Certified Professional Back-End Developer โ 10 Years on Liferay Platform ๐ 100% Job Completion | Top Rated on Upwork | 7500+ Hours on Upwork I have 10 years of expertise in Software Development, Solution Architecture, and Product Design, with a strong focus on Liferay and Spring technology. ๐ผ ๐๐๐๐ก๐ง๐ข๐๐๐ฅ ๐๐ค๐ข๐ฅ๐ฅ : ๐๐จ๐ซ๐ : Java, J2EE, Liferay(6.X/7.X), Spring Boot, JSF, PrimeFaces,Icefaces, Richfaces, FHIR, ABDM, SNOMED-CT,REST, SOAP web services ๐ ๐ซ๐จ๐ง๐ญ-๐๐ง๐ : AngularJS, ReactJS, HTML4/5, XHTML, XML, CSS3, jQuery, JavaScript, AJAX ๐๐๐ซ๐ฏ๐๐ซ๐ฌ : Tomcat, JBoss/Wildfly and Jetty, GlassFish ๐๐๐๐ฎ๐ซ๐ข๐ญ๐ฒ : Spring Security, OAuth2, JWT ๐๐๐ญ๐๐๐๐ฌ๐ : SQL, MySQL, PostgreSQL, MongoDB and Oracle ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ : Gmail, Google Meet, Google Calendar, Zoom, RazorPay, Stripe, SMTP, Twilio, DocuSign, Google Maps API, PayPal ๐๐๐๐ฅ๐ญ๐ก๐๐๐ซ๐ ๐๐ญ๐๐ง๐๐๐ซ๐ : FHIR | EHR | EMR | SNOMED | HL7 | OpenEHR | OpenEMR | ABDM ๐๐๐๐ซ๐๐ก-๐๐ง๐ ๐ข๐ง๐๐ฌ : Apache Solr, Elastic Search ๐๐ฅ๐จ๐ฎ๐ ๐๐ง๐ ๐๐๐ฏ๐จ๐ฉ๐ฌ : AWS, Google Cloud, Azure, Jenkins, CICD, Docker, Kubernetes ๐๐๐ฌ๐ญ๐ข๐ง๐ : JTest, JUnit, Mockito and Powermock ๐๐จ๐๐ ๐๐ฎ๐๐ฅ๐ข๐ญ๐ฒ ๐๐จ๐จ๐ฅ๐ฌ : Crucible and Sonarqube ๐๐ฎ๐ข๐ฅ๐ ๐ญ๐จ๐จ๐ฅ๐ฌ : Maven, Gradle, Ant, npm, grunt and webpack ๐๐๐ : SVN, GIT, GITLAB, Bitbucket ๐๐ : Linux, Windows and Mac OS ๐๐ฎ๐ /๐๐ฌ๐ฌ๐ฎ๐ ๐ญ๐ซ๐๐๐ค๐๐ซ๐ฌ : Jira, asana, Trello ๐๐๐ข๐๐๐ซ๐๐ฒ ๐๐ฑ๐ฉ๐๐ซ๐ญ๐ข๐ฌ๐ : โ Expert in almost all OOTB features [ Sites, Pages, Webcontents, Fragments, Layouts, Asset Publishers, Categories, Tags, Search, Workflows, User Management, Roles, Permission, User Groups ] โ Implemented Custom Portlets [ using MVC, React, Spring, JSF, service builder and standards like OSGI, JSR 168 and 268 ] โ Implemented REST API using Liferay Rest builder โ Implemented themes [ using Freemarker, velocity ], โ Customized Liferay [ using Service wrapper, Portlet filter, Lifecycle events, Model listeners, Search contributors, JSP, Core Classes ] โ Implemented Web Fragment [ Freemarker, HTML, CSS, Javascript ] โ Implemented SSO Integration supports SAML, Keycloak, LDAP, OpenId, OAuth, and more โ Implemented SMS and WhatsApp Integration using Twilio โ Implemented Third-Party integration using REST API or client SDK โ I have recently upgraded Liferay 7.0 to Liferay 7.4 including data and code migration both. Looking forward to working with you to develop and deliver a fantastic product and Solutions as per your Business Requirements.Apache Jakarta POI
LiferayWeb DevelopmentHTMLCSSBootstrapReactMySQLSpring BootSpring FrameworkPrimeFacesSpring SecurityJavaHibernateJakarta Server Faces - $30 hourly
- 5.0/5
- (4 jobs)
๐Senior Full Stack Developer ๐8+ years of professional development experience ๐30+ successfully implemented projects โ projects from scratch โ maintaining work with existing project and platform โฐ Available for over 30 hours per week ๐ค Open to a long-term collaboration Hello! Iโm experienced backend Laravel PHP developer with a wealth of experience working on diverse projects , including seamless integrations with Laravel Vue .js and React . I specialize in identifying challenges and designing comprehensive full stack solutions to meet specific project goals . Whether collaborating with a team or working independently , I focus on delivering high-quality , results-oriented digital products customized to your needs Front-End Development โ Vue.js | Vuex | Nuxt.js | Vuetify โ React.js | Redux | React Native | React TypeScript โ JavaScript | TypeScript โ HTML5 | CSS3 | SCSS | Bootstrap โ jQuery | AJAX โ Adaptive Web Design Back-End Development โ Laravel | Laravel Livewire | Full Stack Laravel โ PHP Laravel | Core PHP | Custom PHP | PHP Script โ Yii | Yii2 | CodeIgniter | Symfony 4 | Laminas โ Backend Nodejs | Express.js | Java Backend engineer โ PHP MySQL | PostgreSQL | MongoDB | Microsoft SQL Server | SQLite โ API Development | RESTful API | GraphQL CMS & E-commerce โ Familiar with: WordPress developer | WooCommerce | PHP WordPress โ Shopify | Full stack web developer | ERP Development | CRM Customization Cloud & DevOps โ AWS Integration | Amazon Web Services โ Docker | Continuous Integration โ Apache Server | Vtiger | Shopware Software & Tools โ MadCap Flare | Affinity Designer โ Database Architecture & Administration โ ETL | Transact-SQL | Oracle Database Roles & Specializations โ Full stack developer php | Back-End Developer | Front-End Developer โ PHP Laravel Developer | Vue Developer | React Developer | Flutter Laravel PHP Developer | PHP React โ Senior PHP Developer | Senior Backend developer Node.js โ Familiar with: Python Full stack developer | Full stack developer ai Industries I Worked With โ E-commerce โ Healthcare โ Real Estate โ AI & ChatGPT Integration โ Social Media โ Sales & Digital Marketing โ Education & Legal โ๏ธ Iโd be happy to learn more about your project and ideas. Reach out today to schedule a quick meeting to discuss how I can assist you!Apache Jakarta POI
Web DesignFull-Stack DevelopmentHTMLWeb ApplicationWeb DevelopmentJavaScriptSQLWeb ServiceMongoDBMySQLRESTful APIDatabaseAPILaravelPHP - $50 hourly
- 5.0/5
- (1 job)
โ โ TOP-RATED PLUS! โ โ HIGH-QUALITY PRODUCT DELIVERYโ โฏ LONG-TERM RELATIONSHIP ๐บ๐ฆ Hey, I'm Ukrainian, I'm in a safe place and have the ability for non-stop work! โก๏ธ ๐ Our team is distributed over POLAND ๐ต๐ฑ, ITALY ๐ฎ๐น, ROMANIA ๐ท๐ด, CANADA ๐จ๐ฆ, and UKRAINE ๐บ๐ฆ. I am a Full Stack Engineer at InterCode company with 10 years of experience in the industry! ๐จโ๐ป๐จโ๐ฉโ๐งโ๐ฆ ๐ฅTechnical Skillset: ๐ฅ Programming Languages / Technologies: .NET 7 / JavaScript / TypeScript / HTML/ CSS, C# / ASP.NET Core / Web Services and APIs / Microservices / Kafka / XML / JSON / JWT ๐ RDBMS MS SQL / Postgres / Oracle / SSRS, PowerBI and Tableau Server / CDC and ETL ๐จโ๐ฉโ๐งโ๐ฆ Methodologies Agile, SCRUM, Kanban / TDD / Shift-Left / Feature Driven Development โ๏ธ 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. Keywords๐ 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/CDApache Jakarta POI
Web DesignAPI.NET FrameworkASP.NET CoreASP.NET MVCASP.NETC#CSSAngularAPI IntegrationWeb ApplicationHTMLReactJavaScriptWeb Development - $49 hourly
- 5.0/5
- (24 jobs)
Are you looking for a Professional Magento and Shopware Developer? With 13 years of experience in Magento technology and 7 years of experience in Shopware technology, I have successfully done more than 100 projects and helped businesses build high-performing online stores. As a Certified Magento Developer and Certified Shopware Developer, I specialize in delivering tailored solutions to meet your unique eCommerce needs. Progressive Web Apps (PWA), Shopware, Hyvรค, and moreโIโm the perfect fit to bring your eCommerce dreams into reality. ๐ช ๐ฉ My goal is to understand your unique needs and develop custom solutions so that you get a product exactly tailored to what you envisioned. โ๏ธ Hereโs a list of the services I provide: ๐ธ Magento and Shopware Development & Customization ๐ธ Progressive Web Apps (PWA) Development ๐ธ Hyvรค CMS Management & Customization ๐ธ Performance and Speed Optimization ๐ธ Theme migration from Luma, Porto to Hyvรค ๐ธ UI/UX Design & Implementation ๐ธ Cross-Platform Compatibility Testing and Optimization ๐ธ Payment Gateway Integration & Maintenance ๐ธ Database Management & Security Setup ๐ธ SEO Analysis, Enhancement, and Monitoring ๐ My experience includes: - Developing custom modules specifically designed for Magento 2 websites. - Integrating payment gateways such as PayPal and Stripe. - Building custom Shopware websites from the ground up. - Integrating external APIs and optimizing storefront performance. Moreover, my portfolio showcases a wide range of projects utilizing technologies such as HTML5, CSS3, JavaScript, MySQL, and more. ๐ข Contact me today to discuss how we can work together to create an eCommerce experience that exceeds your expectations! ------------------------------------------------------------------------------------------------------------------------ - Web Development - Magento - PHP - Magento 2 - Web Design - Ecommerce Website Development - Shopify - JavaScript - HTML - WordPress - WooCommerce - CSS - Ecommerce Website - MySQL - API Integration - API - Shopware - Graphic Design - HTML5 - App Development - Search Engine OptimizationApache Jakarta POI
Graphic DesignWeb DesignEcommerce Website DevelopmentShopwareMagento 2MagentoHTML5MySQLCSSHTMLJavaScriptPHPWeb DevelopmentAPI IntegrationEcommerce Website - $35 hourly
- 5.0/5
- (9 jobs)
I'm Syed Sohaib, a results-driven Growth Architect and Google Ads Specialist with over 15 years of experience in digital marketing. I help businesses achieve explosive growth by crafting data-driven strategies and executing high-performing Google Ads campaigns. My expertise encompasses SEO, ASO, web & mobile app development, and content creation, allowing me to deliver comprehensive digital solutions. What I Can Do For You: Google Ads Mastery: I create and manage targeted Google Ads campaigns that generate qualified leads and drive conversions. Data-Driven Optimization: I utilize data analytics to ensure your campaigns deliver maximum ROI and adjust strategies for continuous improvement. Comprehensive Digital Strategy: I combine best practices in SEO, ASO, web & mobile app development, and engaging content creation to boost your digital presence across all channels. Clear Communication: I prioritize clear communication throughout the project, keeping you informed and involved at every stage. Why Choose Me? Proven Track Record: Over 20 years of experience and a successful portfolio of completed projects demonstrate my effectiveness. Google Ads Certified: My in-depth knowledge of Google Ads platforms and best practices ensures your campaigns are optimized for success. Data-Driven Approach: I make decisions based on data analytics, not guesswork, to deliver measurable results. Ready to Launch Your Growth Trajectory? Let's chat about your unique business goals and create a customized digital strategy that propels your growth. Contact me today! Check out my work history, ratings and reviews for your assurance.Apache Jakarta POI
Microsoft AdsApple Search AdsGoogle Ads Account SetupGoogle Ads AuditGoogle Ads Account ManagementDigital MarketingPay Per Click AdvertisingNodeJS FrameworkLaraveliOSPPC Campaign Setup & ManagementAndroid App DevelopmentAngularJSGoogle Ads - $30 hourly
- 5.0/5
- (2 jobs)
๐๐ญ๐ฅ๐จ๐๐ค๐๐ก๐๐ข๐ง ๐๐ ๐ฝ๐ฒ๐ฟ๐ ๐ฅ๐ด+ years of ๐บ๐ถ๐ณ๐ฐ๐ซ experience Are you looking for an expert ๐ ๐ฎ๐ฅ๐ฅ ๐๐ญ๐๐๐ค ๐๐น๐ผ๐ฐ๐ธ๐ฐ๐ต๐ฎ๐ถ๐ป ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ to bring your ideas to life? Look no further! ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ: โ Custom Blockchain Development โ Smart Contract Development โ Blockchain Platform Selection โ DApp Development โ NFT Development โ Crypto Exchange Development โ Token Development (ERC, SPL, TRC, BEP, etc.) โ DeFi Solutions Development โ Web3 Solutions Development โ Enterprise Blockchain Solutions โ Crypto Bot Development โ STO/ICO/IDO/IEO/IGO/INO Development โ Industrial Blockchain Solutions โ MVP and PoC Development ๐ง๐ฒ๐ฐ๐ต๐ป๐ผ๐น๐ผ๐ด๐ ๐ฆ๐๐ฎ๐ฐ๐ธ & ๐๐ผ๐ผ๐น๐: โ ๐๐น๐ผ๐ฐ๐ธ๐ฐ๐ต๐ฎ๐ถ๐ป ๐ฃ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ๐: Ethereum, Hyperledger, Solana, Binance Smart Chain, Stellar, Tron, Polygon, Algorand and more โ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ ๐ง๐ผ๐ผ๐น๐: Next.js, Git, Figma, Jira, Trello, Scrum, Cloud flare, Azure, Visual Studio Code โ ๐๐ฟ๐ผ๐ป๐-๐ฒ๐ป๐ฑ: React.js, Next, JavaScript (ES6), TypeScript, Angular, Vue.js โ ๐๐ฎ๐ฐ๐ธ-๐ฒ๐ป๐ฑ ๐ง๐ฒ๐ฐ๐ต๐ป๐ผ๐น๐ผ๐ด๐ถ๐ฒ๐: Node.js, Express.js, Nest.js, PHP Laravel, Firebase. โ ๐๐น๐ผ๐ฐ๐ธ๐ฐ๐ต๐ฎ๐ถ๐ป: Bit-coin, Ethereum ,EOS, Hyperledger, Substrate, NFT, Solidity, erc20/DeFi, erc721/NFT. โ ๐๐: MySQL, Mongo DB ๐ ๐ฆ๐ฝ๐ฒ๐ฐ๐ถ๐ฎ๐น๐ถ๐๐ฒ๐ฑ ๐๐น๐ผ๐ฐ๐ธ๐ฐ๐ต๐ฎ๐ถ๐ป ๐ฆ๐ฒ๐ฟ๐๐ถ๐ฐ๐ฒ๐: โ NFT Marketplace Development โ Smart Contract Audits & Deployment โ Decentralized Finance (DeFi) Solutions โ Crypto Exchange Development โ Wallet Integration & Web3 Functionalities Iโve successfully delivered tailored solutions for startups and enterprises alike. My approach combines cutting-edge technology with a deep understanding of client needs, ensuring a smooth development process from concept to deployment. Letโs build the future of blockchain together. Iโm eager to hear more about your project. Feel free to contact me today! Best regards, ๐ฆ๐๐ฒ๐ฑ ๐ ๐๐๐๐ฎ๐ณ๐ฎ ๐๐ฎ๐ถ๐ฑ๐ฒ๐ฟApache Jakarta POI
SolanaUniswapBlockchainERC-20PHP ScriptERC-721Web3RippleAgile Software DevelopmentGitHubRESTful APIDatabase ArchitectureMongoDBMySQLNode.js - $150 hourly
- 5.0/5
- (62 jobs)
I am a seasoned developer with over 15 years of expertise in Python, Language Models (LLMs), Generative AI, databases, and cloud development. My passion lies in harnessing emerging technologies, particularly in OpenAI software development, to create impactful and innovative solutions. As an enthusiastic advocate for OpenAI, I stay abreast of the latest advancements in artificial intelligence and machine learning. I specialize in utilizing cutting-edge models like OpenAI's GPT-4 and Meta's LLaMA LLM to build intelligent applications seamlessly tailored to project requirements. I bring extensive experience working across major public cloud platforms, including AWS, Azure, and Google Cloud. My LLM projects often leverage OpenAI APIs or Amazon Bedrock, utilizing pre-trained models or fine-tuning custom datasets with SageMakerโs GPU-optimized distributed accelerators on HyperPods. A strong communicator, I prioritize transparency and efficiency, ensuring projects are delivered on time and within budget. With a proven ability to transform complex concepts into profitable business applications, I consistently deliver high-quality, scalable solutions that align with organizational goals. My technical skillset encompasses Python, Snowflake, ChatGPT, a variety of databases (MS SQL, MySQL, Oracle, PostgreSQL), Redshift, Databricks, API design, Salesforce integration, Kafka/Redis messaging, data scraping, and automation. I also hold deep expertise in cloud infrastructure design, management, and optimization across AWS, Google Cloud, and Azure. As an AWS Certified Solutions Architect, I deliver robust, scalable, and secure software architectures. Additionally, I am proficient in a range of DevOps tools, including GitHub, Jenkins, Docker, Kubernetes, Terraform, and CI/CD pipelines. My database expertise extends to Snowflake, AWS Redshift, AWS Glue ETL, Google BigQuery, and SQLAlchemy, enabling me to drive data-centric projects with precision and scalability. My specialization includes Generative AI, RAG-based AI system (Retrieval Augmented Generation), Prompt Engineering, Large Language Models (LLMs), Danswer, Chatbots, and Q&A. My expertise in web scraping, utilizing tools like Selenium, Scrapy, Puppeteer, and API scraping, extends to platforms like LinkedIn, SalesNavigator, Twitter, Facebook, Instagram, and e-commerce sites including Amazon, Walmart, and Alibaba. I have successfully scraped complex websites, including but not limited to Amazon, Walmart, Target, Kroger, Home Depot, Zillow, Realtor, Redfin, TruePeopleSearch, Menards, Ace Hardware, Wayfair, Best Buy, and Lowe's. Experience in micro-service architecture, distributed systems integration, machine learning, data scraping pipeline, automation of complex manual tasks, and finance-related data analysis further strengthens my capabilities. AI and NLP: OpenAI, LLM Agents, LLM Summarization, LangChain DevOps Tools: GitHub, Jenkins, Docker, Kubernetes, Terraform, Slack Cloud Platforms: AWS (Certified Solution Architect Associate), Google Cloud, Azure Database Technologies: Snowflake, AWS Redshift, AWS Glue ETL, Google Bigdata, SqlAlchemy Automation: Scripting (Python, Shell), TerraformApache Jakarta POI
Selenium WebDriverKubernetesCeleryBig DataAmazon EC2APIGoogle Cloud PlatformAWS LambdaAmazon DynamoDBDatabase DesignMicrosoft AzureAWS GlueChatGPTPythonSQL - $41 hourly
- 5.0/5
- (11 jobs)
!!! Bring value to your business. It is my primary objective !!! I specialize in developing custom Front End & Back End solutions that meet the unique needs of businesses. My expertise allows me to create efficient, scalable, and secure solutions. Including developing custom modules and extensions, integrating third-party services, and optimizing performance to improve page load times and increase conversion rates. I help businesses bring their ideas to life by combining intuitive UI/UX design, solid front-end performance, and robust back-end architecture. Whether itโs crafting a responsive website, creating a sleek mobile app, or engineering a complex SaaS solution, Iโve got the skills and experience to deliver top-quality results. โ Why Work With Me? * Full-Stack Expertise: I bridge the gap between front-end and back-end seamlessly. You donโt need separate developers โ I cover it all. * Client-Focused Approach: Your goals are my priority. I listen, collaborate, and ensure we achieve results that exceed your expectations. * High-Quality Code: Clean, well-documented, and scalable code that saves time and money on maintenance. * On-Time Delivery: Timely communication and transparent project management, ensuring we meet every deadline. * Problem Solver: Iโm not just a coder; Iโm a solution-oriented developer who identifies challenges and solves them creatively. ๐ My Tech Stack - Front-End Development Languages: HTML5, CSS3, JavaScript (ES6+), TypeScript Libraries/Frameworks: React.js, Vue.js, Next.js, Angular UI/UX Tools: Tailwind CSS, Mantine, Material UI, Bootstrap, Chakra UI, Figma-to-code implementation - Mobile Development: React Native, Flutter for cross-platform apps Performance Optimization: Lighthouse reports, lazy loading, responsive design - Back-End Development Languages: Node.js, Python, PHP Frameworks: Express.js, NestJS, Django, Flask, Laravel - Databases: MongoDB, PostgreSQL, MySQL, Firebase, SQLite APIs: RESTful APIs, GraphQL, third-party API integration - DevOps: Docker, CI/CD pipelines, AWS (S3, EC2, RDS), Heroku, Netlify Authentication: OAuth, JWT, Passport.js, Firebase Auth - Full-Stack Tools Git/GitHub, Jira, Trello, VS Code, Postman, Swagger, Webpack Cloud Platforms: AWS, Google Cloud, Vercel ๐ Key Services I Provide Custom Web Development: From simple landing pages to complex web applications. Mobile App Development: Building fast, responsive, and cross-platform mobile applications. Full-Stack Development: Complete end-to-end solutions tailored to your business. UI/UX Development: Creating stunning, user-friendly interfaces that convert visitors into customers. API Development & Integration: Building secure, scalable APIs and integrating third-party services seamlessly. Performance Optimization: Ensuring your website or app runs fast, smooth, and is SEO-friendly. Maintenance & Support: Ongoing improvements, bug fixes, and feature updates. ๐ Past Projects & Achievements Here are a few highlights of the types of projects Iโve successfully delivered: E-Commerce Platforms: Developed full-featured e-commerce stores with custom dashboards, payment gateway integrations (Stripe, PayPal), and advanced search/filter functionalities. SaaS Applications: Built scalable SaaS platforms handling thousands of users, featuring advanced authentication, billing systems, and performance monitoring. Cross-Platform Mobile Apps: Created apps for businesses, including booking systems, delivery apps, and social platforms, ensuring smooth functionality on iOS and Android. Content Management Systems: Developed custom CMS solutions for blogs, news sites, and portfolio platforms. Fintech Tools: Built secure and user-friendly fintech apps, including dashboards for budgeting, invoicing, and payment processing. Landing Pages: Crafted responsive, SEO-optimized, and high-conversion pages tailored for marketing campaigns. ๐ฅ What My Clients Say โWorking with Serhii was a fantastic experience. He delivered exactly what we needed, on time, and the final product exceeded expectations!โ โReliable, knowledgeable, and great communication throughout the project. Highly recommended for full-stack development work.โ ๐ Letโs Build Something Great Together If youโre looking for a reliable full-stack developer who understands both the technical and business side of a project, Iโm here to help. I thrive on solving problems and delivering software solutions that drive growth for your business. โจ Letโs discuss your project and take it to the next level! Feel free to reach out with any questions, ideas, or goals you have in mind. Iโm ready to get started! ๐ Available for Full-Time, Part-Time, or Project-Based Work Letโs connect and turn your ideas into reality. Click the "Hire Me" button to get started!Apache Jakarta POI
DevOps EngineeringFront-End DevelopmentBack-End DevelopmentMobile App DevelopmentFull-Stack DevelopmentWeb DevelopmentMicrosoft AzureGolangSQLDevOpsFlaskAWS CodePipelineDjangoElasticsearchEcommerce Website Development - $35 hourly
- 4.9/5
- (132 jobs)
โ Senior PHP Developer with 12 Years of Experience in Full-Stack Development โ Opencart, Magento, Sylius, Symfony, Laravel ๐ Overview As a seasoned Full-Stack Developer with over 11 years of hands-on experience in PHP development, I have honed my skills across various frameworks and technologies. I specialize in delivering end-to-end solutions for both front-end and back-end development, with a strong focus on e-commerce platforms. My extensive technical expertise and passion for high-quality, scalable development make me an ideal partner for projects requiring advanced problem-solving and innovative solutions. ๐ Core Competencies and Expertise ๐ PHP Development 11+ years of experience in front-end and back-end development with PHP Strong understanding of Object-Oriented Programming (OOP) principles Expertise in PHP Unit and functional testing for high-quality code ๐ Frameworks & Platforms 10+ years of experience in OpenCart development 8+ years in Laravel framework 7+ years in Symfony 5+ years with Magento Experience with Yii 2 and building custom PHP projects ๐ Frontend Development 5 years of experience in Vue.js development Strong command of HTML5, CSS, JavaScript, and frameworks like Bootstrap Proficiency with jQuery, Vuex, Axios, AJAX, and fetch Experience in TypeScript, Angular, and React ๐ Mobile Development 3 years of experience with Flutter (Dart) ๐ Database Management In-depth knowledge of SQL and experience with MySQL Experience with Redis, Firebase, MongoDB, and Elasticsearch ๐ Additional Technologies Proficiency in Spring Boot (Java) Expertise in REST API development and MVC architecture Skilled in Docker, Socket.io, and Git for collaborative development Hands-on experience with SOLID principles, RabbitMQ, and Linux environments Familiarity with PHPStan, Xdebug, Swagger/OpenAPI ๐ Professional Approach I am dedicated to staying at the forefront of the latest trends and technologies. My deep knowledge of multiple frameworks allows me to quickly adapt to new environments and deliver top-notch, scalable solutions. Whether it's e-commerce development, custom PHP projects, or mobile applications, I provide comprehensive solutions tailored to each client's unique requirements. ๐ง Let's Collaborate If you're seeking a reliable and experienced full-stack developer to take your project to the next level, I'm ready to help. Let's connect to discuss your needs and how I can contribute to your team or project. Specializations: E-commerce Development | Laravel Developer | OpenCart Developer | Symfony Expert | Magento Developer | Vue.js Developer | Full Stack Developer | PHP Developer | API Integration | Web Design | JavaScript Developer | Next.js Developer | Web Developer | Front-End Developer | PHP Developer | Back-End Developer | E-Commerce ExpertApache Jakarta POI
Elearning LMS ConsultingAmazon Web ServicesSoftware Architecture & DesignPayment Gateway IntegrationCustom PHPWeb ApplicationRESTful APIPostgreSQLMongoDBApache HTTP ServerWebsocketsEcommerce Website DevelopmentVue.jsLaravelPHP - $55 hourly
- 3.5/5
- (56 jobs)
Hello! I am an accomplished Full Stack Developer with over 7 years of expertise in crafting cutting-edge web and mobile applications. My journey began as a back-end developer, and I have since mastered the art of developing robust web and mobile apps that deliver seamless user experiences. I have a strong command on following technologies and tools: โReact Native, Flutter for mobile app excellence โKotlin, Swift for dynamic mobile experiences โREST API & Redux ecosystem for efficient data flow โFirebase for scalable and real-time applications โJest for rigorous testing โNODE JS, NEST JS for powerful backend development โPython, Django for versatile scripting โMySQL, MongoDB, Redis, Elasticsearch for robust data management โDocker, Vagrant for seamless deployment โNginx, Haproxy for optimized performance โVarious AWS services for scalable cloud solutions โGit, GitHub, Bitbucket for streamlined version control โStrong HTML & CSS skills for pixel-perfect designs โPHP, Laravel, Symfony โ WordPress, Shopify As a Python AI/ML developer specializing in data science and deep learning, I am dedicated to delivering high-quality solutions that leverage the power of artificial intelligence and machine learning for businesses. With a strong computer science background and hands-on experience in developing state-of-the-art AI models, my services encompass a wide range of tasks including data analysis, predictive modeling, natural language processing, and computer vision. I am passionate about providing intelligent solutions that generate actionable insights and drive improved business outcomes. Areas of expertise in Python AI/ML developer: ๐ Image analysis, classification, and detection: I utilize vector databases and image analysis models to create hashes and perform image matching, enabling precise and efficient image analysis. ๐ AI bots trained on custom language models: By leveraging GPT3 models and training them on specific datasets, I create AI bots capable of engaging in deeper and more tailored conversations. ๐ ML - computer vision: I excel in tasks such as segmentation, classification, and object detection, leveraging advanced techniques and tools like PyTorch, Keras, ResNet50, OpenCV, and TensorFlow. Programming languages and tools I am proficient in: โ๏ธ Python โ๏ธ R โ๏ธ PyTorch โ๏ธ Keras โ๏ธ ResNet50 โ๏ธ OpenCV โ๏ธ TensorFlow โ๏ธ SQL โ๏ธ OpenAI I am committed to delivering innovative AI solutions that drive business growth and efficiency. Let's collaborate to unlock the full potential of artificial intelligence in your organization.Apache Jakarta POI
PHPAPINetwork SecurityiOS DevelopmentWHMCS DevelopmentAndroid App DevelopmentCSSData MiningVPNHTML5Mac OS App DevelopmentFirewallInternet Protocol SecurityOpenVPNMachine LearningPython - $40 hourly
- 5.0/5
- (43 jobs)
Back-end engineer with a lifelong passion for software, databases, and scalable distributed & secure solutions. Over the ๐ญ๐ฏ+ ๐๐ฒ๐ฎ๐ฟ๐, I have developed or contributed to nearly ๐ฑ๐ฌ+ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐๐ in a variety of work like developing from stretch and scaled up to 1M+ user base, scaled from 1000 request/day to ๐ญ๐ + ๐ฟ๐ฒ๐พ๐๐ฒ๐๐/๐ฑ๐ฎ๐, and other technical works. I have worked with clients in various domains like healthcare, fintech, ed-tech, real estate, government agencies, and the non-profit sector, and have ๐๐ผ๐ฟ๐ธ๐ฒ๐ฑ ๐ณ๐ผ๐ฟ ๐ฐ๐ผ๐บ๐ฝ๐ฎ๐ป๐ถ๐ฒ๐ ๐๐๐ฐ๐ต ๐ฎ๐ ๐จ๐ฝ๐๐ผ๐ฟ๐ธ (yes I worked for Upwork itself, a listed company on the NASDAQ exchange), ๐๐ฒ๐๐๐ต๐ฒ๐๐ผ (a listed company in Botswana Stock Exchange), ๐ข๐๐ข ๐๐น๐ผ๐ฏ๐ฎ๐น, and many more startup companies in the world. Do you like Upwork's Reports & Time tracking feature? I am one of those developers who built that :) โ How can I help you โ I can handle your all end-to-end requirements analysis, UX, development, testing & delivery so you can focus on your sales & operations โ I can extend/develop your MPV product to production-ready โ I can develop products from scratch until the final delivery and support with maintained code quality and proper code coverage โ I can maintain your currently live products in the most optimum way by keeping quality and customer experience at first place in mind and with the minimum team and can save your cost โ I can choose the right technology stack and tools for your solution based on real needs and can save costs โ I can manage the team, do code reviews, handle CI/CD and releases, support live systems โ I can understand and implement the most difficult parts of software systems at very large-scale platforms like Upwork, (I am one of the Upwork platform devs) โ Expert areas - Java based back-end frameworks like Spring Modules (Spring MVC, Spring Security, Spring AOP, Spring Rest, Spring Data/JPA) & ZK (Zkoss) - ECMS implementation with Alfresco Content Services 4.x, 5.x, 6.x and Alfresco Process Services (Activiti) - RDBMS (MySQL, PostgreSQL, Oracle) - Graph/Document Databases MongoDB and DynamoDB - Web Crawlers with all features - Microservices based architecture implementation with Spring boot, Spring Integration and Apache Camel - AWS experience with RDS, SQS, SNS, SES, S3, and EC2 Instances - AWS API implementation experience - Queue based implementations with ActiveMQ/SQS - Test driven development implementation with unit and integration test cases with Junit/TestNG + Mockito + Spring - Database integration frameworks like JDBC/Hibernate/Sprint Data (ORM) and Spring Mongo - REST based Web Service/API implementation with Spring REST - CI/CD implementation with (Bamboo + Jenkins + Maven + Nexus + GIT(Bitbucket/Gitlab/Github)) - Payment Gateways implementations like Paypal and Stripe with debit/credit card integration - Solr/Lucene/ElasticSearch search engine integration - Jasper Reports (with DynamicJasper as well) - Agile Methodology understanding all terminology - Experience with implementing very complex queries with MySQL db - Java based Servers Tomcat/JBoss - Repositories like Git, SVN, P4V(Perforce) โ What my clients says (You may check in Work History) โญโญโญโญโญ "Vishal is best developer I have worked with till date. He is prompt responsive, an incredible problem solver, very professional, highly skilled and great team leader. He handles our portal continuous development including all project phases starting from requirement gathering(calls), task creation with all details, estimation, development, deployment on all environments, testing, creating wiki pages, choose right technology stack and AWS resources and manage tickets! He is handling dev team and also do development himself and supports everyone. Will certainly work with him again when we restart the project development! Highly recommended developer." ๐ค Hugo Galicia ( CEO @ chicagodealvault.com ) โญโญโญโญโญ "It was a highly positive experience working with Vishal. He was conscientious, always doing his due diligence to clarify any uncertainties before starting work. He gives accurate estimates of effort/time required for work, and either delivers on time or early. Overall a very reliable and dependable worker. We hope to work together with him soon. Highly recommended!" ๐ค Dominik Bieringer ( CEO @ Kandu ) โญโญโญโญโญ "Very experienced and diligent contractor" ๐ค Abhijit Dhar ( VP - Technical Services @ Whitehat Virtual Technologies ) โญโญโญโญโญ "Vishal is an excellent java engineer, with great business logic, self-motivated, with deep technical knowledge. He jumped right in and understood the current project architecture with minimum KT and limited documentation. He is always eager to solve new issues. I highly recommend him and will definitely work with him again, if opportunity permits. A pleasure to work with" ๐ค Chris Adams ( CEO @ eDataSource )Apache Jakarta POI
Project ManagementProject PlanningWeb ApplicationSaaSIntegration TestingJ2EESpring BootMicroserviceHibernateSpring FrameworkPostgreSQLJUnitAmazon DynamoDBJavaMySQL - $50 hourly
- 5.0/5
- (2 jobs)
As a Full-Stack Developer, I build Javascript-based web and mobile applications for startups, enterprises, and individuals. I can help if you are looking for a reliable developer or technical partner to make your business work. For the last 9 years, I have been providing the following services: โ Software development โ Web app development โ Mobile app development (React Native) โ API development and integration โ POC and MVP development Working worldwide, I can help with the following industries: ๐ธ SaaS development ๐ธ eCommerce or Retail ๐ธ Fintech ๐ธ Real Estate ๐ธ E-sport My main tech skills: โ๏ธ NodeJS | NestJS | React | RactJS | Next.js | React Native โ๏ธ PHP | Laravel โ๏ธ ExpressJS โ๏ธ PostgreSQL / MySQL / MongoDB โ๏ธ Typescript โ๏ธ Docker โ๏ธ Cloud (AWS, GCP, DigitalOcean, Heroku) Letโs start your next project!Apache Jakarta POI
React NativeVuexJavaScriptPHPAmazon Web ServicesSaaSWeb DevelopmentAPI IntegrationTypeScriptPostgreSQLMongoDBExpressJSNode.jsReactLaravel - $35 hourly
- 4.9/5
- (20 jobs)
๐จโ๐ป As a Senior Frontend Developer (React, Vue.JS) with over 7 years of experience, I specialize in creating high-performance, scalable web applications and software. I have a strong understanding of frontend development principles, which allows me to create clean, efficient, and optimized code. ๐ ๐๐ฒ ๐ฉ๐ซ๐จ๐๐๐ฌ๐ฌ๐ข๐จ๐ง๐๐ฅ ๐๐๐ก๐ข๐๐ฏ๐๐ฆ๐๐ง๐ญs ๐๐ซ๐: ๐ Developing a scalable and performant single-page application using Vue.js and Vuex that improved user experience and increased customer satisfaction for an e-commerce platform. ๐ Developing a highly optimized and performant single-page application that reduced page load time by 50% for a major e-commerce store (using React). ๐ป Implementing a custom reusable component library for Vue.js and React applications, increasing code reusability and reducing development time for complex enterprise projects. ๐ Building a dynamic and responsive dashboard using Vue.js and D3.js, and using React and D3.js, that provided real-time insights and visualization of complex data for clients in the financial sector. ๐ก Designing and implementing custom testing frameworks for Vue.js and React applications that improved test coverage and minimized regressions in large-scale projects with frequent releases. ๐ ๏ธ Building custom build pipelines and optimization processes using Webpack for both Vue.js and React applications that significantly reduced page load time and improved performance. ๐งฉ Developing modular and extensible frontend architectures using Vue.js and React with micro-frontends, enabling easy maintenance and seamless integration of new features for SaaS platforms. ๐ซ ๐๐ก๐๐ญ ๐ฆ๐ฒ ๐๐ฅ๐ข๐๐ง๐ญ๐ฌ ๐ฌ๐๐ฒ ๐๐๐จ๐ฎ๐ญ ๐ฆ๐: ๐ "Working with Dmytro has been an absolute pleasure! They have a great attitude and are always willing to go above and beyond to make sure that our project is successful. Their attention to detail and ability to deliver high-quality work on time has made a huge impact on our business." ๐ "I had the pleasure of working with Dmytro on a recent project and I was thoroughly impressed with their level of expertise and dedication to delivering a high-quality product." ๐ผ ๐๐จ๐ฐ ๐ญ๐ก๐ ๐ก๐ข๐ซ๐ข๐ง๐ ๐ฉ๐ซ๐จ๐๐๐ฌ๐ฌ ๐ฅ๐จ๐จ๐ค๐ฌ ๐ฅ๐ข๐ค๐: - Share your project documentation and current challenges with me. - I will review the documentation and provide initial insights on how to help. - Schedule a call for us to get to know each other better and for you to conduct an interview. - If we are a good fit for expertise and values, we will open a contract on Upwork. - Begin onboarding for the project and start working with your team. ๐ Vue.js Skills: ๐น Vue.js, Vuex, Vue Router, Vue CLI, VuePress ๐น Nuxt.js ๐น Composition API ๐น Vue Testing Library ๐น Vuetify, BootstrapVue, Element Plus, Quasar, PrimeVue, Tailwind CSS ๐ฅ React Skills: ๐ธ React, Redux, React Router ๐ธ Next.js ๐ธ Gatsby ๐ธ Styled Components ๐ธ Material UI, Ant Design, Semantic UI, Tailwind CSS ๐ Software Engineering Skills: ๐ PHP, NodeJS knowladge ๐ Git ๐ Ability to write clean, maintainable, and scalable code that follows best practices ๐ Understanding of software development methodologies such as Agile, Scrum, or Kanban ๐ Experience with databases and data modeling ๐ Strong problem-solving skills and the ability to troubleshoot and debug complex software systems ๐ Effective communication and collaboration skills to work in a team environment ๐ Strong understanding of data structures, algorithms, and software design patterns such as GoF collection patterns ๐ Understanding of algorithmic complexity, Big O notation, and time/space complexity analysis. ๐ If you are interested in discussing your project with me, make sure to click the ๐๐ขINVITE ๐ข button, and letโs talk ๐ค Highlighted Skills: HTML5, CSS3, Sass/Scss, Responsive Web Design, Cross-Browser Compatibility, Web Accessibility, SEO Optimization, Frontend Architecture, JavaScript, jQuery, TypeScript, Angular, React, Vue.js, Ember.js, Web Components, Progressive Web Apps (PWA), Single Page Applications (SPA), Server Side Rendering (SSR), Client Side Rendering (CSR), API Integration, GraphQL, RESTful APIs, Web Performance Optimization, Browser DevTools, Git, GitHub, Webpack, Gulp, npm/yarn, Visual Studio Code, Sublime Text, Atom, Responsive Images, Lazy Loading Images, Code Splitting, Error Handling, Debugging, Agile Methodologies (Scrum, Kanban), Continuous Integration and Deployment (CI/CD), CSS Frameworks (Bootstrap, Foundation, Materialize), CSS Preprocessors (Sass, Less, Stylus), CSS-in-JS (Styled Components, Emotion), Frontend Libraries (jQuery, Lodash, Moment), Frontend Frameworks (React, Vue.js, Angular) Last updated: May 1, 2025Apache Jakarta POI
AWS DevelopmentSaaS DevelopmentBack-End DevelopmentWebsocketsNuxt.jsNext.jsPythonWeb DevelopmentFull-Stack DevelopmentReduxFront-End DevelopmentReactVue.jsHTML5JavaScript - $70 hourly
- 4.7/5
- (54 jobs)
The Best at developing everything related to browsers & OS. ๐ Chromium/Brave based Browser Development, โ๏ธOperating Systems Development (Linux/ChromiumOS/AOSP based) ๐ฅ๏ธElectron & Tauri & CEF & C++ & QT & Flutter & C# & Python & Java Software Development, ๐ฑ React Native Mobile Apps Development,๐ธ๏ธ Web Scraping, ๐ ๏ธ Browser Extension Development Hello! Iโm Naeem, a Senior Desktop & Mobile Apps Developer specializing in Chromium & Brave Browser, CEF, Electron software development. With over 11 years of software development experience, Iโve 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, Iโm here to bring your vision to life. Letโs dive into my core skills: ๐ 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. โ๏ธOperating Systems Development: developing Linux/Chromium OS/AOSP based full fledge OS. ๐ฅ๏ธ Desktop Development: Leveraging Chromium Embedded Framework (CEF) and Electron for building cross-platform desktop applications that run smoothly on any OS. ๐ฑ Mobile Apps Development: Utilizing React Native to create seamless mobile experiences across iOS and Android platforms. ๐ธ๏ธ Web Scraping: Advanced techniques for extracting data efficiently and accurately from websites, catering to your data analysis needs. ๐ ๏ธ Browser Extension Development: From idea conceptualization to development and deployment, crafting browser extensions that enhance user experience and functionality. You can say Iโm one of the worldโs best developers, because I can think of a 1000 solutions for a problem, as an appreciation of my abilities my teachers named me โBest Programmer in the Worldโ 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 youโre 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 โexpert developerโ who took 2 months of their precious time and couldnโt 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 wasnโt 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 couldnโt deliver anything in 6 months and he didnโt 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. Iโm 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. Iโm waiting for your go-ahead, just send me a message or invite ๐Apache Jakarta POI
Mobile App DevelopmentFull-Stack DevelopmentFront-End DevelopmentFlutterMobile Operating SystemComputer Operating SystemChrome OSOperating Systems DevelopmentAndroidGoogle Chrome ExtensionPythonC++C#ChromiumReact Native - $15 hourly
- 4.0/5
- (11 jobs)
As a seasoned Java Professional, I'm passionate about transforming business needs into technical solutions that are both scalable and efficient. With extensive experience in Java, Spring, Spring Boot, Hibernate, JPA, and Microservices, I specialize in creating reliable backend systems that drive productivity and performance. What I Bring to Your Project: End-to-End Development Expertise: From requirements gathering to final delivery, I ensure your projectโs backend is developed with clean, maintainable, and scalable code using proven frameworks like Spring, Hibernate, and Spring Boot. Microservices & Integration: I design and implement microservice architectures using patterns such as API Gateway, Service Discovery, and Circuit Breaker to ensure seamless communication between services and resilience in your system. With Kafka and Apache Camel, I build integration solutions for real-time data processing and message-driven architectures, making your system flexible, scalable, and fault-tolerant. Database Management: With a deep understanding of SQL, JDBC, and databases like MySQL, Oracle, and MongoDB, I ensure your data is managed efficiently with optimal query performance. Design Patterns for Efficiency: I utilize widely accepted design patterns to ensure your application is modular, maintainable, and scalable. These patterns help in solving common development challenges and improving the overall architecture, making it easier to adapt and extend your system as your business grows. What Sets Me Apart: Proven Problem-Solver: I excel at identifying the root of a problem and delivering solutions that donโt just patch issues but improve long-term performance and scalability. Collaborative Approach: I work closely with clients to ensure their vision is translated into a technical solution that aligns with their business goals. Monitoring & Optimization: Beyond development, I monitor applications, networks, and infrastructure to ensure everything runs smoothly and efficiently.Apache Jakarta POI
RESTful APIElasticsearchMySQLMongoDBDatabaseApache TomcatApache MavenApache KafkaMicroserviceJava Persistence APISpring BootHibernateSpring FrameworkJ2EEJava Want to browse more freelancers?
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