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  • $105 hourly
    • 5.0/5
    • (12 jobs)
    I’m a Full-Stack Software Engineer with over 15 years of experience in developing innovative web and mobile applications. My expertise spans a range of technologies including Java, Python, Swift, and modern frameworks such as Spring Boot, FastAPI, and more. Whether you need a robust web application, a sleek iOS app, or efficient RESTful APIs, I’m here to bring your ideas to life. 🔹 Skills & Expertise: Web Development: Java, Python, JSP, HTML/CSS, Spring Framework, Spring Boot, FastAPI, RESTful APIs Mobile Development: iOS App Development using Swift Database Management: MySQL, Oracle, PostgreSQL Cloud Platforms: Azure, AWS, Google Cloud Platform DevOps: GitHub Actions for CI/CD, Azure, AWS API Tools: Swagger, Postman I have a proven track record of creating efficient and scalable solutions for diverse clients. My approach combines deep technical expertise with a keen eye for detail and a commitment to delivering high-quality results. 🔹 Services Offered: Web Application Development: Full-stack development, from front-end design to back-end functionality. iOS Mobile Application Development: Development of custom iOS applications using Swift. API Development & Integration: Design, development, and integration of RESTful APIs. Cloud Solutions: Deployment, management, and optimization on Azure, AWS, and Google Cloud Platform. DevOps Solutions: CI/CD pipelines setup using GitHub Actions/Azure, version control, and automated testing. Database Solutions: Design, optimization, and management of databases for MySQL, Oracle, and PostgreSQL. 🔹 Why Choose Me? Versatility: I offer a broad range of skills to tackle both web and mobile development projects. Experience: My experience includes both large-scale enterprise applications and smaller, agile projects. Problem Solver: I approach each project with a focus on understanding client needs and delivering solutions that meet those needs effectively. Communication: I prioritize clear and timely communication to ensure that projects stay on track and meet your expectations. Quality Assurance: I adhere to best practices in coding, testing, and deployment to ensure the highest quality of work. 🔹 Let’s Work Together! If you’re looking for a skilled and reliable software engineer to bring your project to life, let’s discuss how I can help you achieve your goals. Contact me today to get started!
    Featured Skill Hibernate
    Swift
    RESTful API
    CSS
    HTML5
    Google Cloud Platform
    API Development
    Firebase
    Mobile App Development
    iOS Development
    Web Service
    Spring Boot
    MySQL
    Azure Cosmos DB
    Python
  • $35 hourly
    • 5.0/5
    • (1 job)
    I am a skilled programmer with extensive experience in Java and Python development. I have worked on a variety of web, mobile, and desktop projects, contributing to every phase of the software development lifecycle, including estimation, technical design, implementation, testing, deployment, and support. - Expertise in Java and Python, with hands-on experience using frameworks like Spring Boot, Hibernate, Django, and Flask. - Proficient in ORM (Object Relational Mapper) libraries and integrating multiple data sources and databases. - Solid understanding of server-side templating languages like Jinja2 and Mako. - Familiar with front-end technologies such as JavaScript, HTML5, and CSS3. - Knowledgeable about accessibility, security compliance, and user authentication/authorization for multi-system environments. - Experienced in designing scalable applications with a strong foundation in core principles. - Skilled in event-driven programming in Python. - Strong debugging and unit testing abilities to ensure high-quality deliverables.
    Featured Skill Hibernate
    React
    Jira
    JavaScript
    Angular
    GitHub
    Spring Boot
    Python
    Java
    MongoDB
    Spring MVC
  • $125 hourly
    • 5.0/5
    • (5 jobs)
    Software Developer specializing in the Grails framework as well as mobile development. I bring a unique blend of frontend and backend development experience to projects. Previously dedicated to software quality assurance at Zelifcam, I have honed my skills in ensuring impeccable functionality, usability, and security for web applications. I am actively involved in designing and implementing responsive user interfaces, while also developing robust backend features to enhance overall functionality and performance. As a Software Developer specializing in full-stack web and mobile development, I leverage technologies like HTML, CSS, JavaScript, React, Vue, Java, Grails, SQL, Python, and Flutter. I’m skilled in creating intuitive interfaces and reliable backend systems, contributing to a broad range of projects—including web and mobile apps, data-driven tools, web scrapers, and business solutions. I focus on optimizing performance through seamless front-end and back-end integration, delivering impactful, user-centric experiences in collaborative settings. 🛠 Technical Expertise: • Frontend Development: HTML, GSP, JavaScript, React, CSS, SCSS, Bootstrap • Backend Development: Java, Groovy, Grails, REST APIs, Python • Mobile Development: Flutter, FlutterFlow • Software Testing: Manual & Automated Testing • Version Control: Git • Database: SQL & Database Design 👷‍♂️ Key skills: • Diligent Attention to Detail • Full-Stack Development Proficiency • Strong Analytical and Problem-Solving Abilities • Thorough Understanding of Software Development Life Cycle • Continuous Learning and Adaptability 💡 WHY CHOOSE ME FOR YOUR NEXT PROJECT: ➡️ Quality-Centric Approach: I am committed to delivering high-quality solutions that exceed client expectations, leveraging my background in QA to ensure rigorous testing and impeccable functionality. ➡️ Technical Versatility: From front-end to back-end development, I possess the skills and expertise to tackle diverse project requirements and challenges. ➡️ Innovative Solutions: I thrive on finding creative solutions to complex problems, delivering innovative and impactful solutions for clients. ➡️ Passion for Excellence: I am driven by a passion for excellence and a relentless pursuit of improvement, ensuring that your projects receive nothing but the best. Ready to elevate your software to new heights of quality and performance? Let's collaborate! Contact us or click "hire/invite" to embark on a journey towards flawless digital experiences!
    Featured Skill Hibernate
    RESTful API
    Version Control
    Spring Boot
    Bootstrap
    Responsive Design
    GitHub
    Scrum
    React
    SCSS
    MySQL
    Java
    CSS
    JavaScript
    HTML
  • $90 hourly
    • 4.8/5
    • (15 jobs)
    ↗️ I can start immediately however. I'd like to be sure we match well. 📌 Requirements call is a must! 🛑I will not participate in small fixes projects - sorry, guys. I know how to manage your expectations and to meet all your requirements. I am a Sofware Architect with 8+ years of engineering experience. I develop secure applications as a full-stack developer using Java and Kotlin. I create dynamic front-ends as a full-stack developer using JavaScript and TypeScript. I optimize database performance as a full-stack developer by leveraging SQL. I design responsive interfaces as a full-stack developer with HTML and CSS. I integrate strong back-end logic as a full-stack developer using Spring Framework. I build scalable solutions as a full-stack developer with Java and Kotlin. I enhance interactivity as a full-stack developer using JavaScript and TypeScript. I develop enterprise applications as a full-stack developer with Spring Framework. I structure software systems as a full-stack developer using Java and Kotlin. I ensure smooth API communication as a full-stack developer using RESTful architecture. I create seamless front-end experiences as a full-stack developer using JavaScript and TypeScript. I optimize data storage as a full-stack developer with SQL. I develop interactive UIs as a full-stack developer using HTML and CSS. I implement scalable solutions as a full-stack developer using Spring Framework. I enhance application performance as a full-stack developer with Java and Kotlin. I improve security as a full-stack developer using best practices in Spring Framework. Why Work With Me? I manage development workflows as a full-stack developer using Git. I build scalable applications as a full-stack developer with strong web development skills. I integrate third-party services as a full-stack developer using API integration. I create powerful back-end systems as a full-stack developer with Spring Framework. I develop dynamic front-ends as a full-stack developer using Angular and AngularJS. I enhance user experiences as a full-stack developer with jQuery. I focus on secure applications as a full-stack developer by prioritizing website security. I improve system architecture as a full-stack developer using RESTful architecture. I build fast applications as a full-stack developer with React and Node.js. I deploy scalable solutions as a full-stack developer using Amazon Web Services, Docker, and Kubernetes. I manage cloud-based applications as a full-stack developer with AWS. I enhance system security as a full-stack developer using Spring Framework. I optimize performance as a full-stack developer with Java and Kotlin. I improve web interfaces as a full-stack developer with JavaScript and TypeScript. I ensure structured data management as a full-stack developer with SQL. I develop flexible web designs as a full-stack developer with HTML and CSS. How I Can Help You I write clean code as a full-stack developer using Java and Kotlin. I manage databases as a full-stack developer with SQL. I optimize data storage as a full-stack developer using PostgreSQL, MongoDB, MySQL, and Redis. I configure servers as a full-stack developer using NGINX, Apache HTTP Server, and Apache Tomcat. I create efficient back-end systems as a full-stack developer with Spring Framework. I develop secure APIs as a full-stack developer using Apache Groovy. I deploy scalable applications as a full-stack developer with AWS, Docker, and Kubernetes. I optimize cloud solutions as a full-stack developer using AWS. I enhance business logic as a full-stack developer with Spring Framework. I improve API performance as a full-stack developer using Apache Groovy. I develop modern web applications as a full-stack developer using React and Node.js. I implement scalable back-end logic as a full-stack developer with Spring Framework. I integrate responsive front-end components as a full-stack developer with JavaScript and TypeScript. I ensure security and efficiency as a full-stack developer by following best coding practices. Let’s Work Together If you need a full-stack developer with deep expertise in Spring Framework, Java, Kotlin, SQL, JavaScript, HTML, and TypeScript, let’s discuss your project. Send me an invite, and let’s create something great!
    Featured Skill Hibernate
    Web Development
    PostgreSQL
    Kotlin
    RESTful API
    RESTful Architecture
    API
    AngularJS
    React
    TypeScript
    Java
    JavaScript
    Angular
    Microservice
    Spring Framework
  • $85 hourly
    • 5.0/5
    • (1 job)
    Oracle Certified Java Programmer, Sun Web Component Developer with Java (J2EE) development experience of more than 18 years: Hibernate, Spring (MVC, AOP, Transaction management), Struts, JSP/Servlet, JUnit, Tomcat, BEA/Oracle Weblogic, Kubernetes, AWS, Ajax, Javascript,JQuery, Postgres, Mysql, Oracle. Extensive experience in developing large-scale applications for Fortune 500 Companies spanning verticals like Pharmaceuticals, Insurance, Finance, Marketing, Technology. Developed complex integration products for Enterprise applications with WMS/JDA, Oracle ERP(11i), SAP, SAP Marketing Cloud, etc.
    Featured Skill Hibernate
    PostgreSQL Programming
    Core Java
    RESTful Architecture
    Java
    Spring Framework
    SQL
    Apache Struts
    Oracle Database
    Spring Boot
  • $50 hourly
    • 5.0/5
    • (3 jobs)
    👩🏽‍💻 Experienced Full Stack Developer with expertise in a diverse range of technologies, including Java, Spring Boot, React, Node.js, Flutter, and AWS. With a rich background spanning over 5 years, I have successfully contributed to the development of ride hailing platforms, Point of sale systems, and crafted customized web applications to meet diverse business requirements. 🚀 My proficiency extends across both front-end and back-end development, showcasing a comprehensive skill set that includes React for dynamic user interfaces, Node.js for scalable server-side applications, and Flutter for cross-platform mobile development. In addition, I have a strong foundation in Java and Spring Boot for robust back-end solutions. 🌐 Working with variety of companies, I have consistently demonstrated intricate problem-solving skills, a commitment to quality assurance, and a focus on timely project delivery. My portfolio stands as a testament to my ability to adapt and excel in challenging environments. ☁️ As an AWS enthusiast, I leverage cloud solutions to ensure optimal performance and security for digital applications. I am also Azure Fundamental certified, further attesting to my commitment to integrating the best cloud solutions to meet client needs. 🌍 Fluent in both English and Amharic, I bring effective communication skills to the table, fostering seamless collaboration with diverse teams. Let's work together to turn your digital vision into a reality! 🎩 Senior Full-Stack Developer with 5+ years of experience. My skill sets senior full-stack developer : ✔️ JavaScript, Java, TypeScript, Kotlin, Dart ✔️ Spring boot, Spring ( Cloud, Security, Data, MVC, Gateway…), Hibernate, JPA, React.js, Node.js, TypeScript, Flutter ✔️ Material-UI, Tailwindcss, Styled-component, CSS, ✔️ MongoDB, GraphQL, MySQL, PostgreSQL, Redis ✔️ AWS Services ✔️ Puppeteer, Junit, Mockito, Unit tests ✔️ Oauth2, OIDC / OpenId Connect ⭐ Elevating Your Project with Unparalleled Expertise ⭐ ✔️ Cutting-Edge Technical Proficiency: ✔️ Solution-Focused Ingenuity ✔️ Globally Recognized Collaboration: A track record of collaboration with esteemed international companies underscores my ability to comprehend and execute high-standard project requirements, consistently delivering world-class results. ✔️ Fluent Communication Bridge: Proficiency in both English and Amharic facilitates seamless interactions, providing a crystal-clear understanding of project needs, regardless of your team's geographical location. ✔️ Cloud Integration Mastery: I seamlessly integrate and optimize cloud solutions, ensuring your project excels in performance, scalability, and security. ⭐ Why Enlist My Expertise ⭐ ✔️ Holistic Technical Proficiency ✔️ Seasoned Mastery: With over 5 years in Full Stack Development, I've successfully spearheaded projects ranging from start-ups to globally recognized corporations. ✔️ Collaborative Leadership: As a seasoned team lead, I efficiently orchestrate, supervise, and review tasks, ensuring the seamless progression of projects. ✔️ Accessibility and Responsiveness: Prioritizing open communication, I remain highly responsive, ensuring clients are consistently in the loop, and their needs are promptly met. 🚀 As a adept Full Stack Developer, you can rely on my professional approach. With an availability of 8 hours/day, expect clean coding, efficient solutions, and innovative insights for your site or service. 💡 Quick Tip: Appreciate your interest in getting to know me better! Feel free to reach out directly or extend an invitation to your Upwork project. Together, we can turn your vision into a reality.
    Featured Skill Hibernate
    Docker Compose
    Git
    Docker
    Microservice
    AWS Lambda
    REST API
    Spring Boot
    JavaScript
    Node.js
    Flutter
    React
    Java
  • $100 hourly
    • 5.0/5
    • (6 jobs)
    I am a software engineer with 20 years of experience in multiple industry. I am a very passionate and an excellent problem solver. I work with Java 11 using Spring, Elastic Search, Jersey, Hibernate, Postresql , Mysql and ActiveMQ. I also have a lot of experience in AWS services such as Cloudformation, DynamoDB, Lambda, SQS , RDS. I have the AWS developer associate certification.
    Featured Skill Hibernate
    PostgreSQL Programming
    Linux System Administration
    Apache ActiveMQ
    Amazon Elastic Beanstalk
    AWS Lambda
    Java
    Oracle Database
    Docker
    RESTful API
  • $100 hourly
    • 5.0/5
    • (30 jobs)
    Results-driven software engineer with over 20 years of experience designing, developing, and optimizing Java-based SaaS web applications, system architectures, and API-driven integrations. Adept at modernizing legacy systems, upgrading Java JDK versions, managing third-party dependencies, and implementing security and vulnerability mitigations. Proven expertise in troubleshooting and optimizing critical system functions, including JVM memory tuning, heap and thread dump analysis, and database performance tuning. Skilled in building scalable, high-performance applications by leveraging modern cloud infrastructure, CI/CD pipelines, and DevOps best practices. Passionate about solving complex technical challenges, improving system reliability, and enhancing application functionality and performance to drive business success. Technical Expertise: Backend Development: Java, Spring Boot, JPA, Hibernate, Tomcat, REST APIs, Maven Cloud & Infrastructure: AWS (EC2, S3, RDS, SQS, SES, QuickSight, Cognito, CodeDeploy, Lambda, Security Groups) Frontend Development: JavaScript, React, Angular, Material UI/MUI, jQuery, DataTables, HTML, CSS, Bootstrap Database Management: SQL (MySQL, SQL Server, Postgres), JDBC, Liquibase DevOps & Automation: CI/CD Pipelines, AWS CodeDeploy, BitBucket Pipelines, GitHub Actions, Docker, JIRA, Bamboo, Confluence
    Featured Skill Hibernate
    React
    Docker
    PostgreSQL
    Angular
    Microsoft SQL Server
    Amazon Web Services
    MySQL
    API
    JavaScript
    Java
    HTML
    Spring Framework
    Apache Tomcat
    Spring Boot
  • $60 hourly
    • 5.0/5
    • (1 job)
    Open minded, hard working and technical skilled geek person. I'm developer with more than 15 years of software development. I have experience in different areas of software engineering from low level firmware development to WEB-services in NodeJS and UI with ReactJS. - I'm experienced in Java, NodeJS and Scala development. - Can work as a team player or solo. - Regular communication is a key of success.
    Featured Skill Hibernate
    Node.js
    Spring Boot
    Java
    Scala
  • $100 hourly
    • 5.0/5
    • (5 jobs)
    I have 22 years of experience in developing applications mainly in software development I will fully manage your project from start to finish Regulat communication is important so keep in touch
    Featured Skill Hibernate
    Blockchain
    Node.js
    Solidity
    Servlet
    Jakarta Messaging
    Apache Tomcat
    Web Server
    JDBC
    Python
    Java
    JavaScript
  • $90 hourly
    • 5.0/5
    • (2 jobs)
    I'm a software engineer with over a decade of professional experience in developing custom web software. My passion for programming dates back to childhood, and I've honed my skills in a variety of programming languages and technologies. Throughout my career, I've worn many hats in different areas and been recognized for delivering quality software with the highest degree of scalability and durability. Beyond my technical expertise, I'm a strong communicator able to work collaboratively with others and bring a friendly, approachable demeanor to every project I involve myself in.
    Featured Skill Hibernate
    Spring Boot
    Java
    Python
    SQL
    Laravel
    Symfony
    PHP
    Doctrine ORM
    Android
    iOS
    HTML
    JavaScript
    Elm
  • $35 hourly
    • 5.0/5
    • (8 jobs)
    Hi! I'm Shivani. I am a self motivated professional and thrives on learning new skills and overcoming challenges. I'm a developer and worked heavily on building the backend of the applications. I have made standalone applications as well as web services using Java, SpringBoot and hosted them on cloud platforms. I am also into designing and made templates, covers, journals in Canva. I have already published my designs on KDP. How can I help? - Build RESTful APIs for your application. - Perform code reviews. - Help debugging issues. - Revive, update or fix existing applications in the need of care and feeding. - Help in developing the backend of your application - Help in making designs, templates, covers in Canva
    Featured Skill Hibernate
    Amazon EC2
    GitHub
    SQL
    AWS Lambda
    Apache Kafka
    Amazon S3
    Apache Maven
    Spring Boot
    Spring Framework
    MongoDB
    Java
    Redis
    Git
    Gradle
  • $35 hourly
    • 5.0/5
    • (1 job)
    About: Over 6 years of experience as a Pega Developer in the banking sector. Strong proficiency in Java, Spring, Hibernate, and Pega, with additional skills in React, Python and Git. Certified Pega Senior System Architect and System Architect with expertise in software development methodologies and project management. Skilled in Agile/Scrum methodology and DevOps.
    Featured Skill Hibernate
    ELK Stack
    Telegram API
    Apache Kafka
    JavaFX
    Pega PRPC
    Kubernetes
    Python
    Git
    React
    Java
    SQL
    Docker
    Spring Framework
  • $65 hourly
    • 5.0/5
    • (4 jobs)
    I am a passionate software engineer with extensive experience developing applications using Java and Python. I have worked on diverse web, mobile, and desktop projects where I participated in all aspects of the software development lifecycle including estimation, design, coding, documentation, testing, deployment, and support. My key skills include: - Expertise in Java and Python plus frameworks like Spring Boot, Hibernate, Django, and Flask - Experience with ORM libraries and integrating diverse data sources - Knowledge of server-side templating with Jinja2 and Mako - Familiarity with front-end technologies like JavaScript, HTML5, and CSS3 - Understanding of accessibility, security compliance and authentication between systems - Skilled at scalable and event-driven application design - Strong debugging and unit testing abilities
    Featured Skill Hibernate
    Golang
    Oracle
    Spring MVC
    React
    Angular
    JavaScript
    Amazon Web Services
    Flask
    Django
    Spring Boot
    DevOps
    Python
    Kotlin
    Java
  • $40 hourly
    • 5.0/5
    • (1 job)
    Innovative and solutions-oriented Software Engineer with 12+ years of diverse experience in information security, IT infrastructure, and software design & implementation. Proven record of working with various development frameworks, systems, & databases, executing Continuous Integration/Continuous Deployment (CI/CD), and collaborating with cross-functional teams. Skilled at aligning software solutions to company goals, utilizing complex technologies, and maintaining systems.
    Featured Skill Hibernate
    Cucumber
    Kotlin
    Python
    Core Java
    Kibana
    Elasticsearch
    Logging Framework
    JUnit
    Redis
    Apache Kafka
    SQL
    PostgreSQL
    Spring Framework
    Java
  • $40 hourly
    • 4.8/5
    • (10 jobs)
    With 5+ years of professional experience in software (website, front-end, back-end, web app) development with a diverse background spanning multiple industries and roles. Throughout my career, I've demonstrated proficiency in full-stack development, system integration, and project management. My diverse experiences have equipped me with a unique skill set to tackle complex challenges and deliver innovative solutions. Technical Proficiencies: Website Technologies: Shpoify, WordPress Frontend Technologies: React, React Native, Flutter, HTML, CSS Backend Technologies: Node.js, Nest.js, TypeScript, JavaScript, Express.js, AWS, MongoDB Database Management: MySQL, PostgreSQL, JSON, Database Schema Design Architectural Patterns: MVC, Event-Driven Architecture, Serverless Architecture, Clean Architecture, GraphQL Mobile Development: iOS SDK, Swift, Objective C, Apple XCode, Android SDK, Kotlin, Java Android Studio Mobile Libraries & APIs: Alamofire, SDWebImage, Cocoapods, SQLite, Core Data Web Services & APIs: RESTful API development, Firebase Cloud Messaging, In-App Purchase Integration Code Optimization: Performance tuning, Design patterns, Material Design, Custom UI Elements, Animation Cloud Services: Firebase Analytics, Database, Storage, Hosting, Crash Reporting, AWS, DigitalOcean Social Integrations: Facebook, Twitter, Google SDK Additional Skills: Web Scraping, Image Processing, Deep Linking, Content Provider, BroadcastReceiver, Background Services Tools: Git, Github, Bitbucket, Sketch, Photoshop ----------------------------------------------------- Full Stack Development Expert, Front-end Developer, Back-end Developer, Web App Development, Mobile App Development, React, React.js, Node.js, Nest.js, Nuxt.js, Express.jsJavascript, Typescript, HTML, CSS, CSS3, PHP, Python, API Development, API Integration, RESTful API, Third-Party SDK Integration, Firebase, Firebase Firestore, Analytics, Crashlytics, Cloud Services, AWS, Amazon Web Services, Database Design, Database Management, Mobile App Development, Native App Development, Android Mobile App Development, iOS Mobile App Development, Cross-Platform Mobile App Development, Flutter Mobile App Development, Dart, Java, Kotlin, Swift, SwiftUI, ChatGPT API Integration, Web Development, Web Application, Website Redesign, Website Optimization, Database Development, OpenAI, Agile Software Development, Google Analytics, Google Cloud Platform, RESTful Architecture, Amazon DynamoDB, SQLite, MySQL, MongoDB, Realm Database, PostgreSQL, Firebase Realtime Database, Node.js Framework, Back-End Development, API, React, Front-End Development, Full-Stack Development
    Featured Skill Hibernate
    Microservice
    API Development
    Product Development
    Web Development
    OpenShift
    Amazon EC2
    Kubernetes
    MongoDB
    NoSQL Database
    PostgreSQL
    Apache Kafka
    MySQL
    Java
    Spring Boot
  • $45 hourly
    • 5.0/5
    • (6 jobs)
    • 9+ years experience in analysis, design, development, implementation, architect and management of N-tier enterprise/distributed java/.net based applications covering desktop, and web based. • Hands on experience in developing financial and health care applications, as well as architect them Specialties - Languages: Java, C/C++, C# .Net, Visual Basic, Visual Basic .Net, JavaScript, PL/SQL. - Tools/Technologies: J2EE (Enterprise JavaBeans, JSP/Servlets, RMI), JavaServer Faces, Spring, Struts, Hibernate, AJAX, Ant, XML, ASP, JBoss AS, JBuilder 9/x, Eclipse 3.0.1, Oracle Developer 2000, MySQL, Postgresql, Informix, Web services (java/C#). - RDBMS: Oracle 9/9i. - ORDBMS: Postgresql.
    Featured Skill Hibernate
    Spring Framework
    Apache Struts
    Jakarta Server Faces
    J2EE
    Java
    PostgreSQL
    C#
    MySQL
  • $35 hourly
    • 5.0/5
    • (2 jobs)
    🚀 With 12+ years of experience, I’ve helped businesses save up to 30% in development costs while delivering high-performance web and mobile apps. Let’s build solutions that not only meet your needs but also drive your bottom line! I specialize in designing, developing, and scaling custom SaaS platforms, AI-driven applications, and enterprise-level mobile and web solutions. Whether you're launching a startup or optimizing an existing product, I bring technical excellence and a business-driven approach to every project. || Core Expertise & Services 🔹 Full-Stack Web Development Scalable web apps with React.js, Next.js, TypeScript, and Node.js High-performance backend architecture using Express.js, Laravel, Python, and GraphQL Database design & optimization (MongoDB, PostgreSQL, MySQL) 🔹 Mobile App Development Cross-platform mobile apps with React Native & Flutter Native iOS & Android development using Swift & Kotlin Seamless UI/UX with optimized performance 🔹 AI & SaaS Development AI-powered automation & chatbot development OpenAI, LangChain, and predictive analytics integrations Scalable SaaS solutions with secure API architecture 🔹 API Development & Third-Party Integrations REST, GraphQL & WebSocket API development Secure payment gateway integrations (Stripe, PayPal, Braintree) Cloud & DevOps solutions using AWS, Google Cloud, and Azure 💼 Imagine cutting your project timeline by 40%! With my expertise in full-stack development and AI, I create scalable applications that deliver real results. Partner with me and watch your ideas come to life while saving you time and money! || Recent Projects & Case Studies ✅ AI-Powered Resume Builder – SaaS platform with OpenAI-powered content automation ✅ Live Video Streaming App – WebRTC-based real-time video broadcasting ✅ Enterprise Workflow Automation – Streamlined business operations via API integrations ✅ E-Commerce Marketplace – Scalable, multi-vendor platform handling thousands of transactions ✅ Fintech & Healthcare Solutions – Secure apps with regulatory compliance 📈 Clients have seen revenue growth up to 50% through my tailored SaaS and mobile solutions. With 12+ years in the industry, I focus on creating cost-effective, high-quality applications that generate value. Ready to take your project further? || Tech Stack & Tools 🔹 Frontend: React.js, Next.js, Vue.js, TypeScript 🔹 Backend: Node.js, Express.js, Laravel, Python 🔹 Mobile: React Native, Flutter, Swift, Kotlin 🔹 Databases: MongoDB, PostgreSQL, MySQL, Firebase 🔹 Cloud & DevOps: AWS, Google Cloud, Azure, Docker, Kubernetes 🔹 AI & Web3: OpenAI API, LangChain, Solidity, Web3.js || Why Work With Me? ✔️ 12+ Years of Experience in end-to-end product development ✔️ Scalable, performance-driven applications built for growth ✔️ AI & automation expertise for modern business needs ✔️ Transparent communication and a problem-solving approach ✔️ Long-term collaboration & post-launch support 📩 Let’s Discuss Your Project I’m available for new projects and long-term collaborations. Contact me today to explore how we can build something exceptional together!
    Featured Skill Hibernate
    MongoDB
    Amazon Web Services
    Spring Boot
    Spring Framework
    React
    Java
    SQL
    JavaScript
    Microservice
  • $80 hourly
    • 5.0/5
    • (6 jobs)
    I have 15 years of extensive experience and skills in End to End Web application development and Cloud solutions. Just give me your requirements, I transform it into a complete web application with a responsive UI, robust, reliable Backend API, then deploy your application on Cloud env. All in One!!! Technical skills: Frameworks: Spring, Hibernate, SpringBoot, React, Angular, Kafka, Webflux Languages: Java, HTML, JavaScript, SQL. Design patterns: Singleton, observer, factory method, façade, producer and consumer. Cloud: AWS EC2, ECS, DynamoDB, SQS, SNS, S3, Beanstalk, Route 53..., Openshift, Docker
    Featured Skill Hibernate
    AWS CloudFront
    Amazon Elastic Beanstalk
    Ext JS 6
    React
    HTML
    JavaScript
    AWS Lambda
    Spring Boot
    GitLab
    Spring Framework
    Git
    Amazon Web Services
    SQL
    Java
  • $55 hourly
    • 5.0/5
    • (33 jobs)
    I bring over 20 years of expertise in software development and implementation, delivering impactful solutions across diverse projects—from small-scale departmental applications to sophisticated enterprise back-office systems and eCommerce platforms. My experience spans multi-national corporate environments, where I have consistently driven success through innovation, scalability, and technical excellence. Software Development & Engineering * Java (Core, EE) 1.6, 8, 11, 17, 21 * Spring Framework (Core, Web, MVC, Data, Security, Cloud, Batch) * Spring Boot * Hibernate/JPA * JSF, JSP/Servlets, Struts * RESTful API development * Asynchronous messaging (Kafka, RabbitMQ) * Microservices architecture (DDD, API-first development) * Containerization (Docker) * Orchestration (Kubernetes) * CI/CD (Maven, Jenkins, Bitbucket Pipelines, Flyway, Liquibase) Front-End Development * JavaScript (Advanced) * React, Vue.js, jQuery, Ext JS, Kendo UI * XHTML/HTML5, CSS * Thymeleaf, JSP, JSF/PrimeFaces Database Design & Management * Microsoft SQL Server, PostgreSQL, MySQL, Oracle * NoSQL databases * Big Data Technologies (Apache Spark, Kafka) Cloud Computing & Infrastructure * Amazon Web Services (EC2, ECS, RDS, Lambda, Glue, CodeDeploy, CodeArtifact, SQS, SES, VPC) * CI/CD Pipelines (Bitbucket Pipelines, Jenkins) Application & Web Server Management * Apache Tomcat, JBoss, Oracle WebLogic Project Management & Agile Methodologies * Agile (Scrum, Kanban) * Sprint Planning, Stand-ups, Retrospectives * Jira Integration with Git Business & Technical Analysis * Requirements Gathering & Risk Analysis * Technical Design & Application Modeling * Implementation Planning & Support Industry Experience * FinTech, Healthcare, Legal Services, Retail B2C, Retail B2B, Education Services, Insurance, Logistics, Transportation, PharmaTech, Manufacturing, AdTech, Construction, Beauty, B2B, Nonprofit Services
    Featured Skill Hibernate
    Back-End Development
    Microservice
    Web Development
    Jakarta Server Faces
    Jakarta Server Pages
    PostgreSQL
    Microsoft SQL Server
    MySQL
    JavaScript
    Node.js
    React
    Spring Boot
    Spring Framework
    Java
  • $70 hourly
    • 4.9/5
    • (264 jobs)
    9 years of professional working experience. Masters in Software Engineering. (Award: Summa Cum Laude – Highest Honor), Virginia International University, USA 2016. Bachelor of Science in Computer Science & Engineering, Leading University, Bangladesh 2010. Awards: Best University Project Award 2009, Champion Inter University Programming Contest 2008. Expertise in - Core Java | Spring Boot | JPA | Hibernate | RESTful Web Service | Angular 6+ | AWS HTML | CSS | Bootstrap Wordpress | Shopify | Opencart Selenium | Protractor | Cucumber | Appium | JMeter. Maven | Eclipse | IntelliJ | Visual Studio Code | GIT | Bitbucket | Jenkin | GoCD | Rally Oracle | mysql | Hive | H2 | MS SQL Server | MongoDB Agile Scrum | TDD | ATDD | BDD | Kanban Window | Linux | Unix | MAC
    Featured Skill Hibernate
    Angular 6
    Java
    Spring Boot
    Bootstrap
    Java Persistence API
    WordPress
    HTML5
    JavaScript
  • $40 hourly
    • 5.0/5
    • (39 jobs)
    I am a java developer with more than 20 years of experience in the Java industry. I also do front end development using React framework. I am a lead/senior developer, self-discipline, hardworking, quick learning, good team spirit and honesty. I can design, code, improve web and backend applications and your IT infrastructure. My experience include web programming both front-end and back-end, development of interactive web application and mobile applications, use of modern technologies, Here is a draft list of technologies I am familiar with: Backend Technologies: ✓ Spring Boot Microservices, Spring Boot Cloud, Spring Security ✓ AWS Integration (Elastic Beanstalk, EC2, RDS, Elastic Search etc) ✓ Elastic Search / Integration / Querying ✓ SSO SAML 2.0 Authentication ✓ Netflix Eureka, Netflix Ribbon, Netflix Feign, Docker ✓ Service Mesh like Istio - Envoy Proxy, Netflix OSS Hystrix ✓ Consul, Config Server, Cloud Bus (Auto-Refresh) ✓ Zuul, Zipkin, Sleuth, Turbine ✓ RabbitMQ (Spring-AMQP), Kafka (Spring-Kafka and Kafka Stream), Spring Batch, Spring Cloud Data Flow (Remote partitioning, integration with Kubernates, Cloud Tasks etc) ✓ Grafana + Prometheus + Prometheus-jmx-exporter ✓ Docker Swarm, Kubernetes, Spring Cloud Security ✓ Java, J2EE, Spring Framework (MVC, Security, Remoting etc), Hibernate, Jasper Reports, ✓ SOA, RESTful Services, SOAP Services, Apache CXF ✓ Deep knowledge in wide range of web-scrapping and automation technologies. ✓ SQL and NoSQL databases. Wide experience with Postgres, MySQL, MSSQL, Oracle, MongoDB, Cassandra Front End Technlogies: ✓ React Web Application, GraphQL, RX-JS, Redux, ✓ Bootstrap, jQuery, AngularJS, DataTables, Extjs, Struts 2.x, jQuery Mobile etc. ✓ HTML 5, CSS 3.0, JavaScript, Responsive Web Design Servers and Tools: ✓ Jenkins, CI-CD, Gradle, Open Shift - OS ✓ Jboss 7, Tomcat, Apache ✓ SVN, GIT, JIRA, BitBucket, Hudson, Maven, Apache Ivy Competitive advantages: 1. Extended work experience 2. Analytical mentality 3. Easygoing, communicative, could easily work in team 4. Have leadership skills, can organize people 5. Flexibility, ability to cope with any difficulties during short time-period
    Featured Skill Hibernate
    Java
    AWS Application
    Spring Cloud
    Spring Boot
    AWS Lambda
    Spring Framework
    Microservice
    Web Services Development
    Ext JS
    AngularJS
    JavaScript
    Web Development
    Kubernetes
    CSS 3
  • $80 hourly
    • 5.0/5
    • (14 jobs)
    More than 30 years in IT with 24 years in US having worked both onsite and offshore models. Services based design and solution architecture for web applications and mobile apps. REST and SOAP services design and development. Designed complex and intricate applications in insurance, finance, manufacturing, mortgage banking, e-commerce. Lead solution architecture from inception to deployment in agile delivery of applications in AI including OCR, NLP and ML. Working on state-of-art Machine Learning and Natural Language Processing projects with Python and Java frameworks like Stanford Core NLP, NLTK, Keras and Scikit learn. Manage, design and architect solutions in Insurance Brokerage area using MEAN stack and Spring Boot REST Services for diverse applications such as Vehicle Exposure and Loss Runs. Performed POC with document ingestion using Bytescout Document Parsers SDK to process and extract data from PDF into JSON. Create architecture document for Security DevOps tools like ThreatModeler, Whitehat and Blackduck. Lead Solution delivery of Loss Run for USA and Canada. Created system architecture design and provided solution analysis with Python and AngularJS UI Web Frameworks for Front-end of an AI/ML NLP Engine. Solution leader and architect for on-premise and cloud based frameworks and implementation using Unqork and Anaplan products. Integration with Salesforce, Data Warehouse and Qlikview. Reviewed Unqork Low Code/No Code Platform and did product analysis and guided the product manager on features and functions. Attended Unqork Create Conference and wrote a technical feature of product platform. Design architecture for generic Document Interface Mean stack web app and services on premise and on AWS cloud enablement. Evaluate Outlook drag n drop Plugin and Outlook Exchange REST API with AZURE AD Authentication and Exchange Online O365. Compared RASA and NIA AI NLU Frameworks for Chatbot development. Created Conceptual Architecture of Client Onboarding Systems with Salesforce and CLM tools like Conga/DocuSign/Apttus. Create UML models and Architecture Design in Enterprise Architect tool for REST API for Account Team Management as a shared service framework exposed via Apigee. Act as an architect supporting Digital Customer Portal integrating via REST API and Mongo DB hosted on AWS. Lead architecture design for REX and Credit systems. Research Smartsheet integration with REST API via custom webapp or web hooks. Worked on Azure Architecture of on-prem to hybrid migration. Worked on manual profiling of different sites to determine the optimum architecture support. Architecture design of a Python-web app framework with integration of a Machine-Learning Engine.
    Featured Skill Hibernate
    Data Ingestion
    PHP
    MVC Framework
    Microsoft Azure
    Spring Framework
    JavaScript
    Solution Architecture
    Web Service
    Amazon Web Services
    Google Cloud Platform
    API
    Flask
    Python
    Java
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    I'm a designer and developer from the Silicon valley with a focus on e-commerce and digital products. I've worked with companies like Apple, Cisco, startups, non-profits, and agencies. I love to build products and services that stand out for passionate companies!
    Featured Skill Hibernate
    Spring Boot
    Java
    AWS CloudFormation
    Web Application Firewall
    AWS Lambda
    AWS IoT Core
    Ecommerce Website Development
    J2EE
  • $30 hourly
    • 5.0/5
    • (1 job)
    I have over 10 years experience building Java/J2EE based web applications for various domains from marketing, higher education, media, financial to pharma companies. Can build applications for small, medium and large size companies. Fundamentally strong in software development, coupled with attention to detail and excellent communication skills both oral and written, I offer quality services.
    Featured Skill Hibernate
    SQL Programming
    Web Services Development
    Spring Framework
    Python
    AngularJS
    Java
    JavaScript
    CSS 3
    HTML5
  • $56 hourly
    • 0.0/5
    • (0 jobs)
    Result-driven IT professional with referable & strong experience in designing web-based enterprise applications with Object Oriented, J2EE and Client Server Technologies.
    Featured Skill Hibernate
    Microsoft Azure
    Terraform
    Angular
    CI/CD
    JavaScript
    TypeScript
    JUnit
    Spring Boot
    RESTful API
    Java
    PostgreSQL
    Spring Framework
  • $30 hourly
    • 5.0/5
    • (1 job)
    Graduated from Georgia State University with proficiency in programming language using Java, SQL, Spring Boot, Angular, AWS, etc technologies. With more than 3 years of experience in software industry I am capable of developing highly standard, scalable, optimized and robust on demand enterprise level Web/Desktop Applications with Java Spring and Spring boot, Angular and JavaFX Expertise in: ✔️ Spring boot web application development ✔️ Spring boot Rest and Soap API development ✔️ Spring boot with Spring JPA (SQL/NoSQL) integrations ✔️ Web application development with angular + Spring boot ✔️ Web application development with Javascript + jQuery + Spring boot + angular ✔️ Provide development support for existing applications ✔️ API document with Swagger ✔️ Implements basic, token-based authentication (OAuth2.0, JWT) . ✔️ Oracle, MSSQL, SQL, MySQL Elastic Search ✔️ Profound Knowledge of SDLC and Software Testing Life Cycle ✔️ Excellent communicational, interpersonal, analytical and problem-solving skills. ✔️ Xcode and swift. ✔️ Auto Layout for all screen sizes. ✔️ Firebase Realtime Database/Cloud Firestore. ✔️Push notifications. ✔️Social Media Integration (Google, Facebook, Twitter etc.) ✔️ Submitting App to App Store. SKILLS: Back-End : ● Java, Spring (Core, Web, MVC, Security, JPA), Spring Boot, JAX-RS, JAX-WS, JavaFX and JavaSwing Mobile App Development: ● Xcode, Swift, Firebase AWS service : ● AWS Lambda, S3, EC2, VPC, Route53, RDS Database : ● MySQL, Oracle, PostgreSQL Front-End : ● HTML, Bootstraps, Angular 2+, Javascript, jQuery CICD pipeline and Container Orchestration : ● Jenkin ● Docker ● Kubernetes Server : ● Tomcat Version Control & Build Tool: ● Gradle, Maven, Git
    Featured Skill Hibernate
    Spring Boot
    Jenkins
    Docker
    Java Persistence API
    Oracle Database
    Spring Security
    Angular
    API Development
    WordPress
    AWS Application
    PHP
    JavaScript
    Java
    Web Service
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