SUMMARY
Talented Software Developer equipped with great coding, debugging and project management abilities.
Accomplishes project goals consistently with elegant, scalable code. Works great with team members
under Agile and Scrum frameworks.
Apache Struts 2
Java
Spring Boot
Spring MVC
MySQL
HTML5
Desktop Application
Selenium
Data Scraping
Data Mining
Swagger
J2EE
REST API
Automation
Analytics Dashboard
Nitesh S.
Surat, India
$15/hr
5.0
17 jobs
If you’re looking for a Java engineer who builds production-ready systems—not just code, you’re in the right place.
I’m a Software Engineer with strong expertise in Java-based full-stack development, specializing in Spring Boot, Hibernate, and Microservices architecture. I help businesses design, develop, and deploy scalable, secure, and high-performance applications that work reliably in real-world environments.
HOW I HELP CLIENTS
✅ Build Java-based backend systems and RESTful APIs
✅ Design scalable microservices architectures
✅ Develop database-driven applications with clean data models
✅ Optimize performance, reliability, and maintainability
✅ Containerize and deploy applications using Docker and CI/CD pipelines
✅ Integrate AI-driven features such as Speech-to-Text (STT) and Text-to-Speech (TTS)
JAVA-FOCUSED TECHNICAL EXPERTISE
Backend & Application Development:
• Java, Core Java, OOP
• Spring Framework, Spring Boot, Hibernate, JPA
• RESTful APIs, MVC Architecture
• Microservices design
• Swagger for API documentation
Databases:
• MySQL, MongoDB, Oracle, Oracle RAC, etc.
• SQL optimization and high-availability systems
• Apache Kafka for messaging and event-driven systems
DevOps & Cloud:
• Docker, Jenkins, GitHub Actions
• CI/CD pipelines, AWS, Linux
• Tomcat, NGINX
• Monitoring: Prometheus, Grafana
Additional Skills:
• Node.js, PHP, Python (API development, automation), etc.
• AI & NLP integrations
• Speech-to-Text (STT) & Text-to-Speech (TTS)
• Frontend: HTML, CSS, JavaScript, JSP, Bootstrap, etc.
Methodologies & Soft Skills:
• Agile / Scrum workflows
• Strong problem-solving skills and attention to detail
WHY CLIENTS CHOOSE ME
✅ Strong experience with production-grade Java systems
✅ End-to-end ownership from development to deployment and support
✅ Clean, maintainable, and efficient code
✅ DevOps-aware, production-focused mindset
✅ Clear communication and dependable delivery
✅ Quick understanding of existing Java codebases
I don’t over-engineer solutions — I build practical Java systems that scale and last.
LET’S WORK TOGETHER
If you need a Java / Spring Boot / Microservices engineer with Docker, AWS, and real production experience, I’d be happy to help.
📩 Send me a message with your requirements, and let’s build something reliable.
Docker
Spring Boot
Thymeleaf
Hibernate
Spring MVC
MySQL
Java Servlet API
Microservice
Spring Framework
Jenkins
Java
JavaScript
Spring Security
Spring Cloud
Rushabh A.
Pune, India
$20/hr
5.0
3 jobs
I'm a Full-Stack Java Developer with over 8+ years of industry experience. I excel in all aspects of Java application development, from design and development to deployment. I have a proven track record of building robust and Scalable applications across diverse domains.
My Expertise
Full-Stack Development:
Java: Core Java, multithreading, OOP, Spring, Hibernate, Struts, J2EE.
Frameworks & Libraries: Spring, Hibernate, JavaFX, Apache Struts.
Microservices Architecture: Spring Cloud, Netflix OSS, service discovery, load balancing, tolerance mechanisms.
Web Development: JSP, Servlets, RESTful APIs, Angular, React, HTML, CSS, JavaScript.
Databases: MySQL, PostgreSQL, MongoDB, Redis.
Testing & Debugging: JUnit, Mockito.
I also use GitHub Copilot and Claude Code to deliver the best solutions.
✔ LLM integrations (OpenAI, Claude, etc.)
✔ AI-assisted workflow automation
✔ Prompt engineering & optimization
✔ RAG based enterprise search solutions
✔ AI code acceleration using tools like Cursor
✔ Designing AI-ready Microservices architecture
Java Solution Architect: Designing scalable solutions with Java, Spring, Hibernate, and microservices.
DevOps: Cloud setup, infrastructure management, CI/CD. Proficient in AWS (Lambda, EC2, S3, Redshift, SageMaker, Cognito) and GCP (VMs, Google cloud storage).
Domain Experience: Insurance, finance, healthcare, e-learning, e-commerce, travel, real estate, logistics, supply chain, social networking, and education. CRM and ERP systems.
Java
Spring Boot
Spring Batch
TypeScript
Microservice
MySQL
PostgreSQL
API
Google Analytics
ETL
Angular
Data Engineering
Angular 5
React
Hibernate
Apache Kafka
RESTful API
Spring Framework
Amul C.
Indore, India
$35/hr
4.9
26 jobs
✨ Top-Rated Full-Stack Java Developer | React/Angular | AWS 🚀
I build production-grade web apps with Java Spring Boot backends and React or Angular frontends. My focus is clean architecture, reliable APIs, and fast, usable UIs. I have delivered products in fintech, healthcare, logistics, and SaaS with payments, subscriptions, RBAC, audit trails, reporting, and real-time dashboards. I deploy on AWS with CI/CD.
🧩 What I Do
💹 Back-end: Java, Spring Boot, REST APIs, Microservices, Hibernate or JPA, OAuth2 or JWT, caching, queues
💹Front-end: React, Angular, TypeScript, Material or Ant, Redux or NgRx, responsive UI, accessibility
💹 Cloud and DevOps: AWS EC2, S3, RDS, Lambda, Docker, CI/CD, monitoring, cost control
💹 Data and Integrations: PostgreSQL, MySQL, Redis, webhooks, payment processors, third-party APIs
💹 Quality and Security: Unit and integration tests, code reviews, performance tuning, secure coding
🏆 Selected Wins
• Built a payments and settlements engine with ledger, refunds, disputes, webhooks, and reports
• Shipped a logistics load board with real-time tracking, bids, and document workflows
• Delivered a health portal with secure messaging, scheduling, and HIPAA-aligned controls
• Created operations analytics dashboards with drill-downs, alerts, and CSV or PDF exports
🔧 Services
• Full-stack feature development and refactors using Java with React or Angular
• API and microservices design, integrations, and webhooks
• Cloud deployment on AWS, CI/CD, and observability
• UI modernization with component libraries, state management, and performance tuning
🗂️ Tech Snapshot
• Back-end: Java, Spring Boot, Hibernate, JDBC, OAuth2, JWT
• Front-end: React, Angular, TypeScript, Redux, NgRx, Material, Ant
• Cloud: AWS EC2, S3, RDS, Lambda, Docker, GitHub Actions, Jenkins
• Data: PostgreSQL, MySQL, Redis, exports to CSV or PDF or JSON
• Tooling: Git, Maven, Gradle, Postman, JUnit, Mockito
If you want a reliable full-stack partner who can own a module end to end, design, build, test, and ship, let’s connect. 🙂
Apache Struts 2
Kotlin
API Integration
Docker
Angular Material
API
Google Cloud Platform
Spring Boot
Hibernate
React
Amazon Web Services
Azure DevOps
Back-End Development
Front-End Development
Full-Stack Development
Niravdas K.
Ahmedabad, India
$28/hr
4.9
18 jobs
✅ 8+ Years of Java Development Experience
⚡ Full-Cycle Backend Development & Architecture
⚡ AI-Powered Development for Faster Delivery & Better Code Quality
👀 Click Invite or Hire for Scalable Java Backend Solutions
Looking for a Java Developer who can build scalable backend systems, SaaS platforms, enterprise applications, and cloud-native solutions designed for long-term growth?
For 8+ years, I have helped startups, SaaS companies, fintech businesses, AdTech platforms, and enterprise organizations build secure, scalable, and high-performance software using Java, Spring Boot, PostgreSQL, MySQL, Kafka, GraphQL, AWS, Docker, Kubernetes, and modern cloud technologies.
From backend architecture and microservices development to legacy application modernization, API integrations, troubleshooting, cloud deployments, and AI-assisted engineering, I deliver production-ready solutions built to scale.
👉 WHAT YOU GET:
✔️ Java Backend Development & Software Architecture
✔️ Spring Boot Applications & Microservices
✔️ REST APIs, GraphQL APIs & Integrations
✔️ Cloud-Native Applications using AWS
✔️ AI-Assisted Development & Automation
✔️ Legacy System Modernization
✔️ Long-Term Support, Maintenance & Optimization
🏆 KEY ACHIEVEMENTS:
✔️ 8+ years building Java, Spring Boot, and enterprise backend applications
✔️ Built scalable SaaS platforms, fintech applications, AdTech systems, and enterprise software
✔️ Maintained and enhanced 15+ production microservices
✔️ Contributed to Adstrome, TrustArc, Acquia DAM, and Digi-Docket
✔️ Designed secure APIs, event-driven systems, and scalable architectures
✔️ Improved application performance through optimization and modernization
⚙️ CORE EXPERTISE:
✔️ Java, Core Java, Java EE, Spring Boot, Spring MVC, Spring Security
✔️ Hibernate, JPA, JDBC, MyBatis, ORM Frameworks, REST APIs, GraphQL APIs
✔️ Microservices Architecture, Apache Kafka, Event-Driven Systems
✔️ PostgreSQL, MySQL, Snowflake, Query Optimization
✔️ AWS, Docker, Kubernetes, Jenkins, Maven, Gradle, Git, GitHub, Bitbucket, Version Control Systems
✔️ Authentication, Authorization, RBAC, Multi-Tenant SaaS
✔️ ZK Framework & Enterprise Web Application Development
🛠 DEVELOPMENT & MAINTENANCE:
✔️ Web Application Development & Enterprise Software Development
✔️ Spring MVC & ZK Framework Application Development
✔️ Legacy Application Maintenance, Modernization & Application Upgrades
✔️ Feature Development & Application Enhancements
✔️ Bug Fixing, Root Cause Analysis & Production Support
✔️ Performance Bottleneck Analysis & Optimization
✔️ Memory Leak Detection & Resolution
✔️ Security Vulnerability & CVE Remediation
✔️ Third-Party API Integration & Business Workflow Automation
✔️ Performance Optimization & Scalability Improvements
☁️ CLOUD & DEVOPS:
✔️ AWS Cloud Services, Docker Containerization & Containerized Application Deployment
✔️ Kubernetes Container Orchestration for Scalable Cloud Infrastructure
✔️ Linux-Based Server Systems, Linux Server Administration & Linux Server Troubleshooting
✔️ Apache Tomcat Installation, Deployment, Monitoring & Performance Tuning
✔️ CI/CD Pipelines, Jenkins Automation, Git, GitHub, Bitbucket & Version Control Systems
✔️ Web Application Troubleshooting, Production Environment Support & Incident Resolution
🧪 TESTING & QUALITY:
✔️ JUnit, Mockito, Unit Testing & Integration Testing
✔️ Test-Driven Development & Automated Testing
✔️ API Testing, Debugging & Log Analysis
✔️ Root Cause Investigation & Production Stability
✔️ Code Quality Improvements & Maintainable Software Development
✔️ Regression Testing & Application Reliability Improvements
🤖 AI-ENHANCED ENGINEERING:
✔️ AI-Assisted Development & AI-Powered Coding Workflows
✔️ OpenAI API Integration, LLM Workflows & AI Automation
✔️ AI-Assisted Testing, Refactoring & Documentation
✔️ Faster Delivery Through AI-Enhanced Engineering
🏢 INDUSTRY EXPERIENCE:
✔️ SaaS Platforms & Enterprise Applications
✔️ AdTech & Programmatic Advertising
✔️ Fintech & Loan Processing
✔️ Privacy & Compliance Systems
✔️ Digital Asset Management
✔️ Multi-Tenant & White-Label Solutions
🚀 WHY CLIENTS CHOOSE ME:
✔️ 8+ Years of Java Development Experience
✔️ Enterprise SaaS & Microservices Expertise
✔️ Strong Spring Boot & Cloud-Native Skills
✔️ Scalable, Secure & Maintainable Solutions
Whether you need to build a backend platform from scratch, scale an existing SaaS application, maintain a legacy system, resolve performance bottlenecks, remediate security vulnerabilities, implement microservices, modernize enterprise software, deploy applications on Tomcat or Linux-based server systems, integrate AI capabilities, or optimize application performance, I can help.
Looking for a Java Developer, Senior Java Developer, Java Backend Developer, Spring Boot Developer, Java Architect, Backend Engineer, Enterprise Software Developer, API Developer, GraphQL Developer, AWS Developer, Cloud Engineer, Kafka Developer, Software Architect, Backend Architect, or Java Consultant?
Spring Boot
Spring Security
Microservice
Java
Core Java
Hibernate
Spring Framework
Spring MVC
Spring Batch
RESTful API
Jakarta EE
MySQL
Apache Kafka
JUnit
Java Servlet API
JSTL
Thymeleaf
Amazon Web Services
Back-End Development
Web Development
Ashok K.
Jaipur, India
$25/hr
4.9
46 jobs
Java Spring Developer with over 17+ years of experience building scalable, high-performance solutions across diverse industries.
Along with strong backend expertise, I also work with AI-assisted development tools and modern AI workflows, including Claude Desktop, Codex, and RAG-based solutions. This helps me build smarter, more efficient applications and improve development productivity where AI integration is needed.
Technical Expertise
Spring Boot, Spring Security, Spring Batch, Spring Cloud, Spring MVC
Microservices architecture and RESTful API development
AI tools and workflows: Claude Desktop, Codex, RAG
AWS cloud services including ECS Fargate, EC2, S3, ALB, and RDS
SQL databases such as MySQL, PostgreSQL, Oracle, and MS SQL Server
Docker, Jenkins, CI/CD, and containerized deployments
Legacy system integration and modernization
Elasticsearch, Redis, and caching solutions
Testing and quality assurance using JUnit, Selenium, and JMeter
Java
Spring Boot
RESTful API
SQL
Spring Batch
Spring Security
Docker
Documentum
Elasticsearch
Apache Kafka
Amazon ECS for Kubernetes
Microservice
Hibernate
Websockets
Swing
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