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
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
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
Chandrabhan K.
Jaipur, India
$25/hr
4.6
23 jobs
Expert with a decade of experience in designing and developing ERP/SAAS applications from the ground up. I would like to understand your complete Project Scope/Requirements to successfully implement the logic and form a long-term professional relationship.
What will you get after hiring me for your project?
- I will design your solutions from scratch as per your unique needs and goals.
- Focused on Attention to detail, clean, well-structured code, and user-friendly experience.
- Your app will be built to handle growth and change for any kind of future requirements.
- I will work closely with you and your team collaboratively throughout the whole development process to ensure your satisfaction.
Technical Expertise:
Backend- Java, Java EE, Spring (MVC, Boot, Security, Data, Batch), Hibernate, Play, Tomcat, Jetty, Hbase, ELK, Apache Thrift/Kafka/Solr, Dropwizard, ElasticSearch, Jboss, GWT.
Frontend - Angular JS, React JS, Node JS, JavaScript.
Cloud and DevOps - Kubernetes, Cassandra, Redis, MongoDB, MySQL, SQL, AWS (EC2, S3, Lambda, etc.).
Let's come together and make this relationship successful by delivering the topmost quality.
React
Spring Boot
Play Framework
Microservice
Ansible
Apache Tomcat
MySQL
Spring Framework
AngularJS
Hibernate
Java
Kotlin
AWS Lambda
Elasticsearch
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
Vishal G.
Faridabad, India
$15/hr
5.0
9 jobs
⭐⭐⭐⭐⭐ Delivering scalable, high-performance applications that are built to grow with your business.
I am a Senior Java Full Stack Developer with 10+ years of experience building enterprise-grade backend systems, web applications, and scalable platforms across fintech, telecom, SaaS, healthcare, and operational domains.
I specialize in Java, Spring Boot, Microservices, REST APIs, React.js, PostgreSQL, Kafka, and cloud-native architectures, with a strong focus on performance, maintainability, and clean system design.
I have contributed to large-scale production systems for organizations such as Paytm and Airtel Africa, helping teams build reliable applications that serve thousands of users and business-critical operations.
Core Expertise
Backend Development
• Java, Core Java
• Spring Boot, Spring Framework
• Hibernate, JPA , Kubernetes
• REST API Development
• Microservices Architecture
• Kafka
• WebSphere
• Docker
Frontend Development
• React.js
• Next.js
• JavaScript
• HTML5
• CSS3
• Tailwind CSS
Databases
• PostgreSQL
• MySQL
• MongoDB
• SQLite
Architecture & Integrations
• Scalable System Design
• API Integrations
• Authentication & Authorization
• Payment Gateway Integrations
• Notification Systems
• Third Party Service Integrations
• Performance Optimization
AI Assisted Development & Productivity
• ChatGPT
• Claude
• GitHub Copilot
• Cursor AI
• AI Assisted Code Generation
• AI Powered Debugging & Refactoring
• Rapid Prototyping & Development Acceleration
• AI Enhanced Documentation & Code Reviews
What I Bring to Your Project
✅ Clean, maintainable, production-ready code
✅ Strong problem-solving and debugging skills
✅ Clear communication and reliable delivery
✅ Experience working in Agile development environments
✅ Effective use of AI tools to accelerate development while maintaining code quality
✅ Focus on scalability, performance, and long-term maintainability
Whether you need a Spring Boot backend, React frontend, REST API development, microservices implementation, system optimization, AI assisted development, or full stack application development, I can help turn your requirements into reliable, scalable solutions.
Let's discuss your project and find the best approach to achieve your goals efficiently.
Java
Spring Boot
Hibernate
React
MySQL
MongoDB
PostgreSQL
Apache Kafka
Docker
Angular
React Native
Flutter
Firebase
SQL
Node.js
Next.js
Tailwind CSS
Oracle Database
Microservice
JavaScript
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