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✅ 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?

Top Rated on Upwork | 100% Job Success Score | 18+ clients served I design and build backend systems that handle real production loads — scalable microservices, high-throughput REST APIs, and cloud-native Java architectures engineered for reliability and growth. I bring experience working on production-grade applications at SmartBear, building systems used in real-world environments with a strong focus on performance, scalability, and reliability. What I can help you with: 🔹 Scalable backend development — Java, Spring Boot, Microservices 🔹 REST API design, third-party integrations & payment gateways 🔹 Performance optimization — reduce latency, improve query speed & scalability 🔹 Microservices architecture & system design 🔹 CI/CD setup, Docker, code quality & API efficiency Core Technologies: 🔹 Backend — Java, Spring, Python 🔹 Databases — MySQL, PostgreSQL, MongoDB, Redis 🔹 Cloud & Deployment — AWS (EC2, S3, Lambda, RDS), Docker, CI/CD Every system I build is designed to be maintainable, scalable, and production-ready from day one. If you need a backend engineer who delivers results — let's talk.

I’m a Senior Java Backend Engineer with over 14 years of experience building mission-critical systems in fintech, with a strong focus on payments, lending platforms, and core banking solutions. I specialize in Java and Spring Boot, and design backend systems that are secure, scalable, and capable of handling high-volume financial transactions with consistency and reliability. I’ve worked on systems involving payment processing, transaction workflows, loan management, and integrations with external financial services and APIs. This includes designing and building robust microservices architectures that support real-time and asynchronous processing, ensuring data accuracy, fault tolerance, and seamless service communication. I understand the importance of idempotency, transaction integrity, and failure handling in financial systems where even minor inconsistencies can have significant impact. Security and compliance are central to my approach. I have strong experience implementing secure authentication and authorization using Spring Security, token-based systems, and role-based access control. I build APIs and backend services that align with financial industry expectations around data protection, auditability, and reliability. From a technical standpoint, I bring deep expertise in Spring Boot, microservices, REST API design, JPA/Hibernate, and relational databases like MySQL and PostgreSQL. I’m comfortable designing systems from scratch as well as improving and scaling existing platforms, optimizing performance, and ensuring stability under load. I also have hands-on experience with AWS and Google Cloud, and have worked on deploying and managing backend systems in cloud environments. I understand how to design cloud-ready architectures, implement CI/CD pipelines, and ensure systems are resilient, observable, and production-ready. What sets me apart is my ability to think beyond just implementation. In fintech systems, correctness, reliability, and long-term maintainability matter more than quick fixes. I focus on building clean, well-structured systems that not only meet current requirements but are also prepared for future scale, regulatory needs, and product evolution. If you’re building or scaling a payments platform, lending system, or core banking backend and need someone who understands both the technical and domain challenges, I’d be glad to contribute.

Hi, I’m Priya — a Senior Backend Engineer with 10+ years of experience building scalable backend systems, cloud-native micro-services and high-performance APIs using Java and Spring Boot. Also work on Railway , Supabase, MCP Server development. Good knowledge in TypeScript/NodeJS and front-end development, I help startups and businesses: ✔ Build secure, scalable REST APIs, micro-services ✔ Third party system integration, integrated more than 400 third party systems including CRM, ERP ✔ Migrate legacy systems to modern cloud stacks ✔ Integrate AI-powered features into applications ✔ Agentic AI, RAG pipeline development, MCP Server development, integrating Claude, Open AI, Openrouter, Ollama I’ve worked with global companies like TCS, Capgemini, and Hilti, contributing to mission-critical enterprise platforms and distributed systems used at scale. Domain experience include Aesthetic/MedSpa CRM, Healthcare, Finance, Property Rental, Travel, Recruitment , Loyalty/Rewards point. 🔹 Core Expertise Java, J2EE, Spring Boot, TypeScript, Microservices (REST, event-driven, Kafka, RabbitMQ) Frontend development on Angular , React, Thymeleaf AWS (Lambda, EC2, ECS, RDS, API Gateway, S3, CloudWatch) Docker, Kubernetes, CI/CD pipelines SQL & NoSQL databases (Postgres, MySQL, MongoDB, DynamoDB, Supabase) 🤖 AI & Intelligent Systems, MCP Server, Railway I also help teams integrate modern AI capabilities into their products: Agentic AI workflows RAG (Retrieval-Augmented Generation) APIs, Configured Light RAG for uploading kowledgebase, business data and based on that AI will respond to user queries and trigger workflow. OpenAI / GPT / Claude / Gemini integrations Vector databases (pgvector, Pinecone), MultiRAG, Quadrantu56t7gy obj AI÷≥;/m microservices & knowledge-base systems Implemented MCP servers and deployed on Railway. Configured Agent in Claud and TypingCloud. If you’re looking for a senior backend engineer who can both build strong systems and think strategically about architecture, I’d be happy to discuss your project.

With over 10 years of hands-on experience in Java, Struts, Spring, Spring Boot, and Liferay development, I specialize in building scalable, high-performance applications across various domains. I am proficient throughout the entire development lifecycle from initial design and coding to testing and deployment, with a focus on delivering solutions that exceed client expectations. My expertise includes: • Java/J2EE and Liferay Portal Development: Designing and developing robust applications using Java-based technologies. • Frameworks & Technologies: In-depth knowledge of Struts, Spring, Spring Boot, JPA, Hibernate, and Liferay, with a strong emphasis on creating scalable, maintainable solutions. • Agile Methodology & Project Management: Extensive experience in managing end-to-end development projects, ensuring timely delivery while adhering to strict budgets and coding standards. • Team Leadership: Proven success in leading and motivating cross-functional teams to deliver high-quality applications under tight deadlines. • RESTful Services Development: Hands-on experience in creating REST APIs using Spring and Jersey. • Frontend Technologies: Proficient in jQuery, YUI3, ExtJS, HTML5, CSS3, Bootstrap, and KnockoutJS, ensuring seamless user experiences. I am known for my strong problem-solving abilities, my attention to detail, and my capacity to work effectively under pressure. Whether collaborating with clients, leading teams, or handling complex technical challenges, I am committed to delivering results that drive business success.

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.