Hire the Best J2SE Specialists
in India

I am a senior developer with 21 Yrs. of experience ( 12+ Yrs with JPMorgan and rest with Deloitte, HCL and other) in Java/J2ee, Python, Rest API, SOAP API, javascript, OAuth, SSO, Kafka, SpringBoot, HTML, CSS, PHP, Web Design, Web Development, React, Redux, Angular, e-commerce, Wordpress, Shopify, JPA, Cloud, AWS, Azure, GCP, Private cloud, JBPM, n8n, Oracle BPM, JMS, Hibernate, Struts, Spring Batch, ESB, Base44, Playwright, Selenium, JavaFX, Lisp, Prolog, Weka , OpenAI, Different Web as well as Application Servers, different Operating Systems and DBMS Tools, SQL, NoSQL, PostgreSQL, Mongo, Cassandra, MYSQL, Oracle, Supabase, AI, NLP, OpenAI, agent development, Wordpress, php , CI/CD, Agile and various open-source tools, technologies and frameworks. Some of the domains I have worked on are Banking, finance, Trade, Crypto, HR, Insurance, Learning, NLP, Healthcare, System architecture, Developers Tooling, Document management, AI, DevOps, Cloud, GCP, Hubspot, Quickbook, PandaDoc, Stripe, web3, Blockchain, etc. ********************************************************************* Experience Summary: Freelancing || Freelancing || Present Toyow || Solution Architect || Sep 24 to JAN 25 JPMorgan || Vice President || (Around 12 Yrs. Total) Deloitte || Senior Consultant/Specialist Senior || Jun 13 to Jun 15 HCL || Onsite/Offshore Dev lead || Sep 06 to May 10 Birla Soft Ltd || Software Engineer || Jan 06 to Sept 06 GIIT || Developer || Feb 05 to Oct 05 ************************************************************************* Some of the applications are as below: - Document generation system - Online translation system using NLP - Library management system - HRMS System - Networking system - Tools for Developer and Operate to build and deploy their applications. - Workflow as a service - Workflow Platform for Mutual Fund NAV processing (Fund accounting) - Prediction analysis for SLA miss. - A real time dashboard for fund processing - Messaging Platform supporting MQ, SFTP, REST, Kafka, FIX, - Trade instruction manager - Customer support system for Bank operators - Platform for Tokenization Assets using Blockchain - A social Media application - A insurance management Platform - Applications developed on Base44 - Loan record reports - OCR for healthcare reports and data processing. - ChatBot for Patient enquiry. - Coin analysis using AI (openAPI integration). - A Platform for affiliate marketing. - CI/CD for Gitlab and AWS.

When your backend is breaking under load, your microservices are drifting, or your APIs aren't talking to each other, I'm the engineer who fixes it without breaking everything else. I build and maintain production-grade systems using Java Spring Boot, React, Node.js, and cloud-native infrastructure. My work runs at scale: Microservices handling 20,000+ concurrent users (Spring Boot + Kafka + Kubernetes) REST APIs serving 50,000+ monthly users with clean contracts and error handling CI/CD pipelines on GitHub Actions and Jenkins with automated test gates AWS deployments (EC2, EKS, ECR, ALB) with zero-downtime rolling releases Elasticsearch integration cutting search response times from 800ms to under 200ms OAuth 2.0 + TLS security reducing vulnerability incidents by 70% What I help with: Java Spring Boot microservices, build, fix, optimize React frontend connected to backend APIs Kafka event-driven architecture Docker + Kubernetes deployments AWS cloud infrastructure CI/CD pipeline setup and maintenance API integration and debugging 100% Job Success · Rising Talent · 0-4hr response time If your system is slow, broken, or needs scaling, message me and I'll tell you exactly what's wrong.

Hi! I’m Rashu, an Expert Java Back-End Developer. Are you looking for a reliable, detail-oriented back-end developer who delivers high-quality, scalable, and secure solutions? With over 5+ years of hands-on experience in Java-based backend development, I specialize in building powerful server-side applications that drive performance and growth. 🔧 Technical Skills & Tools: 🖥 Backend Development - Java, Spring Boot, Hibernate, JUnit, RESTful APIs & Microservices Architecture ☁ Cloud & DevOps - AWS (EC2, S3, RDS) 💾 Databases & Version Control - SQL, MySQL, PostgreSQL Git, Bitbucket 🏥 Domain Experience: *Healthcare: Developed a complete Hospital Management ERP Software used for streamlining patient records, billing, pharmacy, and more. Banking: Worked on secure, transaction-heavy systems with robust authentication and compliance. *Voice Testing Applications: Built reliable and performance-oriented back-end components for voice-based testing platforms. ✅ Why Work With Me: *100% commitment to client satisfaction *Known for being detail-oriented, reliable, and deadline-driven *Clean, maintainable code with proper testing using JUnit *Strong communication skills and proactive problem-solving 📩 Let’s Get Started! Let’s build something great together. I’m here to bring your project to life with efficiency and precision. Send me a message and let’s talk about how I can help! **This is not a company or agency account. Only the profile name is of my firm's name but I am an Independent Freelancer and all the information is about me only.

I am a full stack developer with more than 15+ years of experience in Java Web Applications based out of Kochi India. Languages: Java/ J2EE, Javascript, HTML, CSS Backend Frameworks/ Libraries: Spring MVC, Spring Boot, Spring Integration, Spring Webflow, Spring Batch, Spring Reactive, Node JS Frontend Frameworks/Libraries: JSP, JSF, Primefaces, Bootstrap, Angular, React JS, Vue JS Database: Postgres, MSSQL, Oracle, MySQL, Mariadb, Redis, Neo4j, Cassandra, Mongo DB Cloud: AWS, GCP (Google Cloud), Azure, DigitalOcean Services: Authentication Services (Oauth, Auth0, Cognito, Keycloak), AWS Pinpoint, Databricks, Snowflake Open Source Projects: Archivesspace, Fineract, Hyrax Unit Testing: Spring Test, Mockito, EasyMock, PowerMock, Junit, Karate Other: OpenSearch, REST, SOAP, SDK, Mircroservices, API Integration Build Tool: Gradle, Maven, ANT CI/CD: Jenkins/ Bitbucket Pipeline/ Ansible/ Terraform Approches: TDD, BDD I have successfully worked with clients across various industries, including Fintech, Capital Markets, Banking, Insurance, Telecommunications, Retail etc and have a proven track record of delivering large-scale, enterprise-grade solutions. Whether you're looking for guidance on high-level architectural decisions or hands-on assistance with development, I can provide the expertise you need to drive success. Let’s connect to discuss how I can help you solve your technical challenges and create solutions that will scale with your business.

Senior Java Developer | Spring Boot Expert | Microservices | AWS | AI-Assisted Development I help businesses build scalable backend systems, enterprise APIs, and cloud-native applications using Java, Spring Boot, Hibernate, Microservices, AWS, PostgreSQL, MongoDB, Kafka, and modern AI-assisted development tools. With strong experience in Java backend development, I specialize in: ✔ Java 8/11/17+ Application Development ✔ Spring Boot & Microservices Architecture ✔ REST API Development & Third-Party Integrations ✔ Hibernate / JPA / Performance Optimization ✔ PostgreSQL, MySQL, MongoDB ✔ Event-Driven Systems (Kafka, Messaging) ✔ AWS, Docker, Kubernetes ✔ Secure APIs (Spring Security, JWT, OAuth) ✔ Legacy System Modernization ✔ Full-Stack Development (Angular, Node.js) ✔ AI-Assisted Development using ChatGPT, Claude AI, and GitHub Copilot What I Deliver • Production-grade Java Spring Boot applications • High-performance backend APIs • Scalable microservices architectures • Enterprise integrations and data-driven systems • Performance tuning, debugging, and system optimization • Cloud-ready deployments on AWS Why Clients Hire Me I focus on clean architecture, maintainable code, and practical solutions—not overengineering. By leveraging modern AI tools like ChatGPT, Claude AI, and GitHub Copilot, I accelerate development, improve code quality, generate documentation, and speed up debugging while ensuring every solution is thoroughly reviewed and production-ready. Whether you need: • A Spring Boot developer for a SaaS platform • A Java backend developer for APIs, integrations, or cloud applications • Help with microservices, performance optimization, or legacy modernization • A developer who combines deep engineering expertise with AI-assisted productivity I can help. I've worked on complex backend systems involving real-time event processing, enterprise integrations, database-intensive workflows, cloud-native deployments, and event-driven architectures. If you're looking for a reliable Java/Spring Boot expert who takes ownership, communicates proactively, and delivers scalable solutions on time, let's discuss your project.

Senior Software Engineer having 8+ years of experience with the below skills • 8 years of experience in the design/development of Java/J2EE-based systems and microservice systems. • Strong working knowledge in MVC Architecture and Frameworks – Spring and Spring Boot Framework. • 8+ Years experience in designing and developing Microservices architecture. • 8+ Years experience in Amazon Web Services • 8+ Years experience in Restful web services. • 8+ Years experience in MS-SQL, MONGO, and MYSQL Databases. • Having good working knowledge in Database related Performance engineering activities • 8+ Years experience in Docker Container and Kubernetes. • 8+ Years experience in Kafka Queuing system • Having experience with Designing, Developing, Configuring, and Testing Application environments using Java (Java, Servlets, JSP, JSTL, Java Beans, JDBC, HIBERNATE, Database Mapping, Log4j, HTML).