Hire the Best J2SE Specialists in Pune, IN

Top-Rated Java Developer | $40K+ Earned | 100% Job Success With over $40K earned on Upwork, I am a highly skilled Java Developer with experience across 8 international projects. My expertise has consistently earned me 5-star ratings, making me a top-rated freelancer on the platform. I specialize in Java and J2EE technologies, delivering robust and scalable solutions that exceed client expectations. Highlights: - 8 International Projects successfully completed, including complex real-time systems and enterprise applications. - $12,460 Project for Java Stream Analyzer using Esper CEP and Spring Boot. - 500+ Hours dedicated to delivering high-quality solutions for clients globally. Client Feedback: "Ashish is the best developer we’ve worked with so far!" "Exceptional Java expertise with a perfect blend of professionalism and dedication." Looking for a reliable and proficient Java Developer? Let’s connect and bring your project to life with top-tier development services. Availability: More than 30 hours/week | $30/hr

I'm Vishwa, a results-driven software engineer with 5+ years of experience building scalable backend systems, automating workflows, and migrating enterprise applications to the cloud. I specialize in Java, Spring Boot, AWS, and SQL, and I thrive on solving complex problems with clean, efficient code. 💡 What I Do Best: • Backend Development: Architecting robust REST APIs and microservices using Java, Spring Boot, Maven, and JPA. • Cloud Engineering: Migrating legacy systems to AWS, implementing CI/CD pipelines with CDK, and securing applications with Vault. • Automation & Testing: Saving hundreds of manual hours with Selenium-based automation and ensuring reliability with JUnit & Mockito. • Performance Optimization: Upgrading systems (Java 11 → 17, Spring Boot 2 → 3) for better speed, security, and scalability. • UI Integration: Building responsive frontends with React.js and integrating seamlessly with backend services. 🏆 Highlights: • Automated credentialing workflows saving 200+ hours of manual effort. • Migrated and modernized enterprise apps for Mastercard, Barclays, and Principal Global Services. • Winner of Star of the Quarter and Best Mentee awards for outstanding contributions. • Certified in AWS Development, Java Programming, and SQL. 🚀 Why Work With Me: Even though I’m new to freelancing, that gives you a unique advantage—this project means everything to me. I’ll work harder than anyone else to deliver exceptional results because earning a 5-star rating is my top priority. You’ll get my full focus, energy, and commitment to quality, reliability, and clear communication. Whether you're launching a new product, optimizing legacy systems, or scaling to the cloud, I bring hands-on experience, proactive collaboration, and a passion for clean architecture. Let’s build something reliable, secure, and future-proof.

⚡ Great software isn’t just built it’s architected for scale, performance, and intelligent automation. I’m a Senior Full-Stack Java Architect with 10+ years of experience building secure, scalable, and production-ready applications for startups and enterprise teams. I don’t just write code I design systems that are reliable today and adaptable for tomorrow. My strength lies in combining deep Java engineering with modern AI capabilities to deliver smarter software, faster development cycles, and long-term business value. 🚀 What I Deliver • Enterprise-grade backend systems (Java, Spring Boot, Microservices) • Scalable SaaS and cloud-native applications • High-performance frontend applications (React, Angular) • Secure APIs and system architecture • AI-powered automation and intelligent workflows → Built for performance, scalability, and real-world usage. 🤖 AI & Intelligent Automation I integrate modern AI capabilities directly into applications to unlock real business value: • OpenAI, Claude, Gemini • LangChain, LlamaIndex • RAG pipelines & semantic search • Vector databases (Pinecone, FAISS) • AI agents & workflow automation Use cases delivered: • AI chatbots & virtual assistants • Document processing & summarization • Knowledge search systems • Business workflow automation → Turning traditional software into intelligent systems. 🛠 Core Technical Expertise Backend & Architecture Java • Spring Boot • Microservices • REST APIs • Hibernate • Secure system design Frontend React • Angular • Next.js • TypeScript • Performance-focused UI Cloud & DevOps AWS • Docker • CI/CD pipelines • Scalable deployments Databases MySQL • PostgreSQL • MongoDB 🌟 Why Clients Work With Me ⭐ Architecture-first approach (not just coding) ⭐ Clean, maintainable, production-ready code ⭐ Strong focus on performance & scalability ⭐ Clear communication and ownership ⭐ AI-enhanced development for faster delivery 💡 What You Can Expect If you're looking for someone who can think beyond development someone who understands architecture, scalability, and modern AI-driven systems I can help you build software that truly supports your business growth. 📩 Let’s Build Something Powerful Whether you're building a new product, scaling an existing system, or integrating AI into your platform I’m ready to help. Let’s discuss your project.

I build scalable, high-performance backend systems that handle real-time data and production workloads. With 10K+ earnings, 900+ hours, and 5★ client feedback, I help startups and enterprises develop reliable backend services using Java and Spring Boot. 💡 What makes me different: I don’t just write APIs — I design systems that scale, perform, and are easy to maintain. 🔹 Core Expertise: - Spring Boot REST API development - Microservices architecture - Real-time systems using WebSockets - Event-driven systems with Kafka - Secure authentication (JWT, OAuth2) - Database design (MySQL, PostgreSQL, Hibernate) - Performance optimization & bug fixing 🔹 Proven Experience: - Built backend systems for banking & fintech applications - Developed real-time data systems (WebSocket + Kafka) - Delivered production-grade microservices architectures - Completed 14+ projects with consistent 5★ ratings 🔹 Selected Work: - Real-time stock system (live updates using WebSockets) - Spring Boot microservices backend (serverless architecture) - JavaFX + backend integrated systems 🔹 Why clients trust me: ✔ Clean, production-ready code ✔ Clear and fast communication ✔ Reliable delivery & long-term support Available: 40hrs/week Hourly Rate: $15–20 (flexible for long-term projects) If you need a backend engineer who understands scalability, real-time systems, and production challenges — let’s discuss your project.

𝗛𝗜𝗥𝗘 𝗙𝗢𝗥 𝗔 𝗪𝗘𝗘𝗞 𝗔𝗧 𝗙𝗥𝗘𝗘 𝗢𝗙 𝗖𝗢𝗦𝗧 𝗧𝗢 𝗧𝗘𝗦𝗧 𝗧𝗛𝗘 𝗦𝗞𝗜𝗟𝗟𝗦 𝗔𝗡𝗗 𝗖𝗢𝗠𝗣𝗔𝗧𝗜𝗕𝗜𝗟𝗜𝗧𝗬 𝗪𝗜𝗧𝗛 𝗧𝗘𝗔𝗠! This Offer Valid Only if YOU are Planning to HIRE for 3+ Months. I am an experienced Software Developer and Project Manager with strong core language knowledge and experience in developing and designing applications with high performance. Tools & Technologies: ✔ Core Java, Spring, Play Framework, Hibernate, JavaFX, Golang, Laravel, Lumen, Node, AngularJS, and MVC ✔ REST APIs integration ✔ MY SQL, Mongo DB, SQL Server, Oracle ✔ AWS EC2, AWS S3, AWS SES ✔ Work with Payment Gateways. ✔ Version Control Tools - Git / Github / SVN / BitBucket ✔ HTML, CSS, Bootstrap, SCSS, LESS etc. ✔ Adobe Photoshop, Illustrator, XD, Zeplin, Figma 💻 Build your web product with React.JS/Next.JS (frontend) and AWS Serverless (backend) 💻 Deploy final package to any cloud providers: Heroku, Digital Ocean, or AWS 💻 Conduct any of code review, structure and technical refactoring of existing codebase. 💻 Participate in optimizing and enhancing website speed, security and reliability. 💻 Configure and setup any of automated DevOps pipeline deployment. 🤷‍♂ ️Something else missing? Feel free to throw it up to me. Challenge accepted! 🌐 𝐑𝐄𝐀𝐂𝐓.𝐉𝐒 ✅ 𝐒𝐒𝐑: Next.js ✅ 𝐑𝐎𝐔𝐓𝐈𝐍𝐆 & 𝐒𝐓𝐀𝐓𝐄: react-router, react-redux, react-mobx ✅ 𝐔𝐈: coreui/react, material-ui, ant-design, reactstrap, ag-grid/react-table, react-chartjs-2/ recharts, react-spinkit, react-datepicker/material-ui-datepicker, pdfkit/jspdf ✅ 𝐍𝐄𝐓𝐖𝐎𝐑𝐊𝐈𝐍𝐆: axios, swr, fetch, react-toast/notistack ✅ 𝐈𝐌𝐀𝐆𝐄: react-image-lightbox, react-svg-pan-zoom, react-slick ✅ 𝐓𝐃𝐃: jest, enzyme, react-test-renderer ✅ 𝐂𝐌𝐒: strapi ☁ 𝐀𝐖𝐒 ✅ 𝐅𝐑𝐀𝐌𝐄𝐖𝐎𝐑𝐊: Serverless, AWS SAM ✅ 𝐋𝐀𝐍𝐆𝐔𝐀𝐆𝐄𝐒: Java, Python, Node.js ✅ 𝐀𝐖𝐒: Lambda, DynamoDB, RDS, API Gateway, Route53, Cognito, SES, S3, CloudFront 👀 Are you hunting for a result-oriented and cost-effective developer? 👀 Are you looking for a contributor as well as a problem solver? 👀 Are you searching for a contractor without working burdens? I’m glad to provide the best communication and help you kick the maximum out of your project with the most practical solutions. Send me the technical specs of your project and see if we are a good fit for each other. 🙋 Let’s bring your App to another level!🚀

Profile I am a highly skilled and reliable Java developer looking to work as a software developer at a leading software company. i have Worked on multiple technologies Java, CSS, HTML, React, Javascript , Springboot and Hibernate Hands-on experience in Core Java, RESTful Web Services, Hibernate ,React, Springboot and mainframe technology including jcl , cics, db2, REXX, cobol, SQL. I have 3+ years of industry experience in the application development and Legacy application migration. Experience in all the stages of the Software Development Life Cycle (SDLC) including solution design, requirements analysis,integration testing, development, production rollout and on- going support.