Hire the Best Java Developers in Pune, IN

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.

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.

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.

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 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.

🌟 Top Rated Plus & Expert-Vetted Freelancer on Upwork 🌟 I’m a seasoned Software Engineer with 12+ years of experience in building high-performance, enterprise-grade applications and cloud-native platforms. I specialize in developing scalable multi-tenant SaaS products, AI-powered automation tools, and secure, cloud-based backend systems. I have led the end-to-end development of enterprise SaaS platforms used globally, with a focus on microservices architecture, event-driven design, and robust multi-region tenant isolation. My experience also extends to integrating advanced AI workflows into production systems using cutting-edge tools like OpenAI and Google Vertex AI. I bring a results-driven mindset, strong problem-solving ability, and the ability to align technology with business goals. Whether you need to build from scratch, modernize an existing system, or integrate AI, I can help deliver value quickly and reliably. 💼 Core Expertise • SaaS Architecture: Multi-tenant design, tenant-aware microservices, RBAC, region-based deployments • AI Integrations: OpenAI (GPT), Google Vertex AI, LangChain, Pinecone, embeddings, vector search, LLM agents • Cloud & DevOps: AWS (Lambda, ECS, RDS, Cognito), GCP (Cloud Functions, Cloud Run, BigQuery), Docker, Kubernetes, Terraform • Backend Development: Java (Spring Boot), Python (FastAPI, Django), Node.js (Express, NestJS), PHP (Laravel) • Frontend Development: React, Angular, Vue.js, Tailwind CSS • CI/CD & Monitoring: GitHub Actions, Jenkins, AWS CodePipeline, Prometheus, Grafana, ELK, CloudWatch • Databases & Caching: PostgreSQL, MySQL, MongoDB, DynamoDB, Redis If you’re looking for a developer who can take ownership, move fast, and deliver production-ready results, let’s connect. I’m confident I can help you build reliable software that scales with your business.