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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 Plus 🌟 Oracle Java Certified 🌟100% Job Success Score 🌟 200K+ earned 🌟10,000+ hours of hands-on experience Hi, I’m Ankit Jain – a highly skilled software developer with expertise in building end-to-end solutions that drive business transformation. With over 10+ years of experience, I have worked across a diverse range of industries, delivering solutions in AI, cloud architecture, microservices, blockchain, mobile applications, and enterprise systems. I excel in turning complex requirements into robust, scalable applications that improve efficiency, reduce costs, and enhance user experience. 💻 Technical Expertise * Languages & Frameworks: Java, Spring Boot, Hibernate, Angular, React, Micronaut, REST APIs, GraphQL *Cloud & DevOps: AWS (Lambda, Fargate, API Gateway, S3, Cognito), Azure, Docker, Kubernetes, Jenkins, GitLab CI/CD *AI & Blockchain: OpenAI (GPT-3.5, GPT-4), Blockchain (Web3J, Smart Contracts, IPFS), Azure Open AI *Mobile & Web Development: React, Angular, Spring Boot *Database: PostgreSQL, MySQL, MariaDB *Messaging & Async Systems: Apache Kafka, SQS, SNS *Payment Gateway Integrations: Stripe, Razorpay, Braintree *Testing: JUnit, Mockito, TestRestTemplate, MockMVC *Tools: IntelliJ, Eclipse, Git, Maven, Tomcat, Atlassian Suite (Jira, Confluence, Bamboo) 🔧 Key Strengths *End-to-End Expertise: Proven experience in designing, developing, and deploying scalable microservices that power enterprise-grade solutions, from backend architecture to frontend interfaces and mobile applications. *AI & Blockchain Integration: I integrate cutting-edge AI technologies like OpenAI’s GPT-3.5 and GPT-4 into systems, as well as blockchain-based smart contracts to ensure secure, transparent transactions. *Cloud Solutions: Expertise in AWS and Azure cloud services to build, deploy, and scale applications. I leverage serverless technologies (AWS Lambda), containerization (Docker), and CI/CD pipelines to ensure efficient and cost-effective solutions. *Mobile & Web Development: I design and develop responsive, user-friendly web applications and mobile apps with React, Angular, and Spring Boot, ensuring seamless experiences across devices. *Performance & Security Focus: I place a strong emphasis on system performance, security, and clean code practices to ensure that all systems I build are highly optimized, secure, and maintainable. *Project Management & Collaboration: Experienced in working closely with cross-functional teams, conducting code reviews, ensuring adherence to best practices, and delivering high-quality products on time. *Client-Focused Approach: I prioritize understanding client requirements and translating them into practical, production-ready solutions with ongoing support and iterations as necessary. 🤝 Why Work With Me? ✔️ Proven Success: 10,000+ hours of hands-on experience across a diverse range of projects, ensuring high-quality delivery that exceeds expectations. ✔️ Top-Rated Plus: A trusted professional with a solid reputation for delivering cost-effective, high-quality solutions. ✔️ Versatile Solutions: Whether it’s building an AI-powered grant proposal system, a secure data marketplace, a healthcare management platform, or a mobile app, I offer end-to-end solutions tailored to your needs. ✔️ Deep Knowledge in Multiple Domains: From AI and blockchain to cloud infrastructure and enterprise software, I bring in-depth knowledge to every project. ✔️ Strong Communication & Commitment: I’m committed to clear communication, transparency, and meeting deadlines. I’m always available for regular updates, feedback, and collaboration. ✔️ Long-Term Partnerships: I build solutions that grow with your business, and I’m ready for both short-term tasks and long-term collaborations. If you're looking for a reliable, detail-oriented Java expert to build, scale, or maintain your application, let’s talk! 📩 Send me a message — I’d love to hear more about your project.

I have 8 years experience in web design and web development. After many years expanding my skillset working for an agency, I became a freelancer in order to offer more personal service and exceptional work product. As you can see by my ratings, I am accomplishing my goal! I have excellent interpersonal skills, consistently building rapport with clients and coworkers, and have advanced knowledge and experience with front-end and back-end web technologies such as HTML/XHTML, Bootstrap, CSS, XML, JSP and JavaScript with Ajax, JSON and jquery, WordPress, Joomla and Magento. I have very advanced knowledge of following: *Custom Web Design and Development *Customizing Templates *Plugin intergration and customization *PHP *HTML/CSS/Responsive Design *Bootstrap *JQuery *PSD to HTML *PSD to Wordpress *Squarespace *Wix *Shopify If you have a new project or need assistance with an existing website, let me know. I will respond to you promptly to determine if I am the right freelancer for the job!

💼 16+ Years of Experience 🧠 10+ Years as Architect 📚 Author: Java Hibernate Cookbook 🇺🇸 USA B1/B2 Visa Holder 📞 Voice AI & Calling Agent | 🤖 AI/ML | ⚛️ React | ☕ Java | 🚀 Node.js | 13+ Years | SaaS & Enterprise Systems I’m a seasoned Full-Stack Developer with over 16 years of experience building high-performance, scalable applications for startups and enterprises alike. My focus is on delivering quality SaaS-based and multi-tenant solutions tailored to client needs. I’ve worked across diverse industries including Banking & Financial Services, Healthcare, Transportation, Hospitality, HR, and IT. Whether leading offshore teams or managing projects solo, I bring strong technical leadership, clear communication, and business acumen to every engagement. 💼 Core Skills & Technologies Back-End Development: ○ Java, J2EE, Node.js, TypeScript ○ Spring Boot, Hibernate, Spring MVC, JDBC, JSP, Servlets, Backbase ○ Express.js, NestJS, Jest, Multer, Graphile Scheduler Front-End Development: ○ React, Angular (2+ to latest), Angular Material ○ HTML5, CSS3, SASS, SCSS ○ JavaScript, TypeScript, JSON Databases: ○ SQL: Oracle, MySQL, PostgreSQL, SQL Server, MariaDB ○ NoSQL: MongoDB, CouchDB, Couchbase, Firebase, DynamoDB, Apache Lucene Cloud Platforms: ○ Amazon Web Services (AWS), Google Cloud Platform, Microsoft Azure DevOps & Tools: ○ Shell Scripting, Jenkins, Kubernetes ○ Payment Integration: Stripe, PayPal ○ Industry Platforms: Backbase, EBICS 🧩 What I Bring to the Table ◎ Deep business understanding through real-world experience ◎ Proven success in enterprise-grade architecture & clean code delivery ◎ Strong communication, transparency, and professional integrity Let’s build something powerful together. I’m ready to support your project with skill, strategy, and sincerity.

I help businesses build secure, scalable backend systems and modern web applications using Java, Spring Boot, and Angular. My focus is not just writing code — but building production-ready systems that are stable, performant, and maintainable long-term. with several years of experience , I’ve worked on backend-heavy applications involving: • Secure REST API development (JWT, OAuth2, RBAC) • Microservices architecture & system design • Database optimization (MySQL, PostgreSQL, Hibernate) • Angular-based dashboards and enterprise UI systems • Performance tuning and build optimization 🔹 Recent Production Work 1. Secure File Sharing & Archiving System – Designed secure file upload/download APIs using Spring Boot – Implemented JWT-based authentication & role-based access control – Optimized database queries and improved backend performance – Ensured production stability and secure document handling 2. Nominee & Unclaimed Assets Management Platform – Designed backend architecture to manage financial asset records – Built REST APIs for asset tracking, nominee mapping, and claim workflows – Implemented structured database models for secure data handling – Integrated authentication and access control mechanisms – Focused on reliability, data integrity, and scalability 3. Employee Management & Analytics Dashboard – Developed REST APIs for employee, department, and access modules – Built Angular-based dashboard with filtering, pagination, and dynamic data loading – Implemented role-based access control – Optimized Hibernate queries to improve response performance I work best with startups and growing businesses that need: – Secure backend systems – Clean API architecture – Scalable web applications – Reliable long-term technical support If you're looking for a dependable full-stack engineer who understands system architecture — not just frontend screens — feel free to invite me to discuss your project.

Hi, I'm Priya a Senior Backend Engineer with 10+ years building scalable backend systems, cloud-native microservices and high-performance APIs in Java and Spring Boot. I now build AI features on top of those systems: RAG pipelines, agentic workflows, and MCP servers. I've worked with TCS, Capgemini and Hilti on mission-critical enterprise platforms and distributed systems used at scale. ━━━ WHAT I DO FOR CLIENTS ━━━ - Build secure, scalable REST APIs and microservices - Integrate third-party systems — CRM, ERP, eCommerce, marketing and payments - Migrate legacy systems to modern cloud stacks - Add AI-powered features to existing applications ━━━ AI & INTELLIGENT SYSTEMS ━━━ - MCP server development and deployment on Railway — built in TypeScript, and in Java using the MCP Server SDK for Spring Boot, so existing Spring services can be exposed directly as agent tools. - LightRAG knowledge bases — upload business documents and data, and the assistant answers user queries from that content and triggers downstream workflows. - Agentic AI workflows and RAG APIs, including multi-source retrieval. - Agents configured in Claude and TypingCloud. - LLM integration — OpenAI, Claude, Gemini, OpenRouter, Ollama. - Vector databases — pgvector, Pinecone, Qdrant. ━━━ INTEGRATIONS & AUTOMATION ━━━ - CRM & marketing — HubSpot, Klaviyo, Modash - eCommerce — Shopify - Workflow automation — n8n and Make, wired into backend services and agents - Rapid prototyping and internal tools with Lovable and Supabase ━━━ BACKEND & ARCHITECTURE ━━━ - Java, J2EE, Spring Boot, TypeScript / Node.js - Microservices — REST and event-driven, with Kafka and RabbitMQ - AWS — Lambda, EC2, ECS, RDS, API Gateway, S3, CloudWatch - Railway, Docker, Kubernetes, CI/CD pipelines - PostgreSQL, MySQL, MongoDB, DynamoDB, Supabase - Frontend — Angular, React, Thymeleaf ━━━ DOMAINS ━━━ Aesthetic/MedSpa CRM, Healthcare, Finance, Property Rental, Travel, Recruitment, Loyalty & Rewards. If you need a senior backend engineer who can build the system and think strategically about the architecture — message me with what you're building and your timeline.