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I’m a passionate full-stack developer with over 3 years of experience working on a variety of projects, including high-impact assignments for Indian government ministries. My expertise spans across backend and frontend development, where I deliver efficient, secure, and scalable solutions tailored to client needs. Whether you're looking to build a robust application or enhance an existing system, I can provide quality results on time and within budget. Technical Expertise: ✅ Java Spring Boot Development – Building secure, scalable applications ✅ Thymeleaf – Seamless front-end integration ✅ Spring Security – Implementing RBAC and advanced security features ✅ API Development & Integration – Crafting and consuming APIs with ease ✅ PostgreSQL – Managing databases for high-performance systems ✅ Hibernate ORM – Streamlining database interaction ✅ HTML, CSS, Bootstrap – Responsive and clean UI development ✅ jQuery – Enhancing user interaction with dynamic elements ✅ Mobile Responsive Design – Ensuring your website or app works flawlessly across all devices ✅ Website Maintenance & Security – Keeping your site fast, secure, and up-to-date ✅ DNS/Hosting Setup – Managing technical setup for seamless deployment ✅ Speed Optimization – Enhancing website performance and load times ✅ WooCommerce & E-Commerce Development – Building and customizing online stores ✅ Theme Customization (Magento & WordPress) – Tailoring your platform to match your vision ✅ WordPress Development – Designing and developing custom themes, plugins, and more I’m committed to delivering high-quality work and exceeding expectations. Let’s discuss your project today—reach out with your requirements, and I’ll ensure you get the results you’re looking for!

✅ 100% Job Success Score 🕒 1400+ hours on Upwork I am a results-oriented bilingual who is willing to work with clients worldwide. In my case, I am open to working with startup companies, small businesses, and even multi-national firms. I am deeply involved in all my projects from start to finish. I listen to my clients attentively and provide them a vision for what they want, and then I collaborate with them to create and execute a plan of action. I continuously offer my clients the pros and cons of each choice they make and convey my recommendations for their selections. I would like to give quick short profile summary as below Skills ---------------------------------------------------------------------------------------- • 11+ Years of IT Experience relevant to Java with BFSI domain like Banking & Insurance • Core skills SpringBoot, RESTful webservices, Microservices, JPA • Experience in Unit Testing with JUnit5, Mock/Mockito • Good experience with working on front end applications using JavaScript, JQuery and Bootstrap. • Strong experience with Agile or Scrum methodologies. • Good communicator in English • Experience with SQL Databases (e.g. Oracle) • Strong experience with GIT/BitBucket, JIRA, Jenkins, Confluence, Docker. • Good experience working with Tomcat, Jboss, WildFly • Experience working on Cloud technologies (AWS) • Experience using Apache Solr • Good Experience developing unit / integration test cases using Junit /TestNg. • Experience in Integration, Component and End-to-End Testing • Knowledge of Behavior Driven Development (BDD) for automated acceptance tests • Good ability to understand and work with code developed by other developers. • Very comfortable to work independently with minimal supervision Why me? -------------------------------------------------------------------------------------------- -Provide High Quality Services -Delivers Bug Free Code -Good Listener and Great Communication Skill. -Uses Latest technology for Development. Services I provide ---------------------------------------------------------------------------------------- *Software Development *Web application, Development & Maintenance *Creating Template and Reports *Finding Bug and Resolve. *Solve Programming Problems. I would be happy if employed by you and will work to the best of my ability.

Greetings! I'm Abhishek, a Sr. Software Engineer with 15+ years of experience as a Full Stack Developer and 9+ years as a Cloud Engineer. Technology Stack Details: ✓ Java: Java (7,8,11), SpringBoot, Spring Data, Spring Rest, Spring Cloud, JavaEE, Hibernate ✓ Cloud: AWS, Google Cloud (GCP), Docker, Kubernetes, ECS, Cloud-native apps, scalable clusters, zero-downtime deployment. ✓ Databases: Oracle/PostgreSQL/MySQL, big volume storage (AWS Redshift, AWS Athena/S3, Aurora, Cassandra, HDFS), Redis, MongoDB. ✓ Security: OAuth2, OpenID Connect, JWT, SSO-Single Sign-On, CAS / LDAP ✓ Web: Bootstrap, React, Thymleaf, JavaScript, OAuth, Tomcat, Nginx. ✓ API integrations: REST, SOAP, WebServices, WebSockets, etc. ✓ AWS: Clusters, Kinesis, Athena, Redshift, DynamoDB, Lambda, IoT, SQS/SNS, CloudFront/Route53/ApiGateway, vast AWS API usage, and automation. ✓ Data streaming: AWS Kinesis, Kafka, Camel, RabbitMQ. ✓ Performance optimization: JMeter, JProfiler, AWS X-Ray, GTMetrix, Gatling. ✓ CI/CD: Bamboo, Jenkins, Circle CI, Sonar, pipelines. ✓ Others: Maven, Gradle, Swagger, Linux, Git. 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are immensely important to me and the value that I provide. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW" ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✅ Resilience: Reach out to any of my Current of Former Clients and ask them about my Resilience. Any issue that my Clients face, I attack them and find a SOLUTION. ✅ Kindness: One of the biggest aspects of my life that I implement in every facet of my life. Treating everyone with respect, understanding all situations, and genuinely wanting to IMPROVE my Client's situations. I am eager to work with you, to provide reliable, consistent, and High-Level solutions to design/development challenges. Please contact me, so we can discuss how we can work together to FULLY meet your Business Needs!

Hi, I’m a Senior Full Stack Developer with 8+ years of experience building scalable, secure, and high-performance web applications. I specialize in Java, Spring Boot, React, Angular, AWS, and modern cloud-native architectures, helping businesses transform ideas into reliable, production-ready software. Over the years, I’ve delivered enterprise applications across healthcare, finance, and business automation domains. My expertise spans backend development, modern frontend frameworks, cloud deployment, API integrations, and system architecture. Core Skills • Java, Spring Boot, Hibernate, JPA • React, Angular, TypeScript, JavaScript • REST APIs, Microservices, GraphQL • AWS (Cognito, EC2, S3), Docker, Kubernetes • MySQL, PostgreSQL • Spring Security, OAuth2, JWT Authentication • AI/LLM Integrations & Workflow Automation (n8n) • Xero, Sage & Third-Party API Integrations I have extensive experience designing scalable REST APIs, modernizing legacy applications, integrating cloud services, and building secure authentication systems. I’ve also led engineering teams, mentored developers, conducted code reviews, and driven technical decisions for enterprise-scale projects. I focus on writing clean, maintainable code, communicating clearly, and delivering high-quality solutions on time. Whether you need a complete full-stack application, backend APIs, frontend development, cloud integration, or ongoing technical leadership, I’m ready to help.

✅ 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?

I build backend systems that hold up under real production load not demos. 8+ years shipping Java/Spring Boot microservices, REST APIs, and AWS-deployed systems across logistics, e-commerce, and enterprise platforms, including work on a mission-critical aerospace application for 𝑻𝒉𝒆 𝑩𝒐𝒆𝒊𝒏𝒈 𝑪𝒐𝒎𝒑𝒂𝒏𝒚. Core expertise: ▪️ 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, ActiveMQ, RabbitMQ) ▪️ AWS, Docker, Kubernetes ▪️ Secure APIs (Spring Security, JWT, OAuth 2.0) ▪️ Legacy system modernization ▪️ Full-stack development (React, Angular, Node.js) AI-assisted development, done responsibly: I pair Claude Code and Gemini Pro with strict human review and test-gated merges. Every AI-generated diff is reviewed like a teammate's pull request, and nothing merges without passing JUnit/Mockito test suites. This means faster delivery without cutting corners on quality, not just "I use ChatGPT." What I deliver: production-grade Spring Boot applications, high-performance backend APIs, scalable microservices, enterprise integrations, and cloud-ready AWS deployments, plus the performance tuning and debugging work that keeps systems reliable after launch. I focus on clean architecture and practical solutions over overengineering. If you're looking for a Java/Spring Boot expert who takes ownership, communicates proactively, and ships on time, let's talk about your project.