Hire the Best Apache Tomcat Developers

I am a senior software developer and architect (Total- 21 Yrs.) in Java/J2ee, Python, Rest API, SOAP API, javascript, OAuth, SSO, React, Redux, Angular, Kafka, SpringBoot, JPA, Cloud, AWS, Azure, 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, etc. ********************************************************************* Experience Summary: Freelancing || Freelancing || Present Toyow, Mumbai || Solution Architect || Sep 24 to JAN 25 JPMorgan, Mumbai || Vice President || Jun 15 to July 24 and May 10 to Jun 13 || (Around 12 Yrs.) Deloitte, Mumbai || Senior Consultant/Specialist Senior || Jun 13 to Jun 15 HCL Technologies || Onsite/Offshore Dev lead || Sep 06 to May 10 Birla Soft Ltd || Software Engineer || Jan 06 to Sept 06 GIIT, Gr. Noida || Developer || Feb 05 to Oct 05 ************************************************************************* Some of the applications are as below which I have developed/contributed. - 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)

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).

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.

If you’re looking for a Java engineer who builds production-ready systems—not just code, you’re in the right place. I’m a Software Engineer with strong expertise in Java-based full-stack development, specializing in Spring Boot, Hibernate, and Microservices architecture. I help businesses design, develop, and deploy scalable, secure, and high-performance applications that work reliably in real-world environments. HOW I HELP CLIENTS ✅ Build Java-based backend systems and RESTful APIs ✅ Design scalable microservices architectures ✅ Develop database-driven applications with clean data models ✅ Optimize performance, reliability, and maintainability ✅ Containerize and deploy applications using Docker and CI/CD pipelines ✅ Integrate AI-driven features such as Speech-to-Text (STT) and Text-to-Speech (TTS) JAVA-FOCUSED TECHNICAL EXPERTISE Backend & Application Development: • Java, Core Java, OOP • Spring Framework, Spring Boot, Hibernate, JPA • RESTful APIs, MVC Architecture • Microservices design • Swagger for API documentation Databases: • MySQL, MongoDB, Oracle, Oracle RAC, etc. • SQL optimization and high-availability systems • Apache Kafka for messaging and event-driven systems DevOps & Cloud: • Docker, Jenkins, GitHub Actions • CI/CD pipelines, AWS, Linux • Tomcat, NGINX • Monitoring: Prometheus, Grafana Additional Skills: • Node.js, PHP, Python (API development, automation), etc. • AI & NLP integrations • Speech-to-Text (STT) & Text-to-Speech (TTS) • Frontend: HTML, CSS, JavaScript, JSP, Bootstrap, etc. Methodologies & Soft Skills: • Agile / Scrum workflows • Strong problem-solving skills and attention to detail WHY CLIENTS CHOOSE ME ✅ Strong experience with production-grade Java systems ✅ End-to-end ownership from development to deployment and support ✅ Clean, maintainable, and efficient code ✅ DevOps-aware, production-focused mindset ✅ Clear communication and dependable delivery ✅ Quick understanding of existing Java codebases I don’t over-engineer solutions — I build practical Java systems that scale and last. LET’S WORK TOGETHER If you need a Java / Spring Boot / Microservices engineer with Docker, AWS, and real production experience, I’d be happy to help. 📩 Send me a message with your requirements, and let’s build something reliable.

Full Stack Java Engineer with 5+ years of experience building scalable, production-grade systems for logistics, food delivery, and enterprise platforms. I specialize in Spring Boot microservices architecture and AI-powered backend systems — designing end-to-end solutions that handle high traffic, complex workflows, and real-time data processing. My background in logistics technology means I understand not just the code, but the business operations behind it. What I bring to your project: - AI integration using OpenAI, Gemini, and LangChain4j for intelligent automation and chatbot backends - Microservices architecture with Spring Boot and Spring Cloud - Event-driven systems using Apache Kafka and RabbitMQ - Full stack development with React.js and Vue.js frontends - REST API design, development, and third-party integrations - AWS infrastructure — EC2, RDS, S3, deployment pipelines - Database design and optimization across MySQL, PostgreSQL, and Oracle - JWT-based authentication and Spring Security - Legacy system migrations and monolith-to-microservices transitions - Docker, CI/CD pipelines, and production deployment I have built and maintained systems processing hundreds of thousands of records daily — including a 2.5-year long-term engagement delivering a full-stack logistics and food delivery platform on AWS, earning a 5.0 rating across every review. I do not disappear after handing over code. I ask the right questions before starting, communicate clearly throughout, and flag issues before they become problems. Clients who work with me once tend to come back. 100% Job Success Score across every contract on Upwork. If you need a reliable full-stack engineer who builds intelligent, scalable systems — let's talk.

🚀 AVAILABLE FOR JAVA / SPRING BOOT | AWS CLOUD ENGAGEMENTS With over 8 years building backend systems as a Senior Java Developer, I solve complex technical challenges across the full stack from microservices to cloud-native infrastructure. Whether it's designing Spring Boot services, architecting AWS environments, or setting up DevOps pipelines, I bring the expertise that every Java Developer must have, combined with the cloud and infrastructure skills that modern systems demand. 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗕𝗮𝗰𝗸𝗴𝗿𝗼𝘂𝗻𝗱: ➡ Over 8 years as a Java Developer in end-to-end software development across the full delivery cycle. ➡ Designing Spring Boot microservices and high-performance Java applications for fintech, healthcare, SaaS, and e-commerce as a Java Backend Develope and now extending that into cloud engineering and DevOps. ➡ AWS Cloud Engineer - EC2, S3, Lambda, SQS, SNS, IAM, API Gateway, CloudFormation. I design and run cloud infrastructure, not just deploy to it. ➡ DevOps & CI/CD - Docker, Kubernetes (K8s), Helm, Terraform, Jenkins, Azure DevOps, OpenShift. Working with both AWS DevOps and Azure DevOps pipelines that ship code reliably. ➡ Network engineering in cloud environments ➡Over 20 completed projects as a java software engineer 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 𝗮𝗻𝗱 𝗙𝗼𝗰𝘂𝘀: ➡ Led cross-functional teams as a Senior Java Developer, delivering clean architecture and scalable cloud-connected solutions. ➡ Guided developers in Spring Boot, Java, and React as a lead Java Backend Developer, maintaining enterprise-grade quality standards. ➡ Consistently raised team output by implementing the best practices any Senior Java Developer is expected to own. 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 & 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 As a Java Backend Developer I work with: ✅ Languages: Java, Java 8, Java 11, Java SE, Java EE, JavaFX, SQL, JSON, XML, YAML, Python ✅ Frameworks: Spring (Spring Boot, Spring MVC, Spring Data, Spring Cloud, Spring Security, Spring AOP, Spring Batch, Spring WebFlux), Hibernate, JPA, Quarkus, React, Node.js As a Senior Java Developer, I use these to build enterprise applications that are maintainable, scalable, and secure. 𝐂𝐥𝐨𝐮𝐝, 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 ✅ AWS Cloud Engineer: EC2, S3, SQS, SNS, Lambda, IAM, RDS, API Gateway, CloudWatch, CloudFormation ✅ Azure Cloud Engineer: Azure DevOps, Azure Kubernetes Service ✅ Google Cloud Engineer: GCP core services ✅ Kubernetes, Helm, Docker, Terraform, Jenkins, Maven, Gradle, Git (GitLab, Bitbucket) ✅ AWS DevOps & Azure DevOps pipelines, OpenShift, Infrastructure as Code 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 & 𝐌𝐞𝐬𝐬𝐚𝐠𝐢𝐧𝐠 ✅ MySQL, PostgreSQL, MongoDB, Redis, DynamoDB ✅ Kafka, RabbitMQ, REST APIs, SOAP, gRPC, WebSockets 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐚𝐥 𝐏𝐚𝐭𝐭𝐞𝐫𝐧𝐬 & 𝐏𝐫𝐢𝐧𝐜𝐢𝐩𝐥𝐞𝐬 ✅ Architectures: Microservices, Event-driven, SOA, Monoliths ✅ Patterns: CQRS, Saga, Circuit Breakers, Service Discovery, Distributed Systems ✅ Principles: SOLID, Clean Code, Domain-Driven Design (DDD) A Java Developer must master these to deliver systems that scale that's what I build every day. 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐏𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬 ✅ Testing: JUnit, Mockito, TestNG, Unit & Integration Testing ✅ Methodologies: Agile (Scrum, Kanban), TDD, BDD ✅ Version Control: Git, GitLab, Bitbucket My workflow as a Senior Java Developer runs on Agile principles and a test-first mindset, producing applications that are production-ready from day one. 𝐀𝐫𝐞𝐚𝐬 𝐨𝐟 𝐀𝐜𝐭𝐢𝐯𝐢𝐭𝐲 Backend development • Full-stack development with Spring Boot + React • AWS cloud engineering • Azure cloud engineering • Google cloud engineering • DevOps & CI/CD • Network engineering • API integration • Cloud-native applications • SaaS platforms • Android Java development As a Senior Java Developer and aws cloud engineer, I cover the full path from backend code to cloud deployment. 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 During my career as a Java Backend Developer I've worked across: Fintech • Healthcare • E-commerce • Enterprise Applications • Cloud Computing • Telecommunications • Logistics • Travel & Hospitality • Media • Automotive • Blockchain • IoT • SaaS • Retail 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧𝐬 & 𝐑𝐨𝐥𝐞𝐬 ✔ Senior Java Developer ✔ Java Spring Boot Developer ✔ Java Backend Developer ✔ AWS Cloud Engineer / AWS DevOps Engineer ✔ Azure Cloud Engineer / Azure DevOps ✔ Google Cloud Engineer ✔ Kubernetes & Network Engineer ✔ API Developer ✔ Full-Stack Developer (Spring Boot + React) ✔ Android Java App Developer 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 ✔ Java Development Services ✔ Spring Boot Microservices Development ✔ AWS Cloud Engineering & Migration ✔ AWS DevOps / Azure DevOps Pipeline Setup ✔ Kubernetes Cluster Management ✔ Infrastructure as Code (Terraform) ✔ API & System Integration ✔ SaaS Application Development ✔ Android Java App Development ✔ Performance Tuning & Code Reviews 👉 Need a Java Developer who writes clean code and ships it to the cloud? Just drop me a message 04/06/2026