Hire the Best Apache Struts 2 Freelancers
in India

Ex-Walmart Global Tech Engineer (Fortune #1 Company) | Backend, Full Stack & Cloud Engineer 4+ years of software engineering experience delivering scalable backend systems, SaaS platforms, cloud-native applications, workflow automation solutions, AI-powered products, and production-grade APIs. I've worked across enterprise and startup environments, delivering 20+ projects involving microservices, workflow orchestration, cloud infrastructure, DevOps automation, AI integrations, marketplace platforms, analytics systems, and large-scale business applications. At Walmart Global Tech, I built scalable backend services, APIs, workflow systems, and data platforms supporting enterprise-scale operations. My work focused on performance optimization, workflow automation, system reliability, cloud-native development, and large-scale data processing. I specialize in turning complex business requirements into reliable, scalable, and maintainable software solutions. 🚀 Backend Engineering ⭐ Java & Spring Boot ⭐ Node.js & Express.js ⭐ Python (FastAPI, Django) ⭐ PHP & Laravel ⭐ REST APIs & Microservices ⭐ OpenAPI / Swagger ⭐ Apache Kafka ⭐ Event-Driven Architecture ⭐ Camunda BPM & Workflow Automation ⭐ Apache Airflow ⭐ Third-Party API Integrations ⭐ Distributed Systems ⭐ System Design & Scalability Key Impact: ✔ Developed 100+ production APIs and integrations ✔ Improved API response times by 20–30% through performance optimization ✔ Built scalable systems processing millions of records ✔ Automated business workflows reducing manual effort by 50%+ 🎨 Frontend Development ⭐ React.js ⭐ Next.js ⭐ JavaScript ⭐ TypeScript ⭐ HTML5 & CSS3 ☁️ Cloud & DevOps ⭐ AWS Cloud Infrastructure ⭐ Docker & Containerization ⭐ Kubernetes ⭐ Jenkins ⭐ GitHub Actions ⭐ GitLab CI/CD ⭐ Infrastructure Automation ⭐ Deployment Automation ⭐ Linux Administration ⭐ Monitoring & Production Support ⭐ DevOps & Release Engineering Key Impact: ✔ Reduced deployment effort by 80% through CI/CD automation ✔ Improved release reliability through automated deployment pipelines ✔ Supported highly available production environments with strong observability practices 🗄️ Databases & Data Technologies ⭐ PostgreSQL ⭐ MySQL ⭐ MongoDB ⭐ Redis ⭐ SQL Server ⭐ Oracle Database ⭐ Elasticsearch 🤖 AI & Automation ⭐ OpenAI APIs ⭐ AI Integrations ⭐ Workflow Automation ⭐ AI-Assisted Development (Cursor, Claude, ChatGPT, GitHub Copilot) Key Impact: ✔ Built AI-powered workflow automation platforms ✔ Integrated AI services into production applications ✔ Automated content processing and operational workflows 🏆 Recent Project Highlights ✔ AI-Powered Workflow Automation Platform * Reduced manual processing effort by 50%+ * Integrated AI-driven automation into business workflows ✔ Enterprise SaaS Management Platform * Built scalable backend architecture and APIs * Improved operational efficiency through workflow automation ✔ Marketplace & Matching Platform * Implemented provider matching, notifications, and transaction workflows * Designed scalable backend architecture supporting future growth ✔ Enterprise Data & Analytics Platform * Processed millions of records through automated ingestion pipelines * Reduced reporting turnaround time significantly through automation ✔ DevOps Automation & CI/CD Platform * Reduced deployment effort by 80% * Improved release quality and deployment consistency ✔ Cloud-Native Backend Infrastructure * Designed scalable microservices and API-driven architectures * Implemented monitoring, observability, and production support workflows ✔ WiCAN / OBD Diagnostic Platform * Built backend integrations and CAN communication workflows * Developed hardware-to-cloud communication systems Why Clients Work With Me ⭐ Ex-Walmart Global Tech Engineer ⭐ 4+ Years of Professional Experience ⭐ 20+ Successfully Delivered Projects ⭐ Strong Backend, Full Stack & Cloud Expertise ⭐ Fast Execution & Ownership Mindset ⭐ Clean, Scalable & Maintainable Code ⭐ Enterprise + Startup Experience ⭐ Production-Grade Cloud Infrastructure Experience ⭐ Strong Debugging & Root Cause Analysis Skills ⭐ End-to-End Product Delivery Whether you need a scalable backend, workflow automation platform, AI-powered application, cloud-native architecture, marketplace platform, enterprise dashboard, SaaS product, DevOps automation, or complex system integration, I can help transform requirements into reliable, production-ready solutions.

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.

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, 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)

Java Spring Developer with over 15+ years of experience building scalable, high-performance solutions across diverse industries. Technical Expertise ✅Spring Ecosystem: Spring Boot, Spring Batch, Spring Cloud, Spring Security, Spring AOP, Spring MVC, JSP, Thymeleaf. ✅ AI : Claude , Codex , RAG ,Integration with OpenAI ✅Microservices & APIs: Microservices architecture, RESTful APIs. ✅Messaging & Event-Driven Systems: Apache Kafka, WebSocket, STOMP, Socket IO ✅Cloud Integration: AWS (ECS Fargate, S3, EC2, ALB, RDS). ✅Database Design: SQL (MySQL, Oracle, Yugabyte, PostgreSQL, MS SQL Server) ✅DevOps & Containers: CI/CD pipelines, Jenkins, Docker, Podman, Kubernetes ✅Search & Caching: Elasticsearch, Redis, Terracotta Caching ✅System Integration & Legacy Modernization: Seamlessly integrate modern applications with legacy systems ✅Frameworks & Tools: JHipster, Keycloak, Flowable, JBPM, Flyway, MapStruct, JavaFX, Java Swing ✅CMS Solutions: Documentum, Alfresco ✅XML & Web Services: SOAP, RESTful services ✅Reporting Tools: Crystal Reports, JasperReports, BIRT ✅Testing Framework/Tools: Junit5,Selenium,JMeter

Hello! I’m a Senior Backend Engineer with 10+ years of experience building scalable, secure, and high-performance systems using Java (Spring Boot), Python, and Node.js. I help businesses design and develop robust backend architectures, microservices, APIs, and AI-powered platforms—especially in healthcare, wellness, e-commerce, and AI-driven products. 🚀 What I can help you with: * Design & build scalable backend systems and microservices * Develop high-performance REST APIs using Spring Boot, FastAPI, and Node.js * Build AI-powered platforms using RAG pipelines, embeddings, vector databases, and LLM integrations * Implement secure authentication and authorization (Keycloak, JWT, OAuth2, Cognito) * Build event-driven systems using Kafka and RabbitMQ * Develop AI content and knowledge platforms with Next.js, Qdrant, and CMS integrations * Design healthcare integrations using FHIR and Azure Health Data Services * Optimize performance, scalability, observability, and fault tolerance 🛠️ Core Tech Stack: * Java, Spring Boot, Python, FastAPI, Node.js * Microservices, REST APIs, Event-driven Architecture * Kafka, RabbitMQ * MySQL, PostgreSQL, Qdrant * Keycloak, AWS Cognito, Spring Security * AWS, Azure (FHIR, Functions, Storage) * Next.js, AI/LLM integrations, RAG pipelines 🧩 Recent Work Highlights: -- AI-Powered Traditional Medicine Platform (AdiVaidya) * Built an AI-powered health content and knowledge platform focused on Ayurveda, Siddha, Unani, Homeopathy, and Naturopathy * Developed intelligent RAG pipelines using embeddings, vector databases (Qdrant), and LLM-based generation * Implemented semantic search, PDF parsing pipelines, structured AI content generation, and disease-specific retrieval workflows * Designed scalable backend APIs and AI microservices using Spring Boot, Python, and Node.js * Integrated SEO-driven content architecture, sitemap generation, analytics, and AI-assisted workflows -- Healthcare SaaS Platform (CareNexus) * Built scalable backend for patient care and remote monitoring systems * Integrated Azure FHIR services and AI-based patient assessments * Designed secure architecture using Keycloak and JWT-based authentication -- E-commerce Platform * Developed high-performance APIs using Spring Boot and Node.js * Implemented event-driven architecture using Kafka and RabbitMQ -- Secure Enterprise System (DoD Project) * Built backend services with AWS integrations * Focused on security, monitoring, scalability, and reliability

I’m a highly experienced Java Full Stack Developer with 12+ years in building secure, scalable web and enterprise applications. My expertise spans Java (7–21), Spring Boot, Hibernate, Angular, React, Next.js, REST/GraphQL APIs, and cloud services (AWS EC2, Lambda, RDS, S3, EKS). I’ve delivered solutions across industries like HRMS, eCommerce, Travel, Real Estate, and SaaS, and handled complex integrations with ERPs (NetSuite, SAP), GDS (Amadeus, Sabre), and payment/email/SMS gateways. Whether you need backend architecture, frontend development, API integration, cloud deployment, or end-to-end solutions—I'm ready to deliver clean, reliable, and business-driven code. 📩 Let’s collaborate and bring your vision to life! Languages, Tools and Technologies i've worked since last 12 years. Languages: Java (8–17), JavaScript, TypeScript, HTML5, CSS3, SCSS, SQL, NoSQL, GraphQL, Bash, Shell scripting, XML, JSON, YAML, WSDL, XSD Web Development ------------------- 1. CSS Frameworks: Bootstap, Tailwind. 2. Frontend Frameowrks: Angular (1.x - 17), ReactJS, React, NextJs, RxJs, NgRX, Redux, ExtJs. 3. Frontend UI Component Frameworks: PrimeNG, KendoUI, Quasar. 4. Mobile Frameworks: React Native, Java(MVVM). 5. Desktop Application Frameworks Java Swing, JavaFX 6. Backend technology & Frameowrks: JAVAEE, Struts, Spring, Springboot, Spring Security, Spring MVC, Spring Cloud, NodeJs. 7. Backend Caching Stores: Redis, Memcached 8. Search Framework: Elasticsearch, Apache Solr 9. Queue and Messaging Frameworks ActiveMQ, Kafka, SNS-SQS 10. API Standards and Protocols: Swagger/OpenAPI, GraphQL (basic), WebSocket/STOMP, SOAP, REST, MQTT, COM. 11. ORM Frameworks: JPA, Hibernate, Mybatis. 12. CMS Frameworks: Strapi, Payload. 13. Backend Templating Engines: JSP, JSTL, Thymeleaf, Freemarker, Primefaces. 14. Reporting Tools: Japser Report, Itext, Flying Saucer. 15. Gateway Framework: Zuul, Openresty, AWS API Gateway. 16. Web Servers: Tomcat, NginX, Jboss, Wildfly, Apache Karaf, Apache Httpd, Express. 17. Databases: PostgreSQL, MySQL, MongoDB, Neo4j, Sqlite. 18. Databbase Migration Frameworks: Flyway, Liquibase 19. Build Tools: Git, Gitlab, Bitbucket, Maven, Gradle, Docker, Docker Compose. 20. CI/CD Tools: Jenkins, Gitlab CI, Bamboo. 21. Artifecttory Framework: Nexus, Jfrog Artifactory 22. Container Orcastration tools & Frameworks: AWS EKS & ECS, Kubernetes. 23. Infrastructure Monitoring Tools & Frameworks: Prometheus, Grafana, Loki, Tempo, ELK (Elasticsearch, logstash, kibana) 24. Infrastructure provisioning Frameworks: Terraform 25. Cloud Providers: AWS, GCP, AZURE, HETZNER 26. Testing Frameworks Junit, Selenium, EasyMock, Mockito, HtmlUnitDriver 27. Web Scraping Framework Selenium Headless, HTMLUnitDriver, PhantomJs, Jsoup, Jmeter. 28. Profiling Tools VisualVM, Jprofiler, Yourkit. 29. Security Types & Tools: Password, Basic, Token, OAuth 2.0, SAML(SSO), LDAP, 2FA, Okta One Login, KeyClock 30, Compliances Awareness: GDPR, SOC2, POPIA, PCI-DSS ---------------- 1. Project Tracking Tools: JIRA, Trello, Clickup, Asana, Aiwi Team. 2. IDEs IntelliJ, Eclipse, Netbeans, VisualStudio 3. Cloud Services: AWS EC2, Beanstalk, Lmbda, Cognito, Batch, SNS, SQS, API Gateway, Load Balancer, Code Pipeline, Cloud front, ECR, ECS, EKS, DynamoDB, RDS, CloudWatch, S3. 4. ERPs & Integrations Netsuite, Broadleaf Commerce, Xero, Quickbook, SAP, GDS Systems like (Amadeus, Sabre, Galileo), AeroCRS, Radixx, American Express Virtual Card, Nightsbridge Hotel Supplier, EzShuttle, First Car, AVIS, Europcar, RouteSavvy Route Optimization, Google Maps. 5. SMS & Email Providers Twilio, Clikatell, Sendgrid, ZeptoMail, AWS SES, Custom Sendmail, Dovekot