Hire the Best Enterprise JavaBeans (EJB) Specialists in Gurgaon, IN

Hello, Thank you for checking out my profile, I'm an independent freelancer working in software dev for more than a decade now. Below is a quick overview of my core strengths as a solution developer and technical architect. Technical Overview: • Coded expense manager, flight data service, Battleship games, Bidding system, weather monitoring service, etc for multiple users. • The expert mode in REST API's development using Spring Boot 3/Spring Cloud Streams, Spring Security, and Spring Gateway along with microservice architecture. • In Databases, for RDBMS (Postgres, Mysql, Clickhouse), NoSQL (AWS Dynamo, MongoDB, Redis), and Elastic Search. • Extensively worked in AWS techs like SQS, SNS, Fargate (ECS), and MSK (Kafka). • Dockerized microservices and created CI CD pipeline for service deployment . • Have designed multiple complex systems from zero to full-fledged deployment in production. • A problem solver for any complex system with minimal guidance. You can count on me. How can I help you: • Have worked in multiple domains like banking, financial, telecom, gaming, travel, supply chain, etc so can help with any type of project. • Designed complex architecture in the past so can help in technical architecture space for pros and trade-offs of the current system. • Consult for any software development that needs data management or a high level of concurrency or even if you are stuck at an unknown place during development. Thanks. Looking forward to working with you. On Upwork have worked on Google API, AWS, Websocket, Otel, MongoDB, Postgres and Elastic search.

I am Web Developer with over 9 years of professional experience in Web Application Development. My Experience: ✔ Developed 15+ enterprise level website ✔ Developed 20+ e-commerce website ✔ Developed 50+ CMS website Tools & Technologies: ✔ Java, Spring, Hibernate, Node and Angular JS, Asp.net, and MVC ✔ REST APIs integration ✔ MY SQL, Mongo DB, SQL Server, Oracle ✔ AWS EC2, AWS s3, AWS SES ✔ Work with many Payment Gateways. ✔ Version Control Tools - Git / Github / SVN / BitBucket ✔ HTML,CSS, Bootstrap, SCSS, LESS etc.. ✔ Adobe Photoshop, Illustrator, XD, Zeplin, Figma

I am a Senior Solution Architect and hands-on Full-Stack Engineer with 13+ years of experience helping startups and enterprises transform business requirements into scalable, secure, cloud-native, and AI-enabled applications. My core expertise is Java, Spring Boot, Microservices, AWS, and enterprise architecture, complemented by modern technologies including React, Next.js, Angular, Node.js, NestJS, FastAPI, and Python. I can support the complete software lifecycle: Requirements → Solutioning → Architecture → Technology Selection → Development → Cloud → Production Solution Architecture & Solutioning: I translate business and technical requirements into practical, scalable solutions, covering: Solution and System Architecture: - Technology Stack Selection - API and Integration Design - Database Architecture - Cloud Architecture - Scalability and Performance Planning - Security and Reliability - Application Modernization - Technical Feasibility and Roadmap I select the technology stack based on the business problem, scalability, performance, security, budget, timeline, and long-term product roadmap. Java & Enterprise Development: - Java 8–21 - Spring Boot: Spring AOP, Spring Cloud, Spring Security, Spring Data JPA, Spring Batch - Micronaut - REST and gRPC - Microservices - Event-Driven Architecture - Apache Kafka - RabbitMQ - AWS SQS - Reactive Programming Modern Full-Stack Development: - MERN — MongoDB, Express.js, React, Node.js - MEAN — MongoDB, Express.js, Angular, Node.js - React.js / Next.js - Angular / Vue.js - Node.js / NestJS / Express.js - Python / FastAPI / Django - TypeScript / JavaScript - PostgreSQL / MySQL / MongoDB / Redis / DynamoDB Application Modernization: I help organizations modernize legacy applications and improve scalability, maintainability, security, and developer productivity. Typical modernization initiatives include: - Legacy Java → Spring Boot - Legacy UI → React / Angular / Next.js - Monolith → Modular Monolith / Microservices - On-Premise → AWS - Traditional Applications → Cloud-Native Architecture - Legacy APIs → REST / gRPC - Manual Deployment → CI/CD - Existing Applications → AI-enabled Applications AWS & Cloud-Native: Strong hands-on experience with AWS services including: EC2, ECS, EKS, Fargate, Lambda, API Gateway, S3, RDS, DynamoDB, SQS, SNS, EventBridge, CloudWatch, IAM, VPC Infrastructure and DevOps: Docker, Kubernetes, Terraform, CloudFormation, AWS CDK, Jenkins, GitHub Actions, GitLab CI/CD AI-Enabled Applications I help integrate AI into real-world business applications using: - Amazon Bedrock - LangChain - LangGraph - LangSmith - RAG - MCP - Agentic AI - CrewAI - Vector Databases - pgvector - ChromaDB - n8n Use cases include AI Assistants, Enterprise Search, RAG, Document Intelligence, AI Agents, Workflow Automation, and Decision Support. I use AI to accelerate development and automate workflows while keeping critical business decisions under appropriate human control. Security, Observability & Testing: Security: OAuth 2.0, JWT, SSO, RBAC, LDAP, OWASP Observability: Datadog, Prometheus, Micrometer, Grafana, Elasticsearch, OpenSearch, Kibana, New Relic Testing: Playwright, Selenium, Cypress, Appium, REST Assured, Postman, Testcontainers, WireMock, JMeter, k6 Domain Experience Fintech, Finance, Healthcare, Insurance, Manufacturing, Telecom, E-commerce, Recruitment, SaaS, and Enterprise Applications. Whether you need a Solution Architect, Java/Spring Boot Architect, Full-Stack Engineer, AWS Architect, Technical Lead, or AI Application Architect, I can help take your project from requirements to production.