Java Backend / Full Stack Engineer | 5 years of experience | Noida, India
I design and build scalable enterprise applications with Java, Spring Boot and React. My recent work covers Spring AI and RAG pipelines, secure REST APIs (JWT, RBAC, OAuth 2.0), event-driven systems with Kafka and MQTT, and production observability. Open to Java and Full Stack roles.
| Area | Tools |
|---|---|
| Backend | Java 8, Spring Boot, Spring MVC, Spring Security, Hibernate/JPA, REST APIs, Microservices |
| GenAI | Spring AI, LLM APIs, RAG, pgvector, Tool Calling, MCP |
| Messaging and Data | Kafka, MQTT, WebSocket, PostgreSQL, MySQL, Redis |
| Frontend | React.js, TypeScript, Next.js, Redux |
| Security | JWT, OAuth 2.0, RBAC, OWASP ZAP, XSS/CSRF protection |
| DevOps and Testing | Docker, CI/CD, AWS, Git, JUnit, Mockito, Jest, SonarQube |
| Role | Company | Period | Focus |
|---|---|---|---|
| FullStack Engineer | Jasper Colin | Apr 2025 - Present | Spring Boot backend for an enterprise customer-support platform, Spring AI with RAG and pgvector, JWT/RBAC with tenant isolation, SSE streaming, observability, CI/CD |
| FullStack Engineer | Aieze Vertex Pvt. Ltd. | Apr 2024 - Apr 2025 | Mobile Device Management platform: Spring Boot REST APIs, MQTT and Kafka event streaming, RBAC, JWT and OAuth 2.0 |
| FullStack Developer | Escale Solutions | Jul 2022 - Apr 2024 | Business workflow APIs, MySQL/PostgreSQL design and tuning, asynchronous processing with CompletableFuture for healthcare data |
| Java Developer | Droidsize Technologies | Apr 2021 - Jun 2022 | Backend modules, defect fixes, production debugging |
An end-to-end AI support platform built with React, Spring Boot and Spring AI. It uses a RAG pipeline with embeddings and pgvector to retrieve company knowledge and answer with source references, plus secure tool-calling workflows with JWT/RBAC authorization and real-time response streaming.
Stack: React.js, TypeScript, Java, Spring Boot, Spring AI, PostgreSQL/pgvector, Redis, Docker
B.E. in Electronics and Communication Engineering, Birla Institute of Technology, Mesra (2021)