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rajSunny5714/README.md

🚀 Sunny Raj

Full-Stack Java Developer | Aspiring IAM Engineer

Building Secure, Scalable & Intelligent Applications 🔐

🙋‍♂️ About Me

Java Full-Stack Developer with 1.5+ years of experience building enterprise web applications using Java, Spring Boot, React.js, REST APIs, and SQL. Experienced in production support, API development, backend optimization, and secure authentication using JWT, OAuth 2.0, and SAML 2.0.

Currently exploring Microservices, AI applications with LLMs, RAG, LangChain, and Identity & Access Management (IAM) to build secure, scalable software solutions.

💼 Work Experience

🏢 Tata Consultancy Services (TCS)

Programmer
📍 New Delhi, India | 🗓️ Jan 2025 – Present

  • Resolved 20+ real-time production incidents per month for enterprise applications. Investigated and troubleshot REST API issues using Postman
  • Supported live production systems and ensured SLA-based issue resolution. Performed SQL/MySQL validations for production troubleshooting
  • Collaborated with cross-functional teams in Agile/Scrum environments. Maintained incident reports and technical documentation

🛠️ Tech Stack

Java Spring Boot Spring Security Spring AI REST API Hibernate JDBC React JavaScript Tailwind CSS CSS3 MySQL PostgreSQL AWS Docker JWT OAuth2 SAML IAM LLM LangChain RAG OpenAI API Python SQL Redis Apache Kafka Microservices SSO MFA OIDC Okta Git GitHub

🎓 Education

🎓 Master of Computer Applications (MCA) | 2025 – 2027

Indian Institute of Technology Patna
(Hybrid Full Time Programme conducted in collaboration with IITP & IIITR)

🎓 Bachelor of Computer Applications (BCA) | 2021 – 2024

B. R. Ambedkar Bihar University
📊 Score: 75.8%

🧠 Coding Profiles

🔥 LeetCode: 350+ DSA Problems Solved
🔥 DSA Practice: 500+ Problems across multiple platforms
🔥 Core CS: DSA, OOPs, DBMS, OS, Networking

🌐 Connect With Me

⭐ Always Learning | 🚀 Always Building | 🔐 Always Securing

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  1. FullStack_ECommerce-Project FullStack_ECommerce-Project Public

    This project is a production-grade Full Stack eCommerce application. I have made this repo to enhance my fullstack knowledge through ecom project.

    JavaScript

  2. IAM-Springboot-System IAM-Springboot-System Public

    I have made this repo to enhance my IAM management skills

    Java 1

  3. DSA DSA Public

    I solve problems regularly to improve problem-solving skills, algorithmic thinking, and coding efficiency, covering arrays, linked lists, stacks, queues, trees, graphs, recursion, and more.

    Java 1

  4. Url-Shortener-FullStack-Project Url-Shortener-FullStack-Project Public

    A full-stack URL Shortener platform using Spring Boot, Spring Security, and React.js. Supports JWT authentication, role-based access control, secure URL redirection, and a responsive user interface.

    1