I'm a 3rd-year BCA student from Greater Noida, building backend systems in Java and working toward a Backend Developer internship.
- Built and deployed a live full-stack project — India Data Center Water Risk Tracker
- Solving DSA problems daily on LeetCode
- Targeting a Java/Backend internships and jobs by September 2026
- Core Java — Variables, Data Types, Loops, Arrays, Methods, Recursion
- OOP — Classes, Objects, Inheritance, Polymorphism, Encapsulation
- Collections — ArrayList, HashMap, HashSet
- Exception Handling — try, catch, finally, throw, throws, custom exceptions
- Generics, Lambda Expressions, Streams API
- Spring Boot — REST APIs, full CRUD, Service Layer, MySQL, JPA, Validation, Error Handling
- DSA Basics
- Deployed a live full-stack project with Render + GitHub Pages
- Started Interview Prepration
Languages: Java
Frameworks: Spring Boot
Database: MySQL
AI: Gemini API
Tools: Git, GitHub, Postman, VS Code, Railway
| Repo | What it is |
|---|---|
| india-water-risk-tracker | Live full-stack project — tracks groundwater stress for AI data centers across India |
| java-learning | Java learning journey — core concepts, OOP, Spring Boot, DSA, and projects |
| portfolio | Here is my portfolio website |
- Java Cheatsheet — quick reference for Java syntax
- Java Complete Notes — full notes from my learning journey
- LinkedIn: rajat-singh-29a52a328
- Email: rajatsingh12154@gmail.com