B.Tech CS · BIT Bangalore · 2023–2027

Abhinav
Kumar Singh

Java Backend Engineer focused on scalable systems, competitive programming, and clean architecture. CGPA 8.8.

LeetCode

1882

Peak Rating

CodeChef

1656

3★ Rating

Codeforces

1561

Specialist

01 About

Computer Science undergraduate at Bangalore Institute of Technology with a primary focus on Java backend development and competitive programming. I build clean, scalable backend systems using the Spring ecosystem — Spring Boot, JPA, Hibernate — with MySQL and MongoDB. Active on competitive programming platforms and have mentored 200+ juniors in DSA and programming fundamentals.

02 Skills
Languages Java (Core & Advanced), Python, C
Frameworks Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Hibernate, JDBC, Servlet/JSP
Databases MySQL, MongoDB
Architecture RESTful APIs, Microservices
CS Core DSA, OOP, DBMS, Operating Systems, Computer Networks
Tools Git, GitHub, Postman, JUnit
03 Projects

Heart Disease Predictor

PyTorch · Flask · Streamlit

Deep learning web app for heart disease prediction trained on 918 patient records. Achieved 89.67% accuracy using a feedforward neural network with preprocessing, feature scaling, and REST-based real-time prediction.

2026

Intrusion Detection System

Python · Networking · Security

Built an IDS to detect malicious users and suspicious activity in web applications. Implements traffic monitoring, anomaly detection, and alert generation for abnormal request patterns.

2026

Job Hiring Platform

Spring Boot · MongoDB · REST APIs

Backend for managing job postings, applications, and candidate profiles. RESTful APIs for recruiters and applicants to create, update, and retrieve hiring data with MongoDB for efficient document storage.

2025

Corporate Car Pooling System

Hackathon · Backend

Developed backend logic for ride allocation and user management under hackathon constraints. Finalist among 150+ teams at I-Solve Traffic Police Hackathon 2024.

2024

Event Management System

Spring Boot · MySQL

Complete CRUD operations with normalized relational schema design for event and participant management.

2024
04 Achievements
01 546+ coding problems solved across LeetCode, CodeChef, Codeforces, GFG, and HackerRank
02 LeetCode peak rating 1882 · CodeChef 3★ (1656) · Codeforces Specialist (1561)
03 Runner-Up at Ideaverse 2025 – Ghumo India
04 Finalist at I-Solve Traffic Police Hackathon 2024 — among 150+ competing teams
05 Mentored 200+ juniors in DSA and competitive programming fundamentals