Navneet Kumar

Navneet Kumar

System Engineer

New Delhi, IndiaSoftware Development
4roles
41skills
1education

About

Software Development Engineer building scalable backend services and distributed microservices using Java and Spring Boot, with experience in access control, database optimization, concurrency, and blockchain development.

Experience

System Engineer

Tata Consultancy Services (TCS)

Nov 2025 – Present · New Delhi, India

Build and maintain distributed microservices for the ITBA 2.0 Income Tax system using Java and Spring Boot. Designed and implemented role-based access control with Spring Security. Improved query performance through JPA and SQL optimizations, reducing latency in high-traffic record lookups. Participate in code reviews using Git.

Blockchain Intern

Antier Solutions

Aug 2025 – Oct 2025 · Mohali, Punjab, India

Developed and deployed Solidity smart contracts on Ethereum Goerli and Sepolia testnets. Tested transaction flows and validated distributed consensus behavior across the Ethereum network.

System Engineer

Tata Consultancy Services

10 mos · Delhi, India

System Engineer

Antier Solutions

2 mos · Chandigarh, India

Blockchain, Solidity, Ethereum

Education

Sant Longowal Institute of Engineering and Technology

Bachelor of Technology, Computer Science and Engineering

Dec 2021 – Jun 2025

CGPA: 9.10 / 10.0

Skills

JavaCC++JavaScriptSQLObject-Oriented DesignData StructuresAlgorithm DesignComplexity AnalysisDistributed SystemsProblem SolvingSpring BootSpring SecuritySpring Data JPANode.jsExpressREST APIsJWTMongooseReactContext APIReact RouterMaterial-UIHTML/CSSMongoDBPostgreSQLMySQLRedisGitDockerPostmanSwaggerMavenJUnit 5MockitoAgile DevelopmentSolidityEthereumCursor AIMicroservicesCore Java

Projects

Veggiemandala – E-Commerce Application

Built an e-commerce application using React, Node.js, MongoDB, JWT, and Redis. Implemented price-snapshot order data, atomic inventory updates, Redis product caching, an admin dashboard, a React Context cart, and JWT authentication with secure refresh-token handling.

BusGo – Bus Booking System

Built a bus booking system using Spring Boot 3, Java 17, JPA, JWT, React 18, and MySQL. Developed layered REST APIs, row-locking and database constraints to prevent double-booking, role-based authentication, and a decoupled fare-calculation module.

Volunteering

Core member

SLIET Software Development Club (SSDC) and Endeavour