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Aman Raj

Open to work2 years experience

Java Developer

West Bengal, KolkataTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Java Developer at Tata Consultancy Services

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

24 skills
cc++javareact.jshtml5css3javascriptspring bootspring mvcspring securityspring cloud gatewayhibernatejparestful apismicroservices architecturejwt authenticationmongodbmysqlpl/sqldockergitgithubpostmanswagger

Work Experience

Java Developer

Tata Consultancy Services (TCS)

Aug 2024 - Present Kolkata
  • Architected a unified Cancel Premium API consolidating 3 services into a single endpoint, cutting client-side API calls by 66% and improving response latency .
  • Designed and implemented 10+ production-ready REST APIs with input validation, global exception handling, and Swagger documentation, streamlining client integration via standardized request/response contracts.
  • Migrated 50+ Oracle PL/SQL stored procedures into Java Spring Boot services using Hibernate/JPA, JDBC, and custom utility classes, reducing query execution time by 40%.

Martian Summer Intern

Persistent Systems

Jun 2023 - Aug 2023 Remote
  • Optimized SQL queries for a live inventory management module, reducing average query response time by 30% under mentor supervision.
  • Applied database normalization techniques and wrote optimized queries as part of hands-on training modules.

Projects

NearBuy

Spring BootReact.jsMongoDB
  • Built a full-stack e-commerce platform with Spring Boot and React.js, supporting product discovery , cart management, and end-to-end order placement for multiple store vendors.
  • Developed a responsive React.js frontend with dynamic routing, reusable components, dark mode support, and real-time toast notifications using Context API for global state management.
  • Implemented advanced product search with filtering and debouncing, improving search responsiveness and reducing unnecessary API calls for faster product discovery .
  • Secured REST endpoints using Spring Security and JWT-based authentication, implementing RBAC for three user roles — Admin, Store Owner, and Customer — with role-specific API access control.

Secure Multi-T enant SaaS Platform

JavaSpring BootMongoDBAPI Gateway
  • Designed a microservices-based SaaS backend with Spring Boot, decomposing the system into independent services — auth, user management, and billing — each with its own MongoDB collection and REST interface.
  • Implemented centralized API routing, JWT validation, and rate limiting using Spring Cloud Gateway , eliminating duplicate auth logic across services and standardizing request forwarding.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Achievements Not Earned

Special rewards, developer badges, system recognition certificates, and conceptual milestones will display here.

About Details

Professional Bio

Java Developer with experience in building REST APIs, microservices, and full-stack applications. Skilled in Spring Boot, Hibernate, and React.js with a focus on optimizing system performance and API efficiency.

B.Tech in Computer Science

Techno India University (2020 - 2024)

Senior Secondary Examination

Sushant Public School (2018 - 2020)

Languages: English, Hindi
Email: Locked