udhayakumar P

Java Full Stack Developer

Chennai, India 2+ yrs exp 84 · Excellent

About

Java Full Stack Developer with 2 years of experience at Tata Consultancy Services (TCS) designing, coding, and enhancing Java and Spring Boot microservices and RESTful APIs for a large-scale Telecom OSS/BSS platform, with front-end experience in HTML, CSS, and React. Experienced across the full software development lifecycle: requirements analysis, service-layer design, SQL query development, testing, code reviews, and production defect resolution within Agile/Scrum teams. Strong foundation in Core Java, Spring Boot, Spring MVC, Spring Data JPA, REST web services, and relational databases (MariaDB, MySQL, PostgreSQL), with working knowledge of Git, CI/CD, Docker.

Skills & Expertise (31)

Java Intermediate

6.6/10

Years Exp

Spring Boot Intermediate

6.6/10

Years Exp

SQL Intermediate

6.4/10

Years Exp

Git Intermediate

6.0/10

Years Exp

React Intermediate

6.0/10

Years Exp

Agile Intermediate

6.0/10

Years Exp

Unit Testing Intermediate

6.0/10

Years Exp

JavaScript Intermediate

6.0/10

Years Exp

Docker Intermediate

5.4/10

Years Exp

Integration Testing Scrum Regression Testing Render Oracle Cloud Infrastructure LINUX IntelliJ IDEA Jira Postman code reviews Maven GitHub Actions Docker Compose Postgresql MySql MariaDB Spring Security Spring Data JPA Spring MVC CSS HTML Groovy

Work Experience

Junior Software Engineer

Tata Consultancy Services (TCS)

Aug 2024 - Present

Designed and developed 10+ RESTful APIs using Core Java and Spring Boot for a large-scale Telecom OSS/BSS platform, supporting customer management and service provisioning workflows across multiple integrated modules. Implemented service-layer business logic and microservices components for order processing and account management workflows, reducing data-processing errors through improved validation and error handling. Wrote, optimized, and maintained SQL queries and schema updates against MariaDB to support key reporting and operational endpoints, ensuring accurate and reliable data access and transaction processing. Diagnosed and resolved 5+ production defects per sprint by analyzing logs and system traces, contributing to improved system uptime and faster incident resolution. Performed unit, integration, and regression testing on service components to ensure reliability and minimize production defects. Participated in code reviews, providing feedback on code quality, performance, and adherence to secure coding and best-practice standards. Collaborated within an 8-member Agile/Scrum team through sprint planning, refinement, standups, and retrospectives, consistently delivering features on schedule across 20+ sprints. Translated functional and non-functional requirements from business stakeholders into detailed technical implementation, ensuring clean integration across application modules.