Experience
Professional Engineering Journey
Impact Metrics
Ensured high availability for mission-critical enterprise backend services.
Optimized database access patterns and query performance across microservices.
Maintained rigorous testing standards using JUnit and Mockito for reliability.
Architected components to handle exponential increases in concurrent data processing.
Core Principles
Designing systems that are born to grow, focusing on horizontal scalability and decoupling.
Every millisecond counts. Prioritizing low-latency execution and efficient resource utilization.
Integrating authentication, authorization, and data protection at the core of every service.
Writing self-documenting code that is as easy to read as it is to execute.
Summary
Jaya Vignesh
Backend engineer focused on designing and evolving Java-based distributed systems. Experienced in building secure, scalable REST APIs and microservices used in production environments. Strong understanding of backend architecture, data modeling, and performance optimization.
Education
Bachelor of Technology (B.Tech) – Computer Science
2019 - 2023
Sri Manakula Vinayagar Engineering College, Puducherry
CGPA: 7.76
Relevant Coursework:
Higher Secondary (HSC) – Computer Science
2018 - 2019
Amalorpavam Higher Secondary School, Puducherry
Specialization: Computer Science
Score: 65.1%
Secondary School (SSLC)
2016 - 2017
Amalorpavam Higher Secondary School, Puducherry
Score: 89.2%
Professional Experience
Software Engineer (Backend)
2024 – Present
Tata Consultancy Services (TCS), India
- Designed, developed, and maintained RESTful backend services using Java and JAX-RS, supporting microservice-based enterprise applications in production.
- Spearheaded a major Java 8 to Java 21 migration, navigating complex javax to jakarta namespace transitions, resolving API immutability issues, and utilizing Java Records to reduce boilerplate.
- Completely rewrote legacy test suites from scratch using modern JUnit and Mockito, overcoming reflection-based deprecations to achieve and maintain 85%+ code coverage.
- Resolved critical database bottlenecks by dismantling complex SQL queries and shifting heavy data processing to the Java application layer, drastically reducing DB load.
- Mentored junior and fellow developers through technical lectures and code reviews, driving the team-wide adoption of Java 21 features and modern backend best practices.
- Proactively monitored and supported production backend services, rapidly diagnosing and fixing critical production defects to ensure high availability and minimize downtime.
- Refined API payloads and contracts in collaboration with frontend teams, balancing performance, usability, and backward compatibility.
- Assisted in refactoring legacy backend components to improve readability, reduce complexity, and enhance long-term maintainability.
- Worked within secure enterprise environments, following established security, logging, and compliance practices.
Java
MySQL
Git
Postman
VS Code
Eclipse
Bash
Jenkins
FileZilla
Spring Boot
Maven
PuTTY
GitLab
Red Hat Enterprise LinuxTechnical Proficiency Matrix
INNER MECHANICS
Where logic meets
rhythm.
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