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Gomathy Jeyam

Java Developer & Tech Lead

Passionate Java developer with 6 years of experience in developing enterprise-level applications with expertise in Java and related technologies, including Spring, Spring Boot, database management and RESTful API development.

Let's Solve Together

• Collaborative debugging and problem-solving sessions
• Technical mentorship for Java, Spring Boot, and enterprise development
• Code reviews and architecture discussions
• Quick 15-min live debug sessions available

United Kingdom

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Experience

CommerceIQ

Chennai, India

Software Development Engineer 2

May 2024 – Present

•Spearheaded the development and scaling of high-volume e-commerce analytics pipelines using Java and Spring Boot, responsible for crawling real-time data from over 1000 retailer websites and injecting into GCP
•Enabled a key client's business growth by providing accurate, real-time analytics (competitor data, sales/inventory insights) from crawled product data, which was directly credited with an 80% increase in their sales for 2024
•Led a team of 15 support engineers focused on client onboarding and support, establishing efficient processes that increased client retention by 25% within the first quarter by ensuring rapid, high-quality website integration
•Drove DevOps adoption, collaborating on the implementation of Docker and Kubernetes (K8s) for application deployment, resulting in a 30% reduction in deployment times and optimized cloud resource utilization
•Implemented robust cloud monitoring and alerting systems across GCP/AWS cloud environments, including using CloudWatch for queue processing and resource monitoring, ensuring service reliability and proactive incident response
•Mentored junior developers on Spring Boot best practices, test automation, and code optimization, leading to a 15% measured increase in team productivity and overall code quality

Software Development Engineer 1

January 2023 – April 2024

•Authored and implemented extensive unit, integration, and end-to-end tests following Test-Driven Development (TDD) principles, resulting in a significant 40% reduction in the code defect rate
•Architected modular and reusable Spring Boot applications that drove efficient code separation and dramatically reduced the time-to-onboard new websites by 70%
•Developed automation solutions focused on data validation and anomaly detection, leading to a verified 95% data accuracy in client-facing applications within a year
•Managed large-scale data storage and retrieval, utilizing cloud platforms like GCP/AWS storage services (e.g., S3/GCS) and leveraging BigQuery for complex, high-performance data querying and analysis

Freelance

India

Full Stack Developer

December 2021 – December 2022

•Functioned as a solo Developer and Architect, conceptualizing and implementing a bespoke CRM solution for a small fitness service business using Java and REST APIs
•Engineered a highly secure application foundation by implementing advanced Spring Security features, including multi-tenancy data segregation and robust Role-Based Access Control (RBAC) for staff and administrative users
•Managed end-to-end project lifecycle, covering requirements analysis, system architecture design, development, and deployment, ensuring a scalable and maintainable application
•Designed and implemented complex business logic and data integrity rules to manage transactional processing, ensuring 100% reliable data quality across the enterprise system
•Enabled the business to scale client onboarding capacity by 3x, directly contributing to a 25% increase in monthly revenue within the first quarter after deployment

Zoho

Chennai, India

Member of Technical Staff

July 2020 – November 2021

•Engineered and maintained robust, high-traffic RESTful APIs using Java and PostgreSQL to power a critical client-facing CRM application, ensuring seamless data exchange and high uptime
•Drove system stability and client satisfaction by diagnosing and resolving complex, production-level bugs within the API layer, directly resulting in a 5% profit increase via sustained client service
•Actively participated in in-depth system requirement analysis for new feature development, providing key technical findings and feasibility assessments that shaped project scope and execution

Project Trainee

December 2019 – June 2020

•Architected and developed a novel Java-based automation engine that parses OpenAPI (Swagger) specifications to dynamically generate comprehensive HTML documentation and various multi-language Software Development Kits (SDKs)
•Significantly boosted developer productivity by automating post-development manual documentation tasks, reducing API release time by 30% and accelerating time-to-market
•Demonstrated strong foundational Core Java and object-oriented programming (OOP) skills by delivering a commercially valuable, fully operational developer tool

Projects

Real-Time Group Chat Application

Developed a real-time group chat platform enabling users to join chat rooms, exchange messages instantly, and leave groups dynamically using WebSocket-based communication.

•Implemented WebSocket communication using STOMP protocol for real-time messaging
•Designed APIs for user registration, group creation, and chat management
•Enabled joining and leaving group chats with instant message broadcast updates

JavaSpring BootWebSocketSTOMPSpring SecurityPostgreSQL

Event Management System

Developed a full-featured platform for managing public and private events, allowing organizers to create events, users to purchase tickets, and staff to verify attendees via QR codes.

•Implemented event creation and management modules for organizers
•Enabled secure online ticket purchase and payment tracking for users
•Integrated QR code generation and scanning for seamless on-site ticket verification
•Applied role-based access control for organizers, staff, and attendees

JavaSpring BootSpring SecurityREST APIsPostgreSQLQR Code Integration

Latest Blog Posts

Insights, tutorials, and thoughts on software development

Skills & Expertise

Programming Languages

JavaJavaScriptPythonGroovyCC++HTMLCSS

Frameworks & Tools

SpringSpring BootHibernateJPAKafkaDockerMaven

Database

MySQLPostgreSQLBigQuery

Development & Testing

RESTful APIsJUnitMockitoGitJenkinsEclipseIntelliJ IDEAVS Code

Education

BEng in Computer Science

Mepco Schlenk Engineering College

2016 – 2020

Cumulative GPA: 9.4

Awarded with Gold Medal

Certifications

91%

Top 2% Topper

Programming in C++

NPTEL - IIT Kharagpur

Feb-Apr 2017•8 weeks

View Certificate

87%

Programming, Data Structures And Algorithms Using Python

NPTEL - IIT Madras

Jul-Sep 2017•8 weeks

View Certificate

87%

Top 5% Topper

Problem Solving Through Programming in C

NPTEL - IIT Kharagpur

Jan-Apr 2018•12 weeks

View Certificate

Trusted By

Companies I've collaborated with

Let's Connect

Ready to collaborate on your next project or discuss innovative solutions? Let's build something amazing together.

Available for opportunities

Let's Start a Conversation

Whether you're looking for a senior Java developer, need technical consultation, or want to discuss a potential collaboration, I'm here to help bring your ideas to life.