Senior Full-Stack Engineer - MERN Microservices Expert

KoperumsozhanVR

Senior Full Stack Engineer (MERN /

Microservices)

Mayiladuthurai, Tamil Nadu

India

MOBILE-ALT +91-986*******

Envelope *************@*****.***

linkedin.com/in/koperumsozhan-vr-03927b227

Professional Summary

Senior Full Stack Engineer with 12+ years of experience building scalable web applications and microservices architectures. Specialized in MERN stack development (MongoDB, Express.js, React.js, Node.js) with strong expertise in distributed systems, API design, cloud infrastructure, and event-driven architectures. Experienced in designing high-performance SaaS platforms, implementing microservices, message queues (Kafka), CI/CD pipelines, and cloud deployments (AWS). Proven ability to lead engineering teams, optimize system performance, and deliver enterprise-grade applications across the full software development lifecycle. Technical Skills

Program-

ming

JavaScript, TypeScript, PHP

Frontend React.js, Redux, HTML5, CSS3, REST integration Backend Node.js, Express.js, Fastify, Laravel

Databases MongoDB, PostgreSQL, MySQL

Architecture Microservices Architecture, Event-Driven Systems, Distributed Systems, RESTful API Design, GraphQL APIs

Messaging Apache Kafka, Message Queue Integration

DevOps &

Cloud

AWS, Docker, CI/CD Pipelines, Git / GitHub / Bitbucket Tools Postman, Apigee API Gateway, npm, Git

Professional Experience

Jan 2025 –

Present

Senior Software Engineer – Team Lead, G2TechSoft

Lead development of scalable MERN stack applications used by enterprise clients.

Architected microservices-based backend systems using Node.js and MongoDB.

Designed and implemented REST and GraphQL APIs supporting high-traffic platforms.

Implemented event-driven architecture using Kafka for real-time communication logging.

Built CI/CD workflows and cloud deployment pipelines.

Mentored a team of developers and conducted architecture reviews. Apr 2024 –

Nov 2024

Senior Software Engineer, Overseas Group Inc, Hong Kong (Contract)

Designed and developed an algorithm-driven matching platform using Node.js and React.

Built scalable backend services using Express.js and MongoDB.

Optimized backend performance through database indexing and query optimization.

Delivered REST APIs supporting complex search and matching logic.

Worked in Agile development environment with rapid release cycles. Jan 2022 –

Mar 2024

Senior Software Engineer – Team Lead, Agira Technologies

Developed microservices-based enterprise platforms using Node.js and TypeScript.

Implemented Kafka-based event processing systems.

Integrated third-party APIs including communication platforms (SMS, Email, WhatsApp).

Designed scalable backend services with MongoDB and OpenSearch.

Implemented centralized logging and monitoring frameworks. 1/2

Feb 2020 –

Jan 2022

Software Engineer, Matrimony.com

Developed end-to-end web application modules using Node.js and MySQL.

Implemented booking workflow systems handling high user traffic.

Optimized database queries to improve response time and scalability.

Maintained production deployments and supported live systems. Jul 2017 –

Jan 2020

Software Engineer, IT Acumens

Developed scalable web applications using Node.js, PHP, and MySQL.

Built performance automation scripts and backend APIs. Jan 2017 –

May 2017

Software Engineer, CA Infotech India Pvt Ltd

Developed backend APIs and system integrations for enterprise clients. Jul 2013 –

Dec 2016

Web Developer, McLanSys

Built full stack applications using PHP, MySQL, and JavaScript.

Developed backend APIs and frontend UI components. Key Projects

Dabadu.ai – Multi-Tenant XRM Platform

Automobile SaaS platform for dealership operations. Features: Lead lifecycle management, Vehicle inventory management, CRM workflows, Multi-tenant architecture, Communication logging system.

Tech Stack: Node.js, TypeScript, MongoDB, React.js, GraphQL, Kafka, Microservices, AWS MaidMatch – Intelligent Worker Matching Platform

Platform connecting domestic workers and employers. Features: Skill-based matching engine, Interview scheduling system, Worker and employer dashboards, Admin management system.

Tech Stack: Node.js, TypeScript, MongoDB, React.js, GraphQL, Microservices Motionworks – Geospatial Intelligence Platform

Location intelligence platform for analytics and strategic planning. Tech Stack: Node.js, Express.js, Elasticsearch, Apigee API Gateway, React.js Mandap Booking System, Matrimony.com

Venue booking platform supporting large-scale user traffic. Tech Stack: Node.js, Express.js, MySQL

RouteNote – Global Music Distribution

Music publishing platform distributing music to Spotify, YouTube, and global stores. Tech Stack: Drupal, PHP, MySQL

Education

2010 – 2013 Bachelor of Engineering – Computer Science, AVC College of Engineering 2007 – 2010 Diploma – Computer Science Engineering, Elumalaiyan Polytechnic College Personal Details

Date of

Birth

14 March 1987

Nationality Indian

Marital

Status

Married

Declaration

I hereby declare that the above information is true and correct to the best of my knowledge. Koperumsozhan VR

2/2

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