Chennai, India

Jaihariesh
Chandrasekaran

Full Stack Developer

4+ years building scalable, high-performance web and mobile applications using the MERN stack, PostgreSQL, and cloud-native tooling. Focused on Node.js/Express.js backend systems, real-time (Socket.IO) APIs, and MongoDB/Redis performance optimization — delivering secure, maintainable services for real-time multiplayer, blockchain/NFT, and analytics platforms.

Jaihariesh Chandrasekaran
4+
Years of experience
40%
System efficiency gain
30%
Latency reduction
5+
Shipped products

What I work with

Skills

Frontend

React.js JavaScript (ES6+) HTML CSS Bootstrap

Backend

Node.js Express.js MongoDB PostgreSQL Redis Socket.IO REST APIs Microservices Event-Driven Architecture

DevOps & Tools

AWS EC2 AWS S3 Lambda API Gateway Docker CI/CD PM2 Git

Mobile & Other

Flutter Firebase Blockchain/NFT

Security & Auth

JWT Auth RBAC API Security Rate Limiting Agile Performance Optimization

Where I've worked

Experience

Full Stack Developer Jan 2026 – Present

RealtiesNZ — Remote

  • Drive end-to-end delivery of digital products across web, mobile, and backend, translating business objectives into scalable, production-ready solutions.
  • Own platform architecture, application design, and implementation of core business workflows using Node.js, Express.js, MongoDB, PostgreSQL, Firebase, and Flutter.
  • Lead technical execution of complex initiatives by evaluating technology choices, defining development standards, and aligning solutions with long-term business goals.
  • Build secure RESTful APIs with JWT authentication and Redis caching, and integrate external services and third-party partners to improve operational efficiency.
  • Contribute to strategic planning, technical decision-making, release management, and cross-functional collaboration, with a focus on system reliability, scalability, and security.
Product Engineer Oct 2024 – Apr 2025

Siddhan Intelligence — Bengaluru

  • Developed robust, scalable, and secure backend services and RESTful APIs using Node.js and Express.js, following microservices architecture and industry best practices.
  • Integrated MongoDB and designed optimized schemas for high-volume transactional systems; implemented Redis caching to improve response times and reduce database load.
  • Developed JWT-based authentication and role-based access control, with API security, rate limiting, and secure data handling.
  • Containerized applications using Docker and assisted in designing CI/CD pipelines for automated testing, deployment, and monitoring.
  • Created reusable backend modules to improve maintainability; conducted code reviews and followed Agile/Scrum practices across sprint planning, stand-ups, and releases.
Web Developer Dec 2021 – Sep 2024

Chennai Games — Chennai

  • Designed and developed scalable backend architectures using Node.js and Express.js, supporting thousands of concurrent users with high availability and low latency.
  • Built real-time multiplayer gaming systems using Socket.IO and event-driven architecture, including real-time communication modules for live gameplay.
  • Developed RESTful APIs for gaming applications, user management, leaderboards, rewards systems, and NFT integrations.
  • Developed blockchain-integrated gaming applications involving NFT assets and smart-contract interactions.
  • Implemented JWT-based authentication and session management; integrated third-party and payment APIs; followed Agile practices and maintained code-review standards.

Things I've built

Projects

Academic background

Education

Jerusalem College of Engineering, Chennai

Bachelor of Technology in Information Technology

2017 – 2021

Continued learning

Certifications

Deloitte Australia Cyber Job Simulation

Forage

Jan 2026

CustomerLabs Code Jam