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.
What I work with
Skills
Frontend
Backend
DevOps & Tools
Mobile & Other
Security & Auth
Where I've worked
Experience
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.
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.
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
A URL shortener with built-in analytics — track clicks, referrers, and geography in real time. Built on a microservices architecture for high throughput and reliability.
A real-time multiplayer racing game with NFT-enabled car ownership and player asset trading. Backend built to handle thousands of concurrent game sessions.
A feature-rich online multiplayer Ludo game with real-time gameplay, live rooms, and matchmaking — engineered for low latency and concurrent game sessions.
Designed and developed a corporate website for SPE India — covering responsive UI, content structure, and deployment for a professional web presence.
A browser-based utility for generating and verifying bcrypt password hashes — useful for developers testing authentication flows or validating hash salt rounds.
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