Joel Sundarsing
@Joelss
Joel Sundarsing
@Joelss
Const Joel = "Backend brains powering on-chain systems";
Const Joel = "Backend brains powering on-chain systems";
Tiruvallur, India
👋 About Me
I am a Computer Science undergraduate and backend-focused Web3 builder with hands-on experience designing scalable, production-ready systems using Node.js, Express, MongoDB, and blockchain-integrated architectures.
My primary focus is on building secure, reliable backend systems that address real-world challenges around trust, data integrity, and transparency. I enjoy working close to system design—structuring APIs, handling data securely, and ensuring backend services remain maintainable and efficient under real usage.
I have worked on blockchain-backed platforms involving trust scoring, product traceability, and tamper-resistant data storage, integrating decentralized components such as IPFS and smart contracts with traditional backend infrastructure. This has helped me understand how Web2 scalability can be effectively combined with Web3 guarantees like immutability and verifiability.
Hackathons are where I thrive. I enjoy fast-paced problem solving, collaborating with focused teams, and turning ideas into working, demo-ready products within tight timelines. I value clear architecture, practical execution, and building things that actually ship.
Currently, I am exploring Ethereum-based systems, with particular interest in trust-aware backends, escrow-style workflows, and backend services that support decentralized applications.
🛠️ Tech Stack
- Backend: Node.js, Express.js, REST APIs
- Databases: MongoDB, MySQL
- Web3: Ethereum, IPFS, Smart Contract Integrations
- Tools: Git, GitHub, Postman, Docker
🚀 What I Enjoy Building
- Backend-heavy Web3 applications
- Trust and reputation-based systems
- Secure data pipelines and APIs
- Hackathon MVPs that evolve into real products
🎯 Hackathon Mindset
- Build fast, but build clean
- Prioritize working demos
- Strong backend foundations first
- Team collaboration > solo perfection