Open for work

Digital Builder

Mohd Haroon — Full Stack Developer crafting production-grade web applications from the ground up.

TypeScriptReactNext.jsAngularAstroNode.jstRPCRustSolidityWeb3 TypeScriptReactNext.jsAngularAstroNode.jstRPCRustSolidityWeb3

Selected Work

1 MeowFi DApp

React / Node.js / tRPC / Web3

Full-stack DeFi application featuring Liquidity Pools, Bribe Vaults, and token swaps via Balancer V3 protocols. Built with end-to-end type safety across the entire stack.

Read Case Study →

2 PrepZone

Angular / Node.js / Express / MongoDB

EdTech assessment platform featuring secure Google OAuth, managing a repository of 700+ questions for adaptive mock tests and real-time performance analytics.

Read Case Study →

3 ReqQuest

Analog.js / tRPC / Supabase

Robust browser-based API client serving as a lightweight Postman alternative. Reduced runtime integration errors by 30% with end-to-end type safety.

View Project →

4 ContextLens

SvelteKit / Convex / Tailwind CSS / Groq

Long-document intelligence platform for live hallucination detection, triple-pipeline LLM comparison, and reliability analytics.

View Project →

Experience

From startup chaos to crafting scalable, production-grade applications.

MeowFi

Full Stack Developer Intern

Feb '25 – Oct '25
  • Architected scalable NPM Workspace Monorepo integrating React, Node.js, and tRPC with 100% end-to-end type safety.
  • Engineered complex DeFi features including Liquidity Pools and Bribe Vaults via Balancer V3 protocols.
  • Optimized blockchain interactions via Viem, Wagmi, and Multicall, reducing RPC requests by 40%.
  • Deployed documentation hub with Astro Starlight, authoring 20+ technical guides.
  • Built entire frontend from scratch and managed AWS EC2 infrastructure.

Freelance

Full Stack Developer

2023 – Present
  • Delivered 5+ projects including e-commerce platforms and dashboards.
  • High client ratings for optimizing frontend performance and ensuring secure, scalable backend architecture.