Blockchain MVP developer @ Chainfly OCT 2024 - NOV 2025
Deployed ERC-20 token (Solidity/Hardhat) with Mint/Burn functions on Polygon; built React dApp frontend. Stack: Solidity, React, Ethers.js, Vercel.
Hi I'm Harisingh chad, a Full-Stack & Web3 Developer building dApps on Solana and Ethereum. I am proficient in Next.js, React, Solidity, Python, and Web3 SDKs (Lazorkit, Helius).
I have experience in smart contract integration, API automation, and end-to-end project delivery. I'm also an active contributor to Superteam and open-source Web3 projects.
Developing secure and optimized Solidity smart contracts with Hardhat on Ethereum and EVM chains.
Building responsive and modern Web3 dApps using React, Next.js, and Tailwind CSS.
Integrating Lazorkit, Helius API, WebAuthn, and Paymaster for gasless Solana transactions.
Creating robust bots and scripts with Python, Node.js, WebSockets, and REST APIs.
Deploying ERC-20 tokens with Mint/Burn functions, handling snapshots and token gating.
Contributing as a Web3 researcher at Superteam DAO and Arkham Intelligence marketplace.
I specialize in building full-stack Web3 applications from smart contract development to frontend integrations. My proficiency spans multiple programming ecosystems including EVM and Solana.
Deployed ERC-20 token (Solidity/Hardhat) with Mint/Burn functions on Polygon; built React dApp frontend. Stack: Solidity, React, Ethers.js, Vercel.
Completed Solana bounties (frontend, docs, smart contracts); contributed wallet labels to Arkham Marketplace. Created incident analysis templates and on-chain research guides (Notion).
Built Next.js template for passkey-based smart wallets on Solana using Lazorkit SDK. Implemented gasless transactions via Paymaster and WebAuthn authentication (FaceID/TouchID). Stack: Next.js, Tailwind, Solana Devnet, WebAuthn.