
Humayou Ali
Level 1
REACTJS I NEXTJS I MERN Stack I WEB3JS I SOLIDITY I HARDHAT I Figma To React
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Expérience professionnelle
Web3 & Blockchain Developer Smart Contracts Integration
Fiverr • Freelance
Dec 2020 - Present • 5 yrs 5 mos
Working as a Senior Full-Stack & Blockchain Developer at Fiverr, delivering end-to-end web and Web3 applications for international clients across multiple industries. Key contributions: → Architect and develop full-stack applications using React.js, Next.js, Node.js, Express.js, and MongoDB from database schema to pixel-perfect frontend → Build and deploy smart contracts in Solidity on Ethereum, Polygon, and BNB Chain ERC-20, ERC-721, ERC-1155 standards with gas optimization and OpenZeppelin security → Develop complete dApps : smart contract backend + React/Next.js frontend connected via Ethers.js and Web3.js with MetaMask and WalletConnect integration → Set up CI/CD pipelines with GitHub Actions, Docker containerization, and AWS deployments for consistent production releases Tech stack: React.js · Next.js · Node.js · Express.js · MongoDB · Solidity · Ethers.js · Web3.js · TypeScript · Tailwind CSS · AWS · Docker · Hardhat · IPFS
Senior Full-Stack & Blockchain Developer
Upwork • Freelance
Dec 2019 - Present • 6 yrs 5 mos
Working as a Senior Full-Stack & Blockchain Developer at Upwork as Freelancer, delivering end-to-end web and Web3 applications for international clients across multiple industries. Key contributions: → Architect and develop full-stack applications using React.js, Next.js, Node.js, Express.js, and MongoDB from database schema to pixel-perfect frontend → Build and deploy smart contracts in Solidity on Ethereum, Polygon, and BNB Chain ERC-20, ERC-721, ERC-1155 standards with gas optimization and OpenZeppelin security → Develop complete dApps : smart contract backend + React/Next.js frontend connected via Ethers.js and Web3.js with MetaMask and WalletConnect integration → Set up CI/CD pipelines with GitHub Actions, Docker containerization, and AWS deployments for consistent production releases Tech stack: React.js · Next.js · Node.js · Express.js · MongoDB · Solidity · Ethers.js · Web3.js · TypeScript · Tailwind CSS · AWS · Docker · Hardhat · IPFS
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noah_lawrence01
Client récurrent

États-Unis
I feel very fortunate that you were part of this journey and helped turn this idea into a real working product. Thank you for the effort, the professionalism, and the commitment you brought to this project
noah_lawrence01
Client récurrent

États-Unis
Great guy, definitely will hire him again for my future projects.
liamgibson6

États-Unis
Very professional guy, with impressive coding skills, would do collab with him again

jamespbourke

Royaume-Uni
Very responsive to all requests and worked very quickly with great results and value for money. Would highly recommend and use again.
Réponse du freelance
mygrateful

États-Unis

