
Humayou Ali
Level 1
REACTJS I NEXTJS I MERN Stack I WEB3JS I SOLIDITY I HARDHAT I Figma To React
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Werkervaring
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
Terugkerende klant

Verenigde Staten
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
Terugkerende klant

Verenigde Staten
Great guy, definitely will hire him again for my future projects.
liamgibson6

Verenigde Staten
Very professional guy, with impressive coding skills, would do collab with him again

jamespbourke

Verenigd Koninkrijk
Very responsive to all requests and worked very quickly with great results and value for money. Would highly recommend and use again.
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mygrateful

Verenigde Staten

