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I am a passionate Full Stack & Blockchain Developer with extensive experience in building secure decentralized applications and scalable web apps. I specialize in React.js, Node.js, Solidity, and MongoDB, and have developed NFT marketplaces, voting systems, and decentralized file storage solutions. I enjoy integrating cutting-edge blockchain tools like MetaMask, IPFS, and Ethers.js. I thrive in Agile team environments and am deeply committed to creating real-world blockchain solutions that are both innovative and user-friendly. I constantly seek opportunities to grow my skills and contribute to the Web3 ecosystem with practical and impactful applications.…I am a passionate Full Stack & Blockchain Developer with extensive experience in building secure decentralized applications and scalable web apps. I specialize in React.js, Node.js, Solidity, and MongoDB, and have developed NFT marketplaces, voting systems, and decentralized file storage solutions. I enjoy integrating cutting-edge blockchain tools like MetaMask, IPFS, and Ethers.js. I thrive in Agile team environments and am deeply committed to creating real-world blockchain solutions that are both innovative and user-friendly. I constantly seek opportunities to grow my skills and contribute to the Web3 ecosystem with practical and impactful applications.

Raj Singh

Full Stack Developer, Blockchain Developer, Web Developer, +2

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I am a passionate Full Stack & Blockchain Developer with extensive experience in building secure decentralized applications and scalable web apps. I specialize in React.js, Node.js, Solidity, and MongoDB, and have developed NFT marketplaces, voting systems, and decentralized file storage solutions. I enjoy integrating cutting-edge blockchain tools like MetaMask, IPFS, and Ethers.js. I thrive in Agile team environments and am deeply committed to creating real-world blockchain solutions that are both innovative and user-friendly. I constantly seek opportunities to grow my skills and contribute to the Web3 ecosystem with practical and impactful applications.…I am a passionate Full Stack & Blockchain Developer with extensive experience in building secure decentralized applications and scalable web apps. I specialize in React.js, Node.js, Solidity, and MongoDB, and have developed NFT marketplaces, voting systems, and decentralized file storage solutions. I enjoy integrating cutting-edge blockchain tools like MetaMask, IPFS, and Ethers.js. I thrive in Agile team environments and am deeply committed to creating real-world blockchain solutions that are both innovative and user-friendly. I constantly seek opportunities to grow my skills and contribute to the Web3 ecosystem with practical and impactful applications.

Available to hire

I am a passionate Full Stack & Blockchain Developer with extensive experience in building secure decentralized applications and scalable web apps. I specialize in React.js, Node.js, Solidity, and MongoDB, and have developed NFT marketplaces, voting systems, and decentralized file storage solutions. I enjoy integrating cutting-edge blockchain tools like MetaMask, IPFS, and Ethers.js.

I thrive in Agile team environments and am deeply committed to creating real-world blockchain solutions that are both innovative and user-friendly. I constantly seek opportunities to grow my skills and contribute to the Web3 ecosystem with practical and impactful applications.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Javanese

Advanced

Work Experience

Smart Contract Developer / Full Stack Developer at NFT Marketplace, Voting DApp & Wallet Smart Contract

December 1, 2024 - August 8, 2025

Developed smart contracts using Solidity and ERC721 standards to enable NFT transactions and secure voting mechanisms. Integrated blockchain wallets using MetaMask and Ethers.js for seamless user interaction. Managed NFT metadata storage on IPFS via Pinata, and created frontend using React & Redux to deliver a robust and interactive decentralized application.

Blockchain Developer / Full Stack Developer at Google Drive 3.0 – Decentralized File Storage DApp

July 1, 2024 - August 8, 2025

Built a decentralized file storage application on Ethereum blockchain using Solidity and IPFS for secure and distributed file storage. Created upload and retrieval flows integrated with MetaMask for secure user authentication and transactions. Developed the user interface in React and smart contract backend in Solidity, providing an efficient and user-friendly decentralized file management system.

Full Stack Developer at DeepSeek AI Chat Platform

April 1, 2024 - August 8, 2025

Developed a real-time AI chatbot using React, DeepSeek API, Node.js, and MongoDB. Implemented secure user login functionality with JWT and Express.js. Optimized API call performance by 18% and enhanced UI responsiveness to improve user engagement and overall platform efficiency.