I'm a Sr. Blockchain Developer who specializes in Blockchain Technology from 2021. Highly skilled in building secure and scalable smart contracts on Ethereum, BSC, Polygon, Solana, and Polkadot. Experienced in stablecoin architecture, mint/burn mechanisms, NFT marketplaces, DeFi protocols, and smart contract auditing with Hardhat and Foundry. Developed real-time deposit/withdrawal services and blockchain transaction monitoring for centralized exchanges (CEX). Proficient in Solidity, Ink!, Node.js, and API integrations, with a passion to deliver innovative decentralized and centralized solutions. Areas of Expertise Cryptography - Blockchain Transaction Monitoring, HSM, MPC Wallets, Centralized Exchange, Stable Coins - Foundry - Hardhat - Solidity - Chai - Mocha - Ethereum - BSC - Polygon - Polkadot - Solana - Tokenomics - Decentralized Exchange - Blockchain Data Analysis - Crypto Analysis - Crytpo Trading Bot Professional Experience Senior Blockchain Developer, (ARMUP) Australia, Remote 08/2024 - present • Joined as a Senior Blockchain Developer to lead the development of secure smart contracts and architecture for Armswap. • Contributing to the development of stablecoin architecture including mint/burn mechanisms, API integrations, and Proof-ofReserve setup as Circle did. • Developed a robust deposit and withdrawal service for ARMUP Exchange using Node.js, integrating WebSocket listeners for real-time blockchain transactions, maintaining transactional history in PostgreSQL, and automating fund transfers to exchange hot wallets. • Working closely with front-end/back-end teams on API integration and deployment pipelines. • Collaborating on security audits, testing (Foundry / Hardware), and optimizing gas efficiency for smart contracts. Blockchain Developer, (OCTALOOP TECHNOLOGIES) Islamabad, Pakistan 07/2023 - 07/2024 • Developed secure Ethereum smart contracts and audit for tokenization, DeFi, NFTs, and NFT Auction/Rental functionality. • Specialized in creating SPL tokens and developing smart contracts using the Ink! language on the Polkadot and Substrate frameworks. • Integrated smart contracts with front-end technologies using Node.js and React.js for user-friendly NFT applications. • Having an understanding of Bitquery and its usage to track and obtain real-time data from any blockchain. Blockchain Developer, (BuiltInSoft) Rahim Yar Khan, Pakistan 03/2023 - 07/2023 • Created an Ethereum wallet using Javascript, Ethers.js, Metamask, and Node.js. • Developed a smart contract for the personal portfolio in solidity. • Designed an NFT Marketplace Smart Contract using Solidity and Openzeppelin. • Created Counter Dapp integrating React.js, Solidity, Ethers.js, Metamask, and Node.js. • Implemented a Metamask Payment Method Clone using React.js, Web3.js, Solidity, and Node.js. • Supported multiple tokens on various blockchain networks, including Polygon (USDT & USDC), Ethereum (USDT & USDC), and Binance…I'm a Sr. Blockchain Developer who specializes in Blockchain Technology from 2021. Highly skilled in building secure and scalable smart contracts on Ethereum, BSC, Polygon, Solana, and Polkadot. Experienced in stablecoin architecture, mint/burn mechanisms, NFT marketplaces, DeFi protocols, and smart contract auditing with Hardhat and Foundry. Developed real-time deposit/withdrawal services and blockchain transaction monitoring for centralized exchanges (CEX). Proficient in Solidity, Ink!, Node.js, and API integrations, with a passion to deliver innovative decentralized and centralized solutions. Areas of Expertise Cryptography - Blockchain Transaction Monitoring, HSM, MPC Wallets, Centralized Exchange, Stable Coins - Foundry - Hardhat - Solidity - Chai - Mocha - Ethereum - BSC - Polygon - Polkadot - Solana - Tokenomics - Decentralized Exchange - Blockchain Data Analysis - Crypto Analysis - Crytpo Trading Bot Professional Experience Senior Blockchain Developer, (ARMUP) Australia, Remote 08/2024 - present • Joined as a Senior Blockchain Developer to lead the development of secure smart contracts and architecture for Armswap. • Contributing to the development of stablecoin architecture including mint/burn mechanisms, API integrations, and Proof-ofReserve setup as Circle did. • Developed a robust deposit and withdrawal service for ARMUP Exchange using Node.js, integrating WebSocket listeners for real-time blockchain transactions, maintaining transactional history in PostgreSQL, and automating fund transfers to exchange hot wallets. • Working closely with front-end/back-end teams on API integration and deployment pipelines. • Collaborating on security audits, testing (Foundry / Hardware), and optimizing gas efficiency for smart contracts. Blockchain Developer, (OCTALOOP TECHNOLOGIES) Islamabad, Pakistan 07/2023 - 07/2024 • Developed secure Ethereum smart contracts and audit for tokenization, DeFi, NFTs, and NFT Auction/Rental functionality. • Specialized in creating SPL tokens and developing smart contracts using the Ink! language on the Polkadot and Substrate frameworks. • Integrated smart contracts with front-end technologies using Node.js and React.js for user-friendly NFT applications. • Having an understanding of Bitquery and its usage to track and obtain real-time data from any blockchain. Blockchain Developer, (BuiltInSoft) Rahim Yar Khan, Pakistan 03/2023 - 07/2023 • Created an Ethereum wallet using Javascript, Ethers.js, Metamask, and Node.js. • Developed a smart contract for the personal portfolio in solidity. • Designed an NFT Marketplace Smart Contract using Solidity and Openzeppelin. • Created Counter Dapp integrating React.js, Solidity, Ethers.js, Metamask, and Node.js. • Implemented a Metamask Payment Method Clone using React.js, Web3.js, Solidity, and Node.js. • Supported multiple tokens on various blockchain networks, including Polygon (USDT & USDC), Ethereum (USDT & USDC), and BinanceWWWW…