majadirahman

•Designed secure and gas-efficient smart contracts to process payments in stablecoins and crypto assets. •Implemented multi-signature approvals for high-value transactions, reducing unauthorized transfers by 40%. •Optimized ERC-20 and ERC-721 contracts, cutting transaction fees by 35% through efficient storage management. •Created a Next.js and Zustand-powered dashboard to allow users to manage token swaps, staking, and governance voting. •Integrated Metamask, WalletConnect, and Ledger hardware wallets, enabling secure authentication and transactions. •Improved UI performance, reducing render time by 25% through lazy loading and static generation optimizations. •Conducted automated smart contract vulnerability scans with Slither and OpenZeppelin Defender, identifying 15+ security issues pre-launch. •Implemented gas-efficient Solidity patterns, reducing execution costs for frequent contract interactions. •Collaborated with external auditors to ensure full security compliance for DeFi staking pools. •Developed proxy contracts (UUPS & Transparent Proxies) to allow upgrades without disrupting user funds. •Automated deployment scripts with Hardhat, reducing contract deployment errors by 50%. •Introduced internal Solidity development standards, improving team efficiency by 30%. •Conducted code reviews for smart contract security and scalability, ensuring best practices in development.

•Built Solidity smart contracts for decentralized lending and borrowing, allowing users to collateralize assets on Ethereum and BSC. •Integrated flash loan functionality, increasing the platform’s transaction volume by $20M within 6 months. •Implemented interest rate algorithms based on real-time market data, optimizing borrower-lender matching. •Developed a cross-chain asset bridge, enabling seamless token transfers between Ethereum, Solana, and Polygon. •Created a trusted relayer network, ensuring fast and secure cross-chain transactions. •Deployed a LayerZero-based bridge verification system, preventing fraudulent transfers. •Reduced smart contract gas costs by 30% through batch processing and calldata compression. •Implemented lazy evaluation techniques, reducing execution time for transactions. •Refactored the platform’s governance contracts to minimize on-chain storage costs. •Implemented unit testing (Hardhat & Foundry) to detect vulnerabilities before deployment. •Automated deployment scripts for staging and production, reducing downtime in updates.

•Designed a React-based blockchain data visualization tool, providing real-time insights into DeFi liquidity pools. •Implemented dynamic graphing for on-chain transactions, improving data representation for users. •Developed a custom NFT minting and bidding system, allowing users to list and trade digital assets securely. •Integrated on-chain royalties, ensuring creators receive 5-10% on every resale. •Reduced frontend load time by 40% using Next.js server-side rendering (SSR) and caching strategies. •Implemented progressive web app (PWA) optimizations, enhancing mobile performance. •Integrated Ethers.js for secure wallet interactions, enabling real-time gas fee estimations. •Built a one-click token swap interface, connecting directly to Uniswap and SushiSwap APIs