shadowhunter

-Designed and deployed 6+ smart contracts using Solidity for DeFi, NFT, and DAO use cases, achieving zero critical vulnerabilities post-deployment. -Integrated dApps with Ethereum and BNB Chain using Web3.js and Ethers.js, enhancing user interactions via Metamask and WalletConnect. -Built REST and GraphQL APIs to support blockchain frontends and data querying with The Graph. -Engineered staking and token vesting contracts, including gas optimization and upgradeability patterns via proxies. -Developed DAO tools with snapshot integration, improving governance participation by 35%. -Built CI/CD pipeline for smart contract testing and deployment using Hardhat and GitHub Actions. -Consulted on tokenomics and architecture for Web3 startups, leading to successful audits and mainnet launches.

-Led development of a DEX with liquidity pools, token swaps, and fee routing on Ethereum and Polygon, increasing platform TVL by 300% in 6 months. -Developed NFT minting and marketplace smart contracts with OpenZeppelin standards, including royalty support and IPFS metadata. -Built multi-wallet onboarding flow using Wagmi and RainbowKit for seamless UX. -Deployed full-stack blockchain applications on AWS using Kubernetes and Docker, reducing infrastructure costs by 20%. -Integrated Chainlink price feeds and random number generators to support secure and trustless operations. -Authored security test suites using Foundry and Slither, catching 90% of issues pre-audit. -Collaborated with front-end and QA teams to ensure dApp reliability and usability across all browsers and devices.

-Created NFT and staking dashboards using React and Web3.js, achieving 99.9% uptime and fast load times. -Integrated smart contract functions with backend APIs to manage token sales, airdrops, and whitelist mechanisms. -Migrated existing fintech platform to include crypto wallet support, increasing user engagement by 50%. -Enhanced blockchain UX with gas estimation, transaction history tracking, and error reporting features. -Built scripts for on-chain data indexing and wallet analytics using Node.js and MongoDB. -Partnered with product teams to align Web3 features with user demand and compliance requirements.

-Developed Web3-enabled frontend interfaces using React and Redux for token dashboards and crypto portfolios. -Integrated with Ethereum nodes via Infura and Alchemy, enabling real-time blockchain interactions. -Contributed to DeFi project UI with responsive charts and transaction summaries. -Improved codebase maintainability and performance by modularizing reusable components and optimizing API calls. -Participated in daily Agile ceremonies, sprint planning, and product roadmap discussions.