David Jin

Deep understanding of large Defi lending and AMM protocols such as Compound and AAVE. Participated in ERC20 token swap project using Uniswap V2 protocol. Plenty of experience with EVM-compatible smart contract dev tools such as Truffle and Hardhat. Frontend integration to interact with smart contracts using Web3.js and Ethers.js.

Develop token contract with complex distribution (token minted via call function and time lock) Develop a launchpad involving allocation distribution Develop a staking platform Develop swap exchange ( fork and twist ) and liquidity mining pool Develop dashboard linked all platform information Smart contract development for the NFT marketplace functionality. Development of web applications for users to create, buy, sell and resell NFTs(digitized goods) which conforms to the ERC1155 specification.

React/ React hook / Material UI front-end web application for real estate tax calculation Collaborate with the TypeScript and React stack Closely collaborate with the lead team designer to implement new features in the design system Streamline Webforms’ UI documentation in isolation for Storybook Update Storybook styled components for isolated documentation Fix and update UI’s bugs in Webforms

Participated in building a large eCommerce platform as an intern and absorbed new technologies quickly showing the ability of a fast learner. Solved technical difficulties using optimized algorithms and increased speed by 10%. Got fundamental concepts of Networking, Security, Protocols, Web server, and Cloud Computing. Developed Restful APIs using Node.js. Developed websites for customers using programming basics such as JavaScript, HTML, CSS, PHP, etc.

Technical assistance and consultation at the idea initiation stage. Smart contract development and deployment for getting Raptor token out. Development of Cryptocurrency system with Raptor Token and Wallet. Developed some modules of Gosama platform such as customer loyalty system using MEAN stack.