• Wrote EVM compatible ERC-721 contract implementation in Solidity, adding security using reentrancy guards, provenance hash, and Chainlink Verifiable Random Function for fair launch and metadata reveal

• Designed and integrated frontend UI/UX for ERC-721 minting using Ethers (Blockchain library), Javascript, React, and Chakra

• Created automated data aggregation solutions and multi-server communications using Discord API Integrations in Node JS

• Aggregated OpenSea (NFT Trading Platform ) information for market and price data analysis using Beautiful Soup in Python

• Led end-to-end backend development and coordinated cross-team communications for Dasher app equipment tracking feature in order to improve analytics, merchant quality promise, and lower equipment costs

• Developed custom integrations with external merchant provider APIs for DoorDash Point-of-Sale microservice

◦ Added time-bound item logic (reduced order cancellation rates by 60%), developed loyalty/coupon features for top merchants, and onboarded major national brand stores onto tax service platform (2000+ stores)

• Integrated DoorDash Cash on Delivery feature, increasing 30% of order volume for select merchants and enabling DoorDash’s international expansion into Germany and Japan

• Enabled data storage and created internal tools for operations teams to view order failures and menu creation/update failures to help support teams directly root cause issues, reducing oncall engineer menu and order investigation tickets by 50%

• Enabled more granularity for pay models based on distance and tip amounts, improving efficiency for dashers and merchants

• Wrote content for Blockchain at Berkeley edX course, Fundamentals of Bitcoin and Cryptocurrencies

• Created decentralized Ethereum-based online ether casino game web app, with backend in Solidity

• Developed smart contract with trustless asset transfer and client randomness to reduce game bias and ensure fairness