I am a Fullstack Product Engineer and Tech Lead with the DoorDash Merchant Experience team. Our primary focus is on developing web app features that assist our business users in managing orders, employees, and store availability.In essence, we craft a comprehensive platform tailored for businesses. My role involves a diverse range of responsibilities. About 30% of my time is dedicated to developing the Front-End and Back-End-for-Frontend layers, collaborating closely with Product Managers and Designers to plan and implement new features. Another 30% is allocated to Back-End development, which includes system design, database creation, and the development of services and APIs.Additionally, I devote 30% of my time to reviewing the design and code of my teammates' projects, ensuring quality and coherence. The remaining 10% is spent participating in meetings with external and internal teams, discussing design strategies and fundamental infrastructure improvements.Overall, my role is a blend of technical expertise, team collaboration, and project leadership, all aimed at enhancing our merchant's experience and business efficiency.

1. Developed and launched the "Vehicle Detail Page" project on Amazon.com 2. Designed and established “Best Seller Widget” for automotive parts in "Vehicle Detail Page" and "Your Garage" webpages. Collected data and built models with product managers to ensure the feature meets market needs 3. Designed and established “Previously Purchased Parts Widget” for automotive "Your Garage" web page 4. Designed and established “WheelsTV Widget” in "Vehicle Detail Page" in order to let the customers know the details of each vehicle by videos. Developed new Amazon video player with amazon video player team5. Developed “Kraken” search widget platform with Amazon Search team in order to launch new Automotive team “Tires Widget” 6. Rebuilt Features and Specifications Widget under automotive "Vehicle Detail Page"

1. Built an online private used car trading website2. Established JavaScript MVC architecture using Angular.js for website3. Used JavaScript to develop plugins for test drive appointment calendar system4. Programmed web-based applications with the main focus on accessibility and scalability across all devices and browsers5. Developed extensive JavaScript and JQuery programming to give AJAX functionality for the website

1. Rebuilt an online O2O food delivery website2. Built a search and recommendation UI based on Apache Solr full-text search engine for front end3. Developed driver tracking system based on Google Map API, applied Google Calendar API for user schedules retrieval4. Used Java to establish automatic assignment of orders for backend