# Haoyuan Liu > Software Engineer @ Meta, Open Source Developer Location: Berkeley, California, United States Profile: https://flows.cv/haoyuan ## Work Experience ### Software Engineer @ Meta Jan 2022 – Present ### Open Source Developer @ Fluent Reader Jan 2020 – Present * Developed Fluent Reader, a desktop RSS reader built with Electron, React, and TypeScript with over 50,000 downloads from Mac App Store, Microsoft Store, and GitHub * Built a mobile client app with Flutter and published to App Store and Google Play * Maintained the open source project of the apps on GitHub with over 2,000 stars combined ### Undergraduate Student Researcher @ UC Berkeley Electrical Engineering & Computer Sciences (EECS) Jan 2020 – Jan 2021 * Designed a novel domain-specific language for graph analysis in the field of computer security and implemented its interpreter with ANTLR, Java, and Postgres ### Software Engineer Intern @ DoorDash Jan 2021 – Jan 2021 | San Francisco, California, United States * Built a new order tracking page for DoorDash Storefront with React and Apollo GraphQL * Worked across teams to implement features, bug fixes, and unit / E2E tests spanning multiple codebases involving React frontend, Node.js backend-for-frontend, and Kotlin microservices ### Project Developer @ The Daily Californian Jan 2019 – Jan 2020 * Overhauled Daily Cal's Weekender and Projects sections with single-page applications built using Vue.js and WordPress REST API * Worked on data-driven journalistic projects involving data collection, cleaning, and analysis with Pandas, matplotlib, and D3.js ### Testing Engineer - BEAR Center @ University of California, Berkeley Jan 2019 – Jan 2019 * Performed automated E2E and manual QA testing with RSpec, Postman, and JMeter for educational software that serves CA and IL departments of education * Wrote scripts in Python that facilitate the development and testing process ### Full Stack Developer @ Nirvana News Jan 2016 – Jan 2018 * Led the front-end development for the website of Shenzhen Middle School's news agency * Developed and published a Windows 10 UWP app for news reading ## Education ### Bachelor of Arts - BA in Computer Science University of California, Berkeley Jan 2018 – Jan 2022 ### High School Shenzhen Middle School Jan 2015 – Jan 2018 ## Contact & Social - LinkedIn: https://linkedin.com/in/haoyuan-liu-848382128 --- Source: https://flows.cv/haoyuan JSON Resume: https://flows.cv/haoyuan/resume.json Last updated: 2026-03-22