Chengyin Liu

Seasoned software builder, team leader, and company founder.

Experience

Slab Co-founder/CTO Jun 2017 — Dec 2023

Airbnb Senior Software Engineer Apr 2016 — Jun 2017

Backplane Lead Software Engineer Feb 2012 — Apr 2016

Early Career

WePay Software Engineer Intern Jul 2011 — Sep 2011

Designed and implemented a store that is embeddable in any page, which made to the TechCrunch and drew 300 new sellers for WePay on the launch day alone.

Wandoujia Software Engineer Intern May 2010 — July 2010

Built a dashboard using HTML, CSS and JavaScript as the front-end developer for Wandoujia, the missing managing software for Android phones.

Personal Projects

AI Changelog Jun 2024 — Aug 2024

Created a product transforming GitHub activities into human-readable changelogs using LLMs. Optimized performance and cost through model benchmarking and prompt engineering across GPT-3.5 turbo, GPT-4 mini, and Claude 3 Haiku. Built with Next.js, Tailwind CSS, and React Server Components on Vercel.

WhatFont Apr 2011 — Mar 2024

Created a popular browser extension for web typography inspection with 3-million+ weekly users. Built with React and Tailwind CSS.

Archived Projects

Education

University of Illinois at Urbana-Champaign Class of Winter 2011

Bachelor of Science in Computer Science