Hi, I'm Ariel Liu. I'm a designer and developer. Let's start a conversation.

Where I've been



Staff Software Engineer

December 2022 - April 2024

  • Re-architected the Prosemirror text editor for developer simplicity
  • Improved product security by isolating code runtime into iframes
  • Integrated code compiler updates in the Codemirror editor with the React runtime


San Francisco, CA

Senior Software Engineer

July 2018 - July 2021

  • Led the Platform UX team to establish a design system
  • Re-structured information architecture across the cloud dashboard


San Francisco, CA

UX Consultant

January 2018 - June 2018

  • Iterated on UX design of Community product in Figma for type 2 diabetes patients
  • Wrote React components and backend endpoints in Python/Flask


San Francisco, CA

Front-end Software Engineer

April 2014 - January 2017

  • Built first major revision of lyft.com in Angular
  • Implemented first enterprise admin portal UI, coupon tool UI, and market configuration UI
  • Led internal tool platform decisions to aid with performance and developer productivity and ensured code quality through thorough code review
  • Advocated for the user by conducting user research with internal customers for internal tools and maintained relationships
  • Designed and built iterative prototypes based on user research findings
  • Initiated internal Atomic CSS library and coordinated with Design to ensure consistency and quality between designs and implementations
  • Wrote customer support integration for Android app

Yub (acquired by Coupons.com)

Mountain View, CA

Product Design Lead

June 2013 - March 2014

  • Redesigned the Yub product page--the main driver for sales growth--and homepage
  • Created visual identity for Yub through style guide, logo design, and illustration
  • Generated marketing materials for affiliates and brands along with mocks of ads
  • Designed and built initial affiliate portal


Cupertino, CA

iWork Engineering Intern

May 2012 - August 2012

  • Designed and implemented a feature for Numbers


San Diego, CA

Camera Sensor Team Intern

May 2011 - August 2011

  • Developed drivers for cell phones in C
  • Designed three new APIs for automated testing

Carnegie Mellon University

B.S. in Computer Science and Human-Computer Interaction

May 2013

What I do

  • Web (HTML / CSS / Javascript)
  • Java
  • C
  • Go
Design Tools
  • Photoshop
  • Illustrator
  • InDesign
  • Sketch
  • Pen / Paper
  • Wireframing
  • Usability Testing
  • Affinity Diagramming
  • Personas
  • Contextual Inquiry
Just for Fun
  • Sketching
  • Pottery
  • Rock Climbing