Allen Chen

Career path.

1. Sierra

   Engineer

   Sep 2025 - Present
2. Plaid

   Director of Engineering

   May 2021 - Aug 2025
3. Twitter

   Engineering Manager, Conversations & Fleets

   Jan 2019 - May 2021
4. Twitter

   Engineering Manager, Timelines Infrastructure

   Jan 2017 - Jan 2019
5. Twitter

   Senior Software Engineer

   Jan 2013 - Jan 2017
6. Google

   Software Engineer

   Jan 2012 - Jan 2013
7. UC Berkeley RAD/AMP Lab

   Student Researcher

   Jan 2010 - Jan 2012
8. Microsoft

   Software Development Engineer - Intern

   Jan 2010 - Jan 2011