Sean Quinlan

Career path.

1. OpenAI

   Member of Technical Staff

   Oct 2025 - Present
2. Dagster Labs

   Software Engineer

   Nov 2023 - Oct 2025
3. Development Seed

   Software Engineer

   Jan 2023 - Dec 2023
4. Facebook

   Senior Software Engineering Manager

   Jan 2018 - May 2021
5. Facebook

   Tech Lead Manager

   Jan 2016 - Jan 2018
6. Facebook

   Senior Software Engineer

   Jan 2015 - Jan 2016
7. Facebook

   Software Engineer

   Jun 2012 - Jan 2015
8. Facebook

   Developer Support Engineer

   Sep 2011 - Jun 2012
9. Facebook

   Developer Support Engineer

   Jun 2011 - Sep 2011
10. CDM Technologies

    Software Developer

    Jun 2009 - Jun 2011
11. Self-employed

    Freelance Software Engineer

    Jan 2006 - Jun 2009