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People / Longfeng Jia
LJ
Career profile

Longfeng Jia

Senior staff machine learning engineer at Meta

San Francisco Bay Area

Career path.

  1. Meta

    Senior Staff Machine Learning Engineer

    Nov 2025 - Present
  2. Coupang

    Senior Staff Software Engineer

    Oct 2024 - Nov 2025
  3. Google

    Engineer Lead

    Nov 2023 - Oct 2024
  4. YouTube

    Tech Lead Manager & Engineering Lead

    Nov 2020 - Nov 2023
  5. Google

    Software Engineer

    Jun 2015 - Nov 2020
  6. Amazon

    SDE Intern

    May 2014 - Aug 2014
  7. University of Southern California

    Grader

    Jan 2014 - May 2014
  8. University of Southern California

    Graduate Student

    Aug 2013 - May 2015
  9. Nokia

    Software Development Engineer Intern

    Jun 2012 - Aug 2012