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JJ
Career profile

Jinlong Ji

xAI API Post-training team| Last Mile for LLM Application | Ex-Roblox MLE | Ex-Google Cloud AI Visioner

San Mateo, California, United States

Career path.

  1. xAI

    Member of Technical Staff

    Dec 2025 - Present
  2. Roblox

    Senior Deep Learning Engineer

    Jun 2023 - Oct 2025
  3. Google

    Software Engineer, Machine Learning

    Aug 2020 - Mar 2023
  4. Case Western Reserve University

    Research Assistant

    Sep 2019 - Aug 2020
  5. Bosch

    Deep Learning Research Intern

    Jun 2019 - Sep 2019
  6. Case Western Reserve University

    Research Assistant

    Aug 2015 - Aug 2020
  7. Mississippi State University

    Teaching Assistant

    Sep 2014 - Aug 2015