Jianfei H.

Career path.

1. OpenAI

   Member of Technical Staff

   Apr 2026 - Present
2. ClickHouse

   Principal Software Engineer

   Feb 2025 - Mar 2026
3. ClickHouse

   Senior Software Engineer

   Oct 2022 - Feb 2025
4. Tetrate

   Software Engineer

   Aug 2021 - Sep 2022
5. Google

   Software Engineer

   Apr 2015 - Jul 2021
6. Tsinghua University

   Research Internship

   Aug 2012 - Feb 2013