Rayner Lim

Career path.

1. Sierra

   Agent Engineer

   Mar 2026 - Present
2. Ziva AI

   Solo Founder & Engineer

   Dec 2025 - Feb 2026
3. TikTok

   Software Engineer

   Aug 2022 - Oct 2025
4. Grab

   Software Engineer Intern

   May 2021 - Aug 2021
5. STUCK DESIGN

   Developer Intern

   May 2020 - Jul 2020
6. Singapore Armed Forces (SAF)

   Command & Control Information Systems (CCIS) Operator

   Nov 2016 - May 2018