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James Sha

2x founder

James Sha

AI Safety @ Google | Forbes 30U30

Co-founder

Checkmate· Speedrun 004 🇺🇸 San Francisco, California, United States

2026Software Engineer· Google

Founder · since 2018

Company

Google

Role

Software Engineer

current

Stage

—

no public source

Raised

—

no public source

Based

—

Founder / co-founder — the company's markEmployee / research role

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

Checkmate

Building AI-native Vertical SaaS

Experience

Career

Google
Software Engineer · 2026 – Present
2026
Checkmate
Co-founder
Co-Founder & CTO · 2025 – 2026
2025
Cure.Fit
Digital · 2021 – 2022
2021
Onyx
Co-founder
Co-Founder & CTO · San Francisco Bay Area · 2018 – 2022
2018
Google
Software Engineer · 2015 – 2017
2015
UC Berkeley
Teaching Assistant · 2014
2014
UC Berkeley
Undergraduate Researcher · Berkeley, CA · 2012 – 2014
2012
Facebook
Software Engineering Intern · Menlo Park · 2014
2014

Bio

Co-founder & CTO @ Labyrinth | Previously Co-founder & CTO @ Onyx, scaled to 300k+ users & acq by Curefit | ex-Google | Forbes 30u30