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Posted March 2026. This role may already be filled. Kept as a salary reference point.

Salary reference

SWE

Mechanize
[F] grind
$250,000 - $375,000
Rl
HN Apply
Compare all Mechanize roles
Mechanize | San Francisco, CA (Onsite) | Junior SWE ($250k + equity), Senior SWE ($375k + equity)

Applying takes <2 min: https://jobs.ashbyhq.com/mechanize

We build RL environments that frontier AI labs use to train their models on real-world software engineering. Team of ~20. We have more demand than we can keep up with, so we're hiring fast. Backed by Nat Friedman, Daniel Gross, and Patrick Collison.

Other roles at Mechanize

Junior SWE
$300,000 +
SWE
$300,000 - $350,000
All Mechanize roles → Rl salaries →

Source: Hacker News “Who is Hiring”, aggregated by StartupJobList.