Machine Learning Engineer
- Salary
- $125,000 - $200,000 per year
- Level
- Mid
Not stated in the posting: work type, visa.
Open. First seen 23 October 2026.
About the role
About the company
Our client is an early-stage software company.
The role
Raydar is recruiting for this role on behalf of our client. Serve as the first engineering hire, building reinforcement learning environments and production AI agents. Work side by side with the company's leadership to shape technical priorities, and step into running the engineering function as headcount grows.
What you'll do
- Build reinforcement learning environments from proprietary datasets.
- Develop and deploy AI agents for business customers.
- Help company leadership decide technical direction and plan what to build next.
- Take on leadership of the engineering team as it expands.
- Deliver quickly without lowering quality standards in a startup setting.
Requirements
What we're looking for
- 3 to 7 years of engineering experience with strong reinforcement learning fundamentals.
- Prior experience building reinforcement learning environments, at an RL-focused company or a data company with hands-on RL exposure.
- Hands-on experience building and running AI agents in production.
- Daily use of AI-assisted coding tools as part of production work.
- Living in the Bay Area or ready to move there, with a full in-office schedule.
Bonus points
- Prior experience at a leading human data company.
- Full-stack engineering background, for example TypeScript and AWS.
- Mobile development experience with iOS, Swift or React Native.
- Startup experience with a demonstrated record of shipping quickly.
Benefits
Compensation and benefits
- Base salary: USD 125,000 to 200,000 per year
- Performance bonus
Location and work model
- San Francisco, CA, United States
- On-site
- Full-time
Other openings for this role
8 open postings for this role in San Francisco, first posted 23 October 2026. The company is likely hiring for more than one position. None has been taken down and posted again.
- 23 October 2026 – open
- 23 October 2026 – open
- 23 October 2026 – open (this posting)
- 23 October 2026 – open
- 23 October 2026 – open
- 23 October 2026 – open
- 23 October 2026 – open
- 23 October 2026 – open
Salary context
71 other open postings titled Machine Learning Engineer state a salary: median USD 160,000 to USD 225,000 a year.
See Machine Learning Engineer salaries in San Francisco →
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