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San Francisco, United States

Machine Learning Engineer

Raydar · San Francisco · United States

Salary
$125,000–$200,000 per year
Contract
Full time
Occupation
Data Scientist

Posted: 10/6/2026 · Last checked: 10/28/2026

Job description

Quoted in full from Raydar's job posting. Gavroche does not edit it.

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

From Gavroche data

Figures computed from live adverts on Gavroche; the job text above is the employer's.

Similar roles in San Francisco

200 open roles like this one; at most three per employer shown.

What data scientist adverts in the United States state

Middle half: 173,500 – 250,000 USD a year; median 209,000 USD.

From 367 adverts by 153 employers that state a salary, annualised.

How data scientist roles in the United States are worked

6% fully remote · 2% hybrid · 92% do not say

Of 164 adverts. An advert that does not state a work mode is counted as not saying, not as on-site.

New openings in San Francisco, by week

  1. 8/3/2026 143
  2. 8/10/2026 193
  3. 8/17/2026 211
  4. 8/24/2026 210
  5. 8/31/2026 295
  6. 9/7/2026 271
  7. 9/14/2026 332
  8. 9/21/2026 390
  9. 9/28/2026 472
  10. 10/5/2026 431
  11. 10/12/2026 515
  12. 10/19/2026 369
  13. 10/26/2026 203

4,035 openings over 12 weeks, by the week they were published.

Other roles at Raydar

749 open, including roles outside the United States.