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San Francisco, United States

Senior Software Engineer

Raydar · San Francisco · United States

Salary
$220,000–$315,000 per year
Contract
Full time
Occupation
Software Engineer

Posted: 10/29/2026 · Last checked: 10/29/2026

Job description

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

About the company

Our client is a software company.

The role

Raydar is recruiting for this role on behalf of our client. Lead the measurement and improvement of AI agent quality, owning evaluation design and error analysis while building the backend systems that run and monitor agents. The role also mentors engineers and helps set the reliability direction for the AI platform.

What you'll do

- Set the strategy for measuring agent quality, including evaluation design and error-analysis practice.

- Design and build the knowledge and evaluation infrastructure that AI agents depend on.

- Lead investigations into agent failures and turn the findings into platform-level reliability fixes.

- Build and harden backend services that run, evaluate and monitor agents at scale.

- Help set the reliability and quality roadmap for the AI platform, working closely with the wider AI team.

- Mentor engineers on evaluation rigor and error analysis.

Requirements

What we're looking for

- A seasoned engineering background, with founders who have a strong track record also considered.

- 1 to 2 years of experience building end-to-end AI agents or production AI platforms, including agent loops, evaluation and error analysis.

- Backend, data platform or full-stack engineering experience.

- Hands-on history shipping backend code for AI features that end users rely on in live environments.

- Degree from a top 50 computer science program, in the US or internationally.

- Comfortable being on-site in the city roughly three days each week.

Bonus points

- Experience at a recently IPO'd technology company or an AI-native startup.

- Distributed systems experience.

Benefits

Compensation and benefits

- Base salary: $220K to $315K

- Equity

Location and work model

- San Francisco, CA, United States

- Hybrid, about 3 days in-office per week on average with no set days

- 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 software engineer adverts in the United States state

Middle half: 157,312 – 222,000 USD a year; median 193,000 USD.

From 2212 adverts by 379 employers that state a salary, annualised.

How software engineer roles in the United States are worked

3% fully remote · 2% hybrid · 95% do not say

Of 646 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 210
  4. 8/24/2026 210
  5. 8/31/2026 294
  6. 9/7/2026 270
  7. 9/14/2026 332
  8. 9/21/2026 391
  9. 9/28/2026 472
  10. 10/5/2026 430
  11. 10/12/2026 513
  12. 10/19/2026 370
  13. 10/26/2026 335

4,163 openings over 12 weeks, by the week they were published.

Other roles at Raydar

791 open, including roles outside the United States.