# Mid level on-site jobs in San Francisco

> Browse mid level on-site jobs in San Francisco at top tech companies, updated every 12 hours. Each role links to the original posting on the company's ATS, which Lazee autofills in a few clicks.

Canonical: https://lazee.dev/careers?level=mid&city=san-francisco&workplace=onsite
Last updated: 2026-10-25

1,374 open jobs, page 1 of 55, newest first. Each job links to its posting on the company's own applicant tracking system, which the Lazee extension autofills.

## Jobs

- [Applied AI](https://www.workatastartup.com/jobs/106944) at Rational. San Francisco, CA, US · On-site · Full-time · $120K - $200K + 0.50% - 2.00% equity · posted 2026-10-25. Apply on Y Combinator.
- [Machine Learning Researcher](https://www.workatastartup.com/jobs/106941) at Rational. San Francisco, CA, US · On-site · Full-time · $150K - $200K + 0.50% - 2.00% equity · posted 2026-10-25. Apply on Y Combinator.
- [AI Engineer (interested in physical infrastructure)](https://www.workatastartup.com/jobs/105565) at Torus. San Francisco, CA, US · On-site · Full-time · $150K - $250K + 0.25% - 0.50% equity · posted 2026-10-25. Apply on Y Combinator.
- [Material Handler](https://www.workatastartup.com/jobs/118559) at Astranis. San Francisco, California, United States · On-site · Full-time · posted 2026-10-24. Apply on Y Combinator.
- [Research Engineer](https://www.workatastartup.com/jobs/118550) at David AI. San Francisco · On-site · Full-time · $210K - $360K · posted 2026-10-24. Apply on Y Combinator.
- [Mechanical Engineer, Manufacturing & Rapid Prototyping](https://www.workatastartup.com/jobs/118484) at Nori. San Francisco, CA, US · On-site · Full-time · $100K - $120K · posted 2026-10-23. Apply on Y Combinator.
- [Engineering Technician, Actuators](https://jobs.ashbyhq.com/openai/2986efa0-6d1c-4a1f-a629-13ad86559e24) at OpenAI. San Francisco · On-site · Full-time · $113K – $260K • Offers Equity · posted 2026-10-23. Apply on Ashby.
- [Executive Assistant / Operations Coordinator](https://www.workatastartup.com/jobs/118485) at Nori. San Francisco, CA, US · On-site · Full-time · $80K - $100K · posted 2026-10-23. Apply on Y Combinator.
- [Full Stack Product Engineer](https://www.workatastartup.com/jobs/69750) at Wefunder. San Francisco, CA, US · On-site · Full-time · $160K - $250K · posted 2026-10-23. Apply on Y Combinator.
- [Forward Deployed Engineer](https://www.workatastartup.com/jobs/112214) at Neuromorphic. San Francisco, CA, US · On-site · Full-time · $100K - $150K + 0.50% - 1.50% equity · posted 2026-10-23. Apply on Y Combinator.
- [Founding Engineer](https://www.workatastartup.com/jobs/100730) at Bloomy. San Francisco, CA, US · On-site · Full-time · $175K - $200K + 1.50% - 2.00% equity · posted 2026-10-23. Apply on Y Combinator.
- [Founding Engineer](https://www.workatastartup.com/jobs/115910) at Pluto. San Francisco, CA, US / New York, NY, US · On-site · Full-time · $120K - $200K + 0.15% - 1.00% equity · posted 2026-10-23. Apply on Y Combinator.
- [Founding AI Engineer](https://www.workatastartup.com/jobs/111820) at COACH. San Francisco, CA, US · On-site · Full-time · $150K - $250K + 0.50% - 1.50% equity · posted 2026-10-23. Apply on Y Combinator.
- [AI Engineer](https://www.workatastartup.com/jobs/94768) at LemonLime. San Francisco, CA, US · On-site · Full-time · $100K - $120K + 0.50% equity · posted 2026-10-23. Apply on Y Combinator.
- [Sales Engineer](https://www.workatastartup.com/jobs/118396) at Simple AI. San Francisco · On-site · Full-time · $160K - $220K · posted 2026-10-23. Apply on Y Combinator.
- [AI Agent Engineer](https://www.workatastartup.com/jobs/118395) at Simple AI. San Francisco · On-site · Full-time · $120K - $200K · posted 2026-10-23. Apply on Y Combinator.
- [Infrastructure Engineer](https://www.workatastartup.com/jobs/118392) at Simple AI. San Francisco · On-site · Full-time · $140K - $250K · posted 2026-10-23. Apply on Y Combinator.
- [Software Engineer](https://www.workatastartup.com/jobs/118388) at Simple AI. San Francisco · On-site · Full-time · $130K - $280K · posted 2026-10-23. Apply on Y Combinator.
- [Member of Technical Staff, (Software Engineer, Experience)](https://jobs.ashbyhq.com/perplexity/06dcd116-2b07-4f40-869e-06ed540f7614) at Perplexity. San Francisco · On-site · Full-time · $220K – $405K • Offers Equity · posted 2026-10-22. Apply on Ashby.
- [Sales Development Representative](https://www.workatastartup.com/jobs/118397) at Simple AI. San Francisco · On-site · Full-time · $120K · posted 2026-10-22. Apply on Y Combinator.
- [Enterprise Account Executive](https://www.workatastartup.com/jobs/118393) at Simple AI. San Francisco · On-site · Full-time · $350K · posted 2026-10-22. Apply on Y Combinator.
- [SDR Manager](https://www.workatastartup.com/jobs/118390) at Simple AI. San Francisco · On-site · Full-time · $130K - $180K · posted 2026-10-22. Apply on Y Combinator.
- [Channel Partnerships Manager](https://www.workatastartup.com/jobs/118389) at Simple AI. San Francisco · On-site · Full-time · $140K - $200K · posted 2026-10-22. Apply on Y Combinator.
- [Electrical Engineer, PCBA Test Infrastructure, Robotics](https://jobs.ashbyhq.com/openai/83939922-2a95-4cc0-b8ff-e1b15ed5254b) at OpenAI. San Francisco · On-site · Full-time · $318K – $485K • Offers Equity · posted 2026-10-22. Apply on Ashby.
- [Manager, Cyber - Applied AI Architect](https://jobs.ashbyhq.com/openai/8ac9a248-4069-45cc-a00e-82f22f1e7ed2) at OpenAI. San Francisco · On-site · Full-time · $217K – $241K • Offers Equity • Offers Commission · posted 2026-10-21. Apply on Ashby.

Next page: https://lazee.dev/careers?level=mid&city=san-francisco&workplace=onsite&page=2

## Broader searches

- [On-site jobs in San Francisco](https://lazee.dev/careers?city=san-francisco&workplace=onsite) (2,144 jobs)
- [Mid level jobs in San Francisco](https://lazee.dev/careers?level=mid&city=san-francisco) (3,394 jobs)
- [Mid level on-site tech jobs](https://lazee.dev/careers?level=mid&workplace=onsite) (3,369 jobs)

## Browse by city

- [Mid level on-site jobs in New York](https://lazee.dev/careers?level=mid&city=new-york&workplace=onsite) (567 jobs)
- [Mid level on-site jobs in London](https://lazee.dev/careers?level=mid&city=london&workplace=onsite) (175 jobs)
- [Mid level on-site jobs in Bangalore](https://lazee.dev/careers?level=mid&city=bangalore&workplace=onsite) (116 jobs)
- [Mid level on-site jobs in Paris](https://lazee.dev/careers?level=mid&city=paris&workplace=onsite) (108 jobs)
- [Mid level on-site jobs in São Paulo](https://lazee.dev/careers?level=mid&city=sao-paulo&workplace=onsite) (54 jobs)
- [Mid level on-site jobs in Delhi NCR](https://lazee.dev/careers?level=mid&city=delhi-ncr&workplace=onsite) (53 jobs)
- [Mid level on-site jobs in Los Angeles](https://lazee.dev/careers?level=mid&city=los-angeles&workplace=onsite) (53 jobs)
- [Mid level on-site jobs in Tel Aviv](https://lazee.dev/careers?level=mid&city=tel-aviv&workplace=onsite) (42 jobs)
- [Mid level on-site jobs in Toronto](https://lazee.dev/careers?level=mid&city=toronto&workplace=onsite) (42 jobs)
- [Mid level on-site jobs in Berlin](https://lazee.dev/careers?level=mid&city=berlin&workplace=onsite) (37 jobs)
- [Mid level on-site jobs in Austin](https://lazee.dev/careers?level=mid&city=austin&workplace=onsite) (34 jobs)
- [Mid level on-site jobs in Mumbai](https://lazee.dev/careers?level=mid&city=mumbai&workplace=onsite) (30 jobs)
- [Mid level on-site jobs in Munich](https://lazee.dev/careers?level=mid&city=munich&workplace=onsite) (27 jobs)
- [Mid level on-site jobs in Boston](https://lazee.dev/careers?level=mid&city=boston&workplace=onsite) (20 jobs)
- [Mid level on-site jobs in Hyderabad](https://lazee.dev/careers?level=mid&city=hyderabad&workplace=onsite) (20 jobs)
- [Mid level on-site jobs in Chicago](https://lazee.dev/careers?level=mid&city=chicago&workplace=onsite) (19 jobs)
- [Mid level on-site jobs in Sydney](https://lazee.dev/careers?level=mid&city=sydney&workplace=onsite) (17 jobs)
- [Mid level on-site jobs in Pune](https://lazee.dev/careers?level=mid&city=pune&workplace=onsite) (16 jobs)
- [Mid level on-site jobs in Dublin](https://lazee.dev/careers?level=mid&city=dublin&workplace=onsite) (15 jobs)
- [Mid level on-site jobs in Seattle](https://lazee.dev/careers?level=mid&city=seattle&workplace=onsite) (15 jobs)
- [Mid level on-site jobs in Tokyo](https://lazee.dev/careers?level=mid&city=tokyo&workplace=onsite) (12 jobs)

## Browse by experience

- [Senior on-site jobs in San Francisco](https://lazee.dev/careers?level=senior&city=san-francisco&workplace=onsite) (364 jobs)
- [On-site internships in San Francisco](https://lazee.dev/careers?level=intern&city=san-francisco&workplace=onsite) (137 jobs)
- [Manager-level on-site jobs in San Francisco](https://lazee.dev/careers?level=manager&city=san-francisco&workplace=onsite) (132 jobs)
- [Staff & principal on-site jobs in San Francisco](https://lazee.dev/careers?level=staff&city=san-francisco&workplace=onsite) (70 jobs)
- [Entry level on-site jobs in San Francisco](https://lazee.dev/careers?level=entry&city=san-francisco&workplace=onsite) (67 jobs)

## Browse by workplace

- [Mid level remote jobs in San Francisco](https://lazee.dev/careers?level=mid&city=san-francisco&workplace=remote) (442 jobs)
- [Mid level hybrid jobs in San Francisco](https://lazee.dev/careers?level=mid&city=san-francisco&workplace=hybrid) (416 jobs)

## Related

- [Lazee.dev home: the job application autofill extension](https://lazee.dev)
- [Jobs API](https://lazee.dev/api)
- [About Lazee.dev](https://lazee.dev/about)
- [Privacy Policy](https://lazee.dev/privacy)
- [Terms of Service](https://lazee.dev/terms)