# Backend developer jobs in San Francisco

> Browse backend developer 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. Page 4 of 7.

Canonical: https://lazee.dev/careers?role=backend&city=san-francisco&page=4
Last updated: 2026-10-25

152 open jobs, page 4 of 7, newest first. Each job links to its posting on the company's own applicant tracking system, which the Lazee extension autofills.

## Jobs

- [Senior Engineer, Backend/Infra](https://www.workatastartup.com/jobs/90991) at AgentMail. San Francisco, CA, US · On-site · Full-time · $250K - $400K + 1.00% - 2.00% equity · posted 2026-02-27. Apply on Y Combinator.
- [Senior Software Engineer, Backend](https://www.workatastartup.com/jobs/91013) at Finch. San Francisco, New York City / Remote (US) · Remote · Full-time · $200K - $220K · posted 2026-02-27. Apply on Y Combinator.
- [Founding Research Engineer](https://www.workatastartup.com/jobs/89199) at Event Horizon Labs. San Francisco, CA, US · On-site · Full-time · $150K - $200K + 1.00% - 3.00% equity · posted 2026-01-28. Apply on Y Combinator.
- [Founding Engineer, Infrastructure](https://www.workatastartup.com/jobs/89578) at Cloudglue. San Francisco, CA, US / Remote (Seattle, WA, US; Los Angeles, CA, US) · Remote · Full-time · $120K - $250K + 0.50% - 2.50% equity · posted 2026-01-28. Apply on Y Combinator.
- [Software Engineer, Infrastructure](https://www.workatastartup.com/jobs/88921) at Middesk. San Francisco · On-site · Full-time · $148K - $230K · posted 2026-01-28. Apply on Y Combinator.
- [Product Engineer](https://www.workatastartup.com/jobs/89711) at Bunkerhill Health. San Francisco, CA, US · On-site · Full-time · $140K - $240K · posted 2026-01-28. Apply on Y Combinator.
- [Agent Engineer (Senior)](https://www.workatastartup.com/jobs/89595) at Substrate. San Francisco, CA, US · On-site · Full-time · $125K - $200K + 0.01% - 0.10% equity · posted 2026-01-28. Apply on Y Combinator.
- [Founding Engineer - Staff/Senior](https://www.workatastartup.com/jobs/88994) at Flowtel. San Francisco, CA, US · On-site · Full-time · $180K - $250K + 0.70% - 3.00% equity · posted 2026-01-28. Apply on Y Combinator.
- [Founding Engineer (Platform/Backend)](https://www.workatastartup.com/jobs/89634) at Dataleap. San Francisco, CA, US / Munich, BY, DE / Munich, Bavaria, DE · On-site · Full-time · $120K - $250K + 0.20% - 1.00% equity · posted 2026-01-26. Apply on Y Combinator.
- [Software Engineer](https://www.workatastartup.com/jobs/88916) at Middesk. San Francisco / New York, NY, US · On-site · Full-time · $148K - $250K · posted 2026-01-26. Apply on Y Combinator.
- [Backend Engineer, Consumer Devices](https://jobs.ashbyhq.com/openai/8e301350-62fb-4251-bc34-c7036498f08c) at OpenAI. San Francisco · Full-time · $293K – $325K • Offers Equity · posted 2026-01-20. Apply on Ashby.
- [Member of Technical Staff - Product (Backend)](https://jobs.ashbyhq.com/modal/a4b8b2b6-5d0c-4ba6-9256-b84be84fb79e) at Modal. San Francisco · On-site · Full-time · $150K – $300K • Offers Equity · posted 2026-01-09. Apply on Ashby.
- [Staff Backend Engineer](https://www.workatastartup.com/jobs/88394) at Giga. San Francisco, CA, US · On-site · Full-time · $180K - $500K · posted 2025-12-29. Apply on Y Combinator.
- [Software Engineer, Backend](https://www.workatastartup.com/jobs/88145) at Anara. San Francisco · On-site · Full-time · $150K - $200K + 0.50% - 1.00% equity · posted 2025-12-29. Apply on Y Combinator.
- [Senior Backend Engineer (Python)](https://www.workatastartup.com/jobs/87967) at Phonely. San Francisco, CA, US · On-site · Full-time · $150K - $220K + 0.10% - 0.45% equity · posted 2025-12-29. Apply on Y Combinator.
- [Founding Software Engineer - Backend and Infrastructure](https://www.workatastartup.com/jobs/87605) at Unsiloed AI. San Francisco, CA, US · On-site · Full-time · $150K - $300K + 0.10% - 1.00% equity · posted 2025-12-29. Apply on Y Combinator.
- [Software Engineer, Identity](https://www.workatastartup.com/jobs/87516) at Zip. San Francisco, CA, US · On-site · Full-time · $140K - $190K · posted 2025-12-29. Apply on Y Combinator.
- [Backend Engineer](https://www.workatastartup.com/jobs/86079) at Raindrop. San Francisco, CA, US · On-site · Full-time · $150K - $250K + 0.10% - 1.50% equity · posted 2025-11-29. Apply on Y Combinator.
- [Software Engineer, Backend](https://www.workatastartup.com/jobs/86431) at Shepherd. San Francisco · On-site · Full-time · $170K - $220K · posted 2025-11-29. Apply on Y Combinator.
- [Founding Engineer](https://www.workatastartup.com/jobs/84801) at AgentMail. San Francisco, CA, US · On-site · Full-time · $150K - $250K + 0.50% - 2.00% equity · posted 2025-10-30. Apply on Y Combinator.
- [Backend Software Engineer](https://www.workatastartup.com/jobs/84174) at Outset. San Francisco · On-site · Full-time · $175K - $250K · posted 2025-10-30. Apply on Y Combinator.
- [Founding Prompt/Context Engineer](https://www.workatastartup.com/jobs/84780) at Novoflow. San Francisco, CA, US / Remote (US) · Remote · Full-time · $150K - $250K + 0.80% - 1.80% equity · posted 2025-10-30. Apply on Y Combinator.
- [Staff+ Software Engineer, Infrastructure (Distributed Systems)](https://job-boards.greenhouse.io/anthropic/jobs/4970314008) at Anthropic. San Francisco, CA | New York City, NY | Seattle, WA · posted 2025-10-29. Apply on Greenhouse.
- [Product Engineer](https://www.workatastartup.com/jobs/85113) at Lamar Health. San Francisco, CA, US / San Mateo, CA, US / Remote (US; CA) · Remote · Full-time · $150K - $220K + 0.10% - 1.00% equity · posted 2025-10-29. Apply on Y Combinator.
- [Backend Engineer](https://www.workatastartup.com/jobs/75538) at Dart. San Francisco, CA, US / Remote (San Francisco, CA, US) · Remote · Full-time · $40K - $100K + 0.50% - 1.50% equity · posted 2025-10-25. Apply on Y Combinator.

Next page: https://lazee.dev/careers?role=backend&city=san-francisco&page=5

## Broader searches

- [Jobs in San Francisco](https://lazee.dev/careers?city=san-francisco) (5,971 jobs)
- [Backend developer jobs](https://lazee.dev/careers?role=backend) (650 jobs)

## Browse by role

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## Browse by city

- [Backend developer jobs in New York](https://lazee.dev/careers?role=backend&city=new-york) (83 jobs)
- [Backend developer jobs in Bangalore](https://lazee.dev/careers?role=backend&city=bangalore) (41 jobs)
- [Backend developer jobs in London](https://lazee.dev/careers?role=backend&city=london) (24 jobs)
- [Backend developer jobs in Toronto](https://lazee.dev/careers?role=backend&city=toronto) (15 jobs)
- [Backend developer jobs in Seattle](https://lazee.dev/careers?role=backend&city=seattle) (12 jobs)

## Browse by experience

- [Mid level backend developer jobs in San Francisco](https://lazee.dev/careers?role=backend&level=mid&city=san-francisco) (86 jobs)
- [Senior backend developer jobs in San Francisco](https://lazee.dev/careers?role=backend&level=senior&city=san-francisco) (42 jobs)
- [Staff & principal backend developer jobs in San Francisco](https://lazee.dev/careers?role=backend&level=staff&city=san-francisco) (16 jobs)

## Browse by workplace

- [On-site backend developer jobs in San Francisco](https://lazee.dev/careers?role=backend&city=san-francisco&workplace=onsite) (97 jobs)
- [Remote backend developer jobs in San Francisco](https://lazee.dev/careers?role=backend&city=san-francisco&workplace=remote) (28 jobs)

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