# On-site backend developer jobs

> Browse on-site backend developer jobs 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 8.

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

200 open jobs, page 4 of 8, newest first. Each job links to its posting on the company's own applicant tracking system, which the Lazee extension autofills.

## Jobs

- [Senior Software Engineer, Platform](https://www.workatastartup.com/jobs/93804) at CTGT. San Francisco, CA, US · On-site · Full-time · $175K - $250K + 0.50% - 1.00% equity · posted 2026-04-28. Apply on Y Combinator.
- [Senior Software Engineer](https://www.workatastartup.com/jobs/93803) at CTGT. San Francisco, CA, US · On-site · Full-time · $175K - $250K + 0.50% - 1.00% equity · posted 2026-04-28. Apply on Y Combinator.
- [Senior Backend Engineer (Series A Backed)](https://www.workatastartup.com/jobs/93485) at Phonely. San Francisco, California · On-site · Full-time · $180K - $230K + 0.10% - 0.45% equity · posted 2026-04-28. Apply on Y Combinator.
- [Harness Engineer](https://www.workatastartup.com/jobs/93217) at Substrate. San Francisco, CA, US · On-site · Full-time · $140K - $200K + 0.01% - 0.10% equity · posted 2026-04-28. Apply on Y Combinator.
- [Software Engineering Intern, Backend](https://jobs.ashbyhq.com/ramp/acf6b28d-767f-483f-8ff2-114620cd7e04) at Ramp. New York, NY (HQ) · On-site · Internship · $12.5K per month · posted 2026-04-09. Apply on Ashby.
- [Founding Backend Engineer](https://www.workatastartup.com/jobs/92474) at Novaflow. San Francisco, CA, US · On-site · Full-time · $150K - $250K + 0.25% - 2.00% equity · posted 2026-03-29. Apply on Y Combinator.
- [Software Engineer — Platform](https://www.workatastartup.com/jobs/92950) at Tasklet. San Francisco, CA, US · On-site · Full-time · $225K - $425K + 0.20% - 0.65% equity · posted 2026-03-29. Apply on Y Combinator.
- [Senior Software Engineer](https://www.workatastartup.com/jobs/92448) at JITX. Berkeley, CA, US · On-site · Full-time · $150K - $250K + 0.10% - 0.50% equity · posted 2026-03-29. Apply on Y Combinator.
- [Senior Backend Software Engineer](https://www.workatastartup.com/jobs/92260) at Tennr. New York, NY, US · On-site · Full-time · $200K - $220K · posted 2026-03-29. Apply on Y Combinator.
- [Backend Engineer, Thinking Systems](https://www.workatastartup.com/jobs/92573) at GovernGPT. Montreal, QC, CA / Montreal, Quebec, CA · On-site · Full-time · $115K - $175K CAD + 0.25% - 0.75% equity · posted 2026-03-27. Apply on Y Combinator.
- [Founding Software Engineer](https://www.workatastartup.com/jobs/90937) at Event Horizon Labs. San Francisco, CA, US · On-site · Full-time · $150K - $200K + 1.00% - 3.00% equity · posted 2026-02-27. Apply on Y Combinator.
- [Principal Backend Engineer](https://www.workatastartup.com/jobs/90988) at Heron. London, UK / New York, NY, US · On-site · Full-time · $315K - $440K + 0.10% - 0.15% equity · posted 2026-02-27. Apply on Y Combinator.
- [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.
- [Backend Engineer / Architect](https://www.workatastartup.com/jobs/90304) at Cyble. Bengaluru, KA, IN / Bengaluru, Karnataka, IN · On-site · Full-time · ₹6M - ₹10M INR · posted 2026-02-27. Apply on Y Combinator.
- [Infra Engineer](https://www.workatastartup.com/jobs/90198) at Finosu. New York, NY, US · On-site · Full-time · $125K - $200K + 0.25% - 2.00% equity · posted 2026-02-27. Apply on Y Combinator.
- [Software Engineer, Backend](https://www.workatastartup.com/jobs/91982) at Terminal. 📍 Toronto, ON · On-site · Full-time · $185K - $285K CAD · posted 2026-02-27. Apply on Y Combinator.
- [Senior Software Engineer, Prenatal](https://www.workatastartup.com/jobs/90769) at BillionToOne. Menlo Park, CA, US · On-site · Full-time · $190K - $211K · posted 2026-02-27. Apply on Y Combinator.
- [Software Engineer (4-6 Years Experience)](https://www.workatastartup.com/jobs/91105) at Lighthouz AI. DL, IN / Delhi, IN · On-site · Full-time · ₹2M - ₹3.5M INR · posted 2026-02-25. 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.
- [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.
- [Senior Backend Engineer](https://www.workatastartup.com/jobs/88954) at Cambio. Waterloo · On-site · Full-time · 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.
- [Backend Engineer](https://www.workatastartup.com/jobs/88980) at QFEX. London, England, GB / New York, NY, US · On-site · Full-time · $100K - $200K · posted 2026-01-28. Apply on Y Combinator.

Next page: https://lazee.dev/careers?role=backend&workplace=onsite&page=5

## Broader searches

- [Backend developer jobs](https://lazee.dev/careers?role=backend) (650 jobs)
- [On-site tech jobs](https://lazee.dev/careers?workplace=onsite) (5,511 jobs)

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## Browse by country

- [On-site backend developer jobs in the US](https://lazee.dev/careers?role=backend&region=us&workplace=onsite) (146 jobs)
- [On-site backend developer jobs in India](https://lazee.dev/careers?role=backend&region=india&workplace=onsite) (24 jobs)
- [On-site backend developer jobs in the UK](https://lazee.dev/careers?role=backend&region=uk&workplace=onsite) (13 jobs)

## Browse by city

- [On-site backend developer jobs in San Francisco](https://lazee.dev/careers?role=backend&city=san-francisco&workplace=onsite) (97 jobs)
- [On-site backend developer jobs in New York](https://lazee.dev/careers?role=backend&city=new-york&workplace=onsite) (36 jobs)
- [On-site backend developer jobs in Bangalore](https://lazee.dev/careers?role=backend&city=bangalore&workplace=onsite) (19 jobs)
- [On-site backend developer jobs in London](https://lazee.dev/careers?role=backend&city=london&workplace=onsite) (13 jobs)

## Browse by experience

- [Mid level on-site backend developer jobs](https://lazee.dev/careers?role=backend&level=mid&workplace=onsite) (112 jobs)
- [Senior on-site backend developer jobs](https://lazee.dev/careers?role=backend&level=senior&workplace=onsite) (66 jobs)
- [Staff & principal on-site backend developer jobs](https://lazee.dev/careers?role=backend&level=staff&workplace=onsite) (16 jobs)

## Browse by workplace

- [Remote backend developer jobs](https://lazee.dev/careers?role=backend&workplace=remote) (232 jobs)
- [Hybrid backend developer jobs](https://lazee.dev/careers?role=backend&workplace=hybrid) (40 jobs)

## Related

- [Lazee.dev home: the job application autofill extension](https://lazee.dev)
- [Jobs API](https://lazee.dev/api)
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