# On-site backend developer jobs in London

> Browse on-site backend developer jobs in London 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?role=backend&city=london&workplace=onsite
Last updated: 2026-10-25

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

## Jobs

- [Principal Engineer - Backend](https://www.workatastartup.com/jobs/113039) at Encord. London, England, GB · On-site · Full-time · £150K - £200K GBP · posted 2026-09-30. Apply on Y Combinator.
- [Senior Backend Engineer](https://www.workatastartup.com/jobs/107401) at Saturn. London, England, GB · On-site · Full-time · £90K - £150K GBP · posted 2026-08-26. Apply on Y Combinator.
- [Staff Backend Engineer, Platform](https://www.workatastartup.com/jobs/98791) at Zeit AI. Munich / London, England, GB · On-site · Full-time · €95K - €270K EUR · posted 2026-06-25. Apply on Y Combinator.
- [Software Engineer, Backend](https://www.workatastartup.com/jobs/96281) at Encord. London · On-site · Full-time · posted 2026-05-28. Apply on Y Combinator.
- [Backend Software Engineer](https://www.workatastartup.com/jobs/95009) at Encord. London · On-site · Full-time · posted 2026-05-28. 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.
- [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.
- [Senior Backend Engineer](https://www.workatastartup.com/jobs/85543) at Model ML. London, England, GB · On-site · Full-time · $120K - $180K · posted 2025-11-29. Apply on Y Combinator.
- [Software Engineer, Backend](https://www.workatastartup.com/jobs/75115) at Duffel. London, England, GB · On-site · Full-time · £80K - £90K GBP · posted 2025-10-25. Apply on Y Combinator.
- [Backend Engineer](https://www.workatastartup.com/jobs/82144) at nsave. London, England, GB · On-site · Full-time · £1 GBP · posted 2025-10-25. Apply on Y Combinator.
- [Founding Software Engineer](https://www.workatastartup.com/jobs/81350) at Elyos AI. London, England, GB · On-site · Full-time · £150K - £250K GBP · posted 2025-10-25. Apply on Y Combinator.
- [Research Engineer](https://www.workatastartup.com/jobs/76806) at QFEX. London, England, GB · On-site · Full-time · $150K - $250K + 0.10% - 0.50% equity · posted 2025-10-25. Apply on Y Combinator.
- [Backend Software Engineer](https://www.workatastartup.com/jobs/53936) at Encord. London · On-site · Full-time · posted 2022-10-26. Apply on Y Combinator.

## Broader searches

- [On-site jobs in London](https://lazee.dev/careers?city=london&workplace=onsite) (277 jobs)
- [Backend developer jobs in London](https://lazee.dev/careers?role=backend&city=london) (24 jobs)
- [On-site backend developer jobs](https://lazee.dev/careers?role=backend&workplace=onsite) (200 jobs)

## Browse by role

- [On-site engineering jobs in London](https://lazee.dev/careers?role=engineering&city=london&workplace=onsite) (115 jobs)
- [On-site full stack developer jobs in London](https://lazee.dev/careers?role=fullstack&city=london&workplace=onsite) (52 jobs)
- [On-site sales jobs in London](https://lazee.dev/careers?role=sales&city=london&workplace=onsite) (47 jobs)
- [On-site customer success jobs in London](https://lazee.dev/careers?role=support&city=london&workplace=onsite) (25 jobs)
- [On-site AI/ML engineer jobs in London](https://lazee.dev/careers?role=ai-ml&city=london&workplace=onsite) (17 jobs)
- [On-site marketing jobs in London](https://lazee.dev/careers?role=marketing&city=london&workplace=onsite) (13 jobs)
- [On-site product manager jobs in London](https://lazee.dev/careers?role=product&city=london&workplace=onsite) (11 jobs)
- [On-site software engineer jobs in London](https://lazee.dev/careers?role=software&city=london&workplace=onsite) (11 jobs)
- [On-site design jobs in London](https://lazee.dev/careers?role=design&city=london&workplace=onsite) (10 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)

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- [Jobs API](https://lazee.dev/api)
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