# 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 6 of 8.

Canonical: https://lazee.dev/careers?role=backend&workplace=onsite&page=6
Last updated: 2026-10-25

200 open jobs, page 6 of 8, newest first. Each job links to its posting on the company's own applicant tracking system, which the Lazee extension autofills.

## Jobs

- [Founding Engineer Infra/Backend - Spur](https://www.workatastartup.com/jobs/82112) at Spur. New York, NY, US · On-site · Full-time · $180K - $250K + 0.40% - 0.60% equity · posted 2025-10-25. 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.
- [Senior Backend Engineer (Data)](https://www.workatastartup.com/jobs/80568) at Sphere. San Francisco, CA, US · On-site · Full-time · $180K - $250K · posted 2025-10-25. Apply on Y Combinator.
- [Senior Backend Engineer (Infrastructure)](https://www.workatastartup.com/jobs/80567) at Sphere. San Francisco, CA, US · On-site · Full-time · $180K - $250K · posted 2025-10-25. Apply on Y Combinator.
- [Senior/Staff Backend Engineer](https://www.workatastartup.com/jobs/75158) at Complete. San Francisco Office · On-site · Full-time · $160K - $200K + 0.10% - 0.70% equity · 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.
- [Senior Backend Engineer](https://www.workatastartup.com/jobs/73840) at Nash. San Francisco · On-site · Full-time · $180K - $280K · posted 2025-10-25. Apply on Y Combinator.
- [Founding Engineer .](https://www.workatastartup.com/jobs/72444) at Health Harbor. San Francisco, CA, US · On-site · Full-time · $100K - $170K + 0.25% - 1.00% equity · posted 2025-10-25. Apply on Y Combinator.
- [Founding Software Engineer](https://www.workatastartup.com/jobs/78125) at Attune. San Francisco, CA, US · On-site · Full-time · $150K - $200K + 0.50% - 1.00% equity · posted 2025-10-25. Apply on Y Combinator.
- [HackerRank (YC S11) | Hiring Senior Software Engineer | Santa Clara CA - Hybrid](https://www.workatastartup.com/jobs/79073) at HackerRank. Santa Clara, CA, US · On-site · Full-time · $150K - $172K · 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.
- [Member of Technical Staff (Backend)](https://www.workatastartup.com/jobs/78682) at Autonomous Technologies Group. New York City · On-site · Full-time · $180K - $260K · posted 2025-10-25. Apply on Y Combinator.
- [Senior Software Engineer, Backend](https://www.workatastartup.com/jobs/80185) at Retell AI. San Francisco Bay Area · On-site · Full-time · $215K - $290K · posted 2025-10-25. Apply on Y Combinator.
- [Distributed Systems Engineer](https://www.workatastartup.com/jobs/75776) at Sieve. San Francisco, CA, US · On-site · Full-time · $150K - $300K · posted 2025-10-25. Apply on Y Combinator.
- [Founding Engineer (Golang/ReactJS)](https://www.workatastartup.com/jobs/81053) at RocketSDR. Bengaluru, KA, IN / Bengaluru, Karnataka, IN · On-site · Full-time · ₹800K - ₹2M INR + 0.10% - 0.80% equity · posted 2025-10-25. Apply on Y Combinator.
- [Senior Backend Engineer](https://www.workatastartup.com/jobs/79945) at David AI. San Francisco, CA, US · On-site · Full-time · $160K - $220K · posted 2025-10-25. Apply on Y Combinator.
- [Senior Software Engineer, Backend](https://www.workatastartup.com/jobs/82751) at Gridware. San Francisco, CA, US · On-site · Full-time · $175 - $195 · posted 2025-10-25. Apply on Y Combinator.
- [Founding Engineer](https://www.workatastartup.com/jobs/74288) at Optifye.ai. New Delhi, DL, IN / New Delhi, Delhi, IN / Gurugram, HR, IN / Gurugram, Haryana, IN · On-site · Full-time · ₹2.4M - ₹4.8M INR + 0.10% - 0.30% equity · posted 2025-10-25. Apply on Y Combinator.
- [Founding Agentic Backend Engineer (Senior / Staff)](https://www.workatastartup.com/jobs/75909) at Variant. San Francisco, CA, US · On-site · Full-time · $180K - $235K + 0.10% - 1.25% equity · posted 2025-10-25. Apply on Y Combinator.
- [Backend Engineer](https://www.workatastartup.com/jobs/78494) at REVER. Barcelona, CT, ES / ES · On-site · Full-time · €40K - €70K EUR · posted 2025-10-25. Apply on Y Combinator.
- [Rust Backend Engineer](https://www.workatastartup.com/jobs/80753) at Svix. San Francisco, CA, US · On-site · Full-time · $130K - $180K · posted 2025-10-25. Apply on Y Combinator.
- [Senior Software Engineer - San Francisco (Onsite)](https://www.workatastartup.com/jobs/75532) at Etleap. San Francisco, CA, US · On-site · Full-time · $130K - $220K · 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 Engineer](https://www.workatastartup.com/jobs/77323) at Pump.co. San Francisco, CA, US · On-site · Full-time · $120K - $160K · posted 2025-10-25. Apply on Y Combinator.
- [Senior Software engineer, Founding team](https://www.workatastartup.com/jobs/78100) at Aviator. San Francisco, CA, US · On-site · Full-time · $160K - $200K · posted 2025-10-25. Apply on Y Combinator.

Next page: https://lazee.dev/careers?role=backend&workplace=onsite&page=7

## 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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