# Senior on-site backend developer jobs

> Browse senior 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.

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

66 open jobs, page 1 of 3, newest first. Each job links to its posting on the company's own applicant tracking system, which the Lazee extension autofills.

## Jobs

- [Senior Backend Engineer (Python) - Bengaluru](https://jobs.clanx.ai/o/senior-backend-engineer-python-fastapi-bengaluru) at ClanX. Bengaluru, Karnātaka, India · On-site · posted 2026-10-22. Apply on ClanX.
- [Senior Backend Engineer (Distributed Systems) - Bengaluru](https://jobs.clanx.ai/o/senior-backend-engineer-distributed-systems-bengaluru) at ClanX. Bengaluru, Karnātaka, India · On-site · posted 2026-10-21. Apply on ClanX.
- [Senior Backend Engineer - Platform](https://www.workatastartup.com/jobs/117065) at Piramidal. New York, NY, US · On-site · Full-time · $250 - $300 + 0.25% - 1.00% equity · posted 2026-10-16. Apply on Y Combinator.
- [Senior Backend Engineer, Core Trading Systems](https://www.workatastartup.com/jobs/115420) at Novig. New York · On-site · Full-time · $200K - $260K · posted 2026-10-09. Apply on Y Combinator.
- [Senior Software Engineer, Backend](https://www.workatastartup.com/jobs/114821) at Forage. San Francisco, United States / New York, United States · On-site · Full-time · $185K - $200K · posted 2026-10-06. Apply on Y Combinator.
- [Senior Software Engineer - Backend](https://www.workatastartup.com/jobs/113277) at Emergent. Bangalore · On-site · Full-time · posted 2026-10-01. Apply on Y Combinator.
- [Senior Backend Engineer](https://www.workatastartup.com/jobs/112531) at Mintlify. San Francisco · On-site · Full-time · $190K - $265K · posted 2026-09-28. Apply on Y Combinator.
- [xEngineer Team Lead (Backend Oriented) for Viewer](https://jobs.smartrecruiters.com/Wix2/744000149516299) at Wix. Tel Aviv-Yafo, Tel Aviv District, Israel · On-site · Full-time · posted 2026-09-15. Apply on SmartRecruiters.
- [Senior xEngineer (Backend Oriented) - User Voice](https://jobs.smartrecruiters.com/Wix2/744000146343209) at Wix. Tel Aviv-Yafo, Tel Aviv District, Israel · On-site · Full-time · posted 2026-08-30. Apply on SmartRecruiters.
- [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.
- [Senior Backend Engineer (Platform Team)](https://www.workatastartup.com/jobs/108421) at Kombo. Berlin Office · On-site · Full-time · posted 2026-08-24. Apply on Y Combinator.
- [Senior Backend Software Engineer](https://www.workatastartup.com/jobs/106209) at FleetWorks. Chicago / San Francisco · On-site · Full-time · posted 2026-08-24. Apply on Y Combinator.
- [Senior Software Engineer](https://www.workatastartup.com/jobs/105573) at Vouch. Chicago, IL, US · On-site · Full-time · $180K - $200K · posted 2026-08-24. Apply on Y Combinator.
- [Lead Software Engineer - Connect](https://www.workatastartup.com/jobs/107561) at Soraban. Chandler, AZ, US · On-site · Full-time · $140K - $230K · posted 2026-08-24. Apply on Y Combinator.
- [Senior Software Engineer](https://www.workatastartup.com/jobs/99181) at Artie. San Francisco, CA, US · On-site · Full-time · $150K - $250K · posted 2026-07-27. Apply on Y Combinator.
- [Senior Backend Engineer](https://www.workatastartup.com/jobs/102018) at Alaan. Bengaluru, KA, IN / Bengaluru, Karnataka, IN · On-site · Full-time · ₹3M - ₹4.5M INR · posted 2026-07-27. Apply on Y Combinator.
- [Senior Backend Engineer](https://www.workatastartup.com/jobs/102151) at LiteLLM. San Francisco · On-site · Full-time · $200K - $260K · posted 2026-07-27. Apply on Y Combinator.
- [Senior Java Engineer](https://www.workatastartup.com/jobs/102297) at GIMO. Hanoi, Ha Noi, VN · On-site · Full-time · $1K - $2K / monthly · posted 2026-07-27. Apply on Y Combinator.
- [Backend Engineer (Mid/Sr)](https://www.workatastartup.com/jobs/98588) at Spade. New York, NY · On-site · Full-time · $170K - $230K · posted 2026-06-27. Apply on Y Combinator.
- [Senior Software Engineer, Back-End (San Francisco)](https://www.workatastartup.com/jobs/95157) at Short Story. San Francisco · On-site · Full-time · posted 2026-05-28. Apply on Y Combinator.
- [Engineering Lead](https://www.workatastartup.com/jobs/94745) at Infer. Bengaluru, KA, IN / Bengaluru, Karnataka, IN · On-site · Full-time · ₹4M - ₹6M INR + 0.01% - 0.50% equity · posted 2026-05-28. Apply on Y Combinator.
- [Senior Software Engineer - Ambient](https://www.workatastartup.com/jobs/95058) at Athelas. Mountain View, CA, US / San Francisco, CA, US / New York, NY, US / Los Angeles, CA, US · On-site · Full-time · $170K - $230K · posted 2026-05-28. Apply on Y Combinator.
- [Senior Software Engineer - Backend & Agent Platform](https://www.workatastartup.com/jobs/96046) at Truewind. San Francisco, CA, US · On-site · Full-time · $220K - $260K + 0.10% - 0.25% equity · posted 2026-05-28. Apply on Y Combinator.
- [Senior Software Engineer, Product](https://www.workatastartup.com/jobs/93805) 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, 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.

Next page: https://lazee.dev/careers?role=backend&level=senior&workplace=onsite&page=2

## Broader searches

- [Senior on-site tech jobs](https://lazee.dev/careers?level=senior&workplace=onsite) (1,107 jobs)
- [Senior backend developer jobs](https://lazee.dev/careers?role=backend&level=senior) (250 jobs)
- [On-site backend developer jobs](https://lazee.dev/careers?role=backend&workplace=onsite) (200 jobs)

## Browse by role

- [Senior on-site engineering jobs](https://lazee.dev/careers?role=engineering&level=senior&workplace=onsite) (516 jobs)
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- [Senior on-site security jobs](https://lazee.dev/careers?role=security&level=senior&workplace=onsite) (17 jobs)
- [Senior on-site frontend developer jobs](https://lazee.dev/careers?role=frontend&level=senior&workplace=onsite) (11 jobs)
- [Senior on-site QA jobs](https://lazee.dev/careers?role=qa&level=senior&workplace=onsite) (10 jobs)

## Browse by experience

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

## Browse by workplace

- [Senior remote backend developer jobs](https://lazee.dev/careers?role=backend&level=senior&workplace=remote) (92 jobs)
- [Senior hybrid backend developer jobs](https://lazee.dev/careers?role=backend&level=senior&workplace=hybrid) (13 jobs)

## Related

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