# Staff & principal on-site backend developer jobs

> Browse staff & principal 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=staff&workplace=onsite
Last updated: 2026-10-25

16 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.
- [Staff Engineer - Backend](https://www.workatastartup.com/jobs/108486) at Emergent. Bangalore · On-site · Full-time · posted 2026-08-24. Apply on Y Combinator.
- [Staff Backend Engineer](https://www.workatastartup.com/jobs/96945) at Athelas. Mountain View, CA / New York City, NY / Los Angeles, CA / San Francisco, CA · On-site · Full-time · posted 2026-06-27. Apply on Y Combinator.
- [Staff Backend Engineer](https://www.workatastartup.com/jobs/96902) at Athelas. Mountain View, CA / New York City, NY / Los Angeles, CA / San Francisco, CA · On-site · Full-time · posted 2026-06-27. 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.
- [Staff Backend Software Engineer](https://www.workatastartup.com/jobs/96149) at Tennr. New York City Office · On-site · Full-time · $230K - $250K · 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.
- [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.
- [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.
- [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.
- [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.
- [Founding Staff Software Engineer](https://www.workatastartup.com/jobs/82886) at ROE. San Mateo, CA, US · On-site · Full-time · $160K - $200K + 0.40% - 1.00% equity · posted 2025-10-25. Apply on Y Combinator.
- [Senior/Staff Engineer: Backend (India)](https://www.workatastartup.com/jobs/79600) at Landeed. Hyderabad, Telangana, India · On-site · Full-time · ₹2.5M - ₹5M INR + 0.10% - 0.50% equity · posted 2025-10-23. Apply on Y Combinator.
- [Staff Software Engineer](https://www.workatastartup.com/jobs/65425) at Stream. San Francisco, CA, US · On-site · Full-time · $210K - $265K + 0.25% - 0.75% equity · posted 2024-10-25. Apply on Y Combinator.
- [Staff Engineer](https://www.workatastartup.com/jobs/64104) at Axle. New York, NY, US · On-site · Full-time · $215K - $270K + 0.20% - 0.40% equity · posted 2023-10-26. Apply on Y Combinator.
- [Staff Software Engineer, Generalist](https://www.workatastartup.com/jobs/46696) at Dots 💸. San Francisco / New York, NY, US · On-site · Full-time · $200K - $280K + 0.40% - 0.80% equity · posted 2021-10-26. Apply on Y Combinator.

## Broader searches

- [Staff & principal on-site tech jobs](https://lazee.dev/careers?level=staff&workplace=onsite) (241 jobs)
- [Staff & principal backend developer jobs](https://lazee.dev/careers?role=backend&level=staff) (107 jobs)
- [On-site backend developer jobs](https://lazee.dev/careers?role=backend&workplace=onsite) (200 jobs)

## Browse by role

- [Staff & principal on-site engineering jobs](https://lazee.dev/careers?role=engineering&level=staff&workplace=onsite) (181 jobs)
- [Staff & principal on-site AI/ML engineer jobs](https://lazee.dev/careers?role=ai-ml&level=staff&workplace=onsite) (48 jobs)
- [Staff & principal on-site full stack developer jobs](https://lazee.dev/careers?role=fullstack&level=staff&workplace=onsite) (39 jobs)
- [Staff & principal on-site product manager jobs](https://lazee.dev/careers?role=product&level=staff&workplace=onsite) (30 jobs)
- [Staff & principal on-site software engineer jobs](https://lazee.dev/careers?role=software&level=staff&workplace=onsite) (27 jobs)
- [Staff & principal on-site DevOps jobs](https://lazee.dev/careers?role=devops&level=staff&workplace=onsite) (24 jobs)
- [Staff & principal on-site design jobs](https://lazee.dev/careers?role=design&level=staff&workplace=onsite) (10 jobs)
- [Staff & principal on-site hardware engineer jobs](https://lazee.dev/careers?role=hardware&level=staff&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)
- [Senior on-site backend developer jobs](https://lazee.dev/careers?role=backend&level=senior&workplace=onsite) (66 jobs)

## Browse by workplace

- [Staff & principal remote backend developer jobs](https://lazee.dev/careers?role=backend&level=staff&workplace=remote) (40 jobs)

## Related

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