# On-site full stack developer jobs in Seattle

> Browse on-site full stack developer jobs in Seattle 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=fullstack&city=seattle&workplace=onsite
Last updated: 2026-10-25

11 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

- [Software Engineer (New Grad)](https://www.workatastartup.com/jobs/117495) at Aurelian. Seattle, WA, US · On-site · Full-time · $100K - $130K · posted 2026-10-19. Apply on Y Combinator.
- [Systems Engineer](https://www.workatastartup.com/jobs/111985) at RADAR. San Diego, CA; Sunnyvale, CA; Seattle, WA; or New York, NY · On-site · Full-time · $147K - $220K · posted 2026-09-25. Apply on Y Combinator.
- [Software Engineer, 2027 New Grad](https://www.workatastartup.com/jobs/110372) at Whatnot. New York, NY / San Francisco, CA / Los Angeles, CA / Seattle, WA · On-site · Full-time · $155K - $160K · posted 2026-09-23. Apply on Y Combinator.
- [Full-Stack Engineer](https://www.workatastartup.com/jobs/101225) at Kivo Health. Seattle · On-site · Full-time · $160K - $220K + 0.10% - 0.15% equity · posted 2026-07-27. Apply on Y Combinator.
- [Senior Engineer](https://www.workatastartup.com/jobs/100517) at Kivo Health. Seattle · On-site · Full-time · $200K - $260K + 0.15% - 0.25% equity · posted 2026-07-27. Apply on Y Combinator.
- [Tech Lead / Engineering Manager](https://www.workatastartup.com/jobs/95046) at Aurelian. Seattle, WA, US · On-site · Full-time · $160K - $240K · posted 2026-05-28. Apply on Y Combinator.
- [Product Engineer (Senior to Staff Level)](https://www.workatastartup.com/jobs/93202) at Aurelian. Seattle · On-site · Full-time · $170K - $250K · posted 2026-04-28. Apply on Y Combinator.
- [Software Engineer (Product, New Grad)](https://www.workatastartup.com/jobs/85536) at Terrakotta. Seattle, WA, US · On-site · Full-time · $130K - $150K + 0.05% - 0.10% equity · posted 2025-11-29. Apply on Y Combinator.
- [Senior Full-Stack Engineer](https://www.workatastartup.com/jobs/77038) at Terrakotta. Seattle, WA, US · On-site · Full-time · $130K - $160K + 0.25% - 0.50% equity · posted 2025-10-25. Apply on Y Combinator.
- [Senior Software Engineer](https://www.workatastartup.com/jobs/55289) at Strac. Redmond, WA, US / Seattle, WA, US / Bellevue, WA, US · On-site · Full-time · $110K - $160K + 0.01% - 0.20% equity · posted 2022-10-26. Apply on Y Combinator.
- [Full Stack Software Engineer](https://www.workatastartup.com/jobs/30657) at Mason. Seattle, WA · On-site · Full-time · posted 2020-10-26. Apply on Y Combinator.

## Broader searches

- [On-site jobs in Seattle](https://lazee.dev/careers?city=seattle&workplace=onsite) (31 jobs)
- [Full stack developer jobs in Seattle](https://lazee.dev/careers?role=fullstack&city=seattle) (27 jobs)
- [On-site full stack developer jobs](https://lazee.dev/careers?role=fullstack&workplace=onsite) (862 jobs)

## Browse by role

- [On-site engineering jobs in Seattle](https://lazee.dev/careers?role=engineering&city=seattle&workplace=onsite) (18 jobs)

## Browse by city

- [On-site full stack developer jobs in San Francisco](https://lazee.dev/careers?role=fullstack&city=san-francisco&workplace=onsite) (454 jobs)
- [On-site full stack developer jobs in New York](https://lazee.dev/careers?role=fullstack&city=new-york&workplace=onsite) (156 jobs)
- [On-site full stack developer jobs in London](https://lazee.dev/careers?role=fullstack&city=london&workplace=onsite) (52 jobs)
- [On-site full stack developer jobs in Bangalore](https://lazee.dev/careers?role=fullstack&city=bangalore&workplace=onsite) (25 jobs)
- [On-site full stack developer jobs in Toronto](https://lazee.dev/careers?role=fullstack&city=toronto&workplace=onsite) (19 jobs)
- [On-site full stack developer jobs in Los Angeles](https://lazee.dev/careers?role=fullstack&city=los-angeles&workplace=onsite) (17 jobs)
- [On-site full stack developer jobs in Paris](https://lazee.dev/careers?role=fullstack&city=paris&workplace=onsite) (14 jobs)

## Browse by workplace

- [Remote full stack developer jobs in Seattle](https://lazee.dev/careers?role=fullstack&city=seattle&workplace=remote) (10 jobs)

## Related

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