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Mid-Level Startup Jobs

Mid-level roles at startups building the future — own real scope, fast.

14,070 open roles · Updated Oct 2, 2026

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SesameiOS Engineer

San Francisco, CA · New York, NY · Bellevue, WA

$175k–$280k / year

Job type
Software & Data
Seniority
Mid-Level
Sector
AI Research
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Frequently asked questions

How many mid-level roles are on BuildList?
There are currently 14,070 open mid-level roles on BuildList, refreshed hourly from company career pages.
What kinds of mid-level roles are listed?
Mid-level roles at startups building the future — own real scope, fast. You can filter by sector, company stage, role type, and location.
Are there remote mid-level roles?
Yes — use the location filter or the remote view to see fully-remote mid-level openings.
How do I apply for mid-level roles?
Every listing links straight to the company's own application page — BuildList doesn't sit between you and the employer, so there's no account or middleman.