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Series A Jobs

Explore open roles at Series A companies.

2,386 open roles · Updated Sep 22, 2026

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2,386 jobs

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HeyGenBackend Engineer

San Francisco, CA · Palo Alto, CA · Los Angeles, CA · Canada

$170k–$220k / year

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

How many Series A startup jobs are on BuildList?
There are currently 2,386 open roles at Series A companies on BuildList, refreshed hourly from company career pages.
What is it like to work at a Series A startup?
Explore open roles at Series A companies. Filter by sector or role type to focus your search.
Which industries are hiring at Series A companies?
Roles at Series A companies span AI, defense, aerospace, robotics, energy, and more.
How do I apply to Series A startup jobs?
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.