Series A · Software Engineer
Series A AI Startup Software Engineer Jobs
There are currently 575 open Software Engineer jobs across 185 Series A AI startups. Every listing links straight to the company's official application page, deduplicated and refreshed daily.
575Open roles
185Companies hiring
Jun 16, 2026Last updated
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Open Software Engineer Roles at Series A AI Startups
| Role | Company | Stage | Location | Posted |
|---|---|---|---|---|
| AI Vibe Coding Engineer | Gruve | Series A | Europe | Jun 16, 2026 |
| Computer Vision & Robotics Navigation Engineer | Mecka | Series A | New York | Jun 15, 2026 |
| Software Engineer | General Matter | Series A | Los Angeles, CA | Jun 15, 2026 |
| Principal Software Engineer, Data | Lila Sciences | Series A | Cambridge, MA USA | Jun 15, 2026 |
| Principal Software Engineer, Instrument Simulations | Lila Sciences | Series A | Cambridge, MA USA | Jun 15, 2026 |
| Senior Software Engineer, App | Lila Sciences | Series A | Cambridge, MA USA | Jun 15, 2026 |
| Senior Software Engineer, Applied AI | Lila Sciences | Series A | Cambridge, MA USA | Jun 15, 2026 |
| Senior Software Engineer, Data | Lila Sciences | Series A | Cambridge, MA USA | Jun 15, 2026 |
| Nuclear Material Control and Accountability Engineer | Standard Nuclear | Series A | Idaho Falls, ID | Jun 15, 2026 |
| Senior Software Engineer - Backend/Fullstack [India] | FurtherAI | Series A | India | Jun 12, 2026 |
| Autonomy Engineer I, Arc Vehicle | Inversion | Series A | Playa Vista, California, United States | Jun 12, 2026 |
| Ground Software Engineer II, Arc Vehicle | Inversion | Series A | Playa Vista, California, United States | Jun 12, 2026 |
| Senior Avionics Engineer | Inversion | Series A | Playa Vista, California, United States | Jun 12, 2026 |
| Senior Embedded Software Engineer | Inversion | Series A | Playa Vista, California, United States | Jun 12, 2026 |
| Senior Flight Software Engineer, Arc Vehicle | Inversion | Series A | Playa Vista, California, United States | Jun 12, 2026 |
| Senior Harnessing Engineer | Inversion | Series A | Playa Vista, California, United States | Jun 12, 2026 |
| Simulation Engineer I, Arc Vehicle | Inversion | Series A | Playa Vista, California, United States | Jun 12, 2026 |
| Staff Flight Software Engineer, Arc Vehicle | Inversion | Series A | Playa Vista, California, United States | Jun 12, 2026 |
| Staff Vehicle Engineer | Inversion | Series A | Playa Vista, California, United States | Jun 12, 2026 |
| Senior Structures Engineer | Pacific Fusion | Series A | Fremont, CA | Jun 12, 2026 |
| Site Engineer - Trenton, Ohio | XYZ Reality | Series A | Trenton, Ohio | Jun 12, 2026 |
| Lead Site Engineer - Trenton, Ohio | XYZ Reality | Series A | Trenton, Ohio | Jun 12, 2026 |
| Graduate/Entry-Level Site Engineer - Trenton, Ohio | XYZ Reality | Series A | Trenton, Ohio | Jun 12, 2026 |
| Site Engineer - Carterville, Georgia | XYZ Reality | Series A | Atlanta, Georgia | Jun 12, 2026 |
| Developer Relations - Content and Docs | Chalk | Series A | SF | Jun 11, 2026 |
| Software Engineer, Full Stack - UK | Ema | Series A | United Kingdom (Remote) | Jun 11, 2026 |
| Staff Thermal Engineer | Inversion | Series A | Playa Vista, California, United States | Jun 11, 2026 |
| Software Engineer - Systems | Spiral | Series A | New York City | Jun 11, 2026 |
| Senior EMI-EMC Engineer | Vast | Series A | Long Beach, California, United States | Jun 11, 2026 |
| Developer Community Manager | HeyGen | Series A | San Francisco | Jun 10, 2026 |
| Tooling Engineer II | Inversion | Series A | Playa Vista, California, United States | Jun 10, 2026 |
| HPC/ GPU Cluster Architect | San Francisco Compute | Series A | San Francisco, CA | Jun 10, 2026 |
| Associate Member of Technical Staff, Product Team | Slingshot AI | Series A | London | Jun 10, 2026 |
| Site Engineer - Cedar Creek, Texas | XYZ Reality | Series A | Cedar Creek | Jun 10, 2026 |
| Lead Site Engineer - Cedar Creek, Texas | XYZ Reality | Series A | Cedar Creek | Jun 10, 2026 |
| Graduate/Entry-Level Site Engineer - Cedar Creek, Texas | XYZ Reality | Series A | Cedar Creek | Jun 10, 2026 |
| Site Engineer - Phoenix, Arizona | XYZ Reality | Series A | Phoenix, AZ | Jun 10, 2026 |
| Lead Site Engineer - Phoenix, Arizona | XYZ Reality | Series A | Phoenix, AZ | Jun 10, 2026 |
| Battery Electronics Engineer II+ | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Combustion Devices Engineer II | Vast | Series A | Hawthorne, California, United States | Jun 10, 2026 |
| Dynamics Engineer | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| EMI-EMC Engineer I | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Industrial Engineer | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Industrial Engineer I | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Instrumentation and Controls Engineer | Vast | Series A | Mojave | Jun 10, 2026 |
| Integration Build Engineer | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Materials & Processes Engineer | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Power Electronics Engineer | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Power Electronics Engineer I | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
| Propulsion Engineer | Vast | Series A | Long Beach, California, United States | Jun 10, 2026 |
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FAQ
How many Software Engineer jobs are open at Series A AI startups?
There are currently 575 open Software Engineer jobs across 185 Series A AI startups on Fast AI Jobs.
Why filter Software Engineer jobs by funding stage?
Funding stage signals company size, runway, and equity upside. Filtering to Series A startups narrows the list to Software Engineer roles at companies at a comparable point in their growth.
How often is this list updated?
Listings are refreshed daily from official company career pages and deduplicated by posting. Every link points to the original application page.