Series B · AI Engineer
Series B AI Startup AI Engineer Jobs
There are currently 50 open AI Engineer jobs across 34 Series B AI startups. Every listing links straight to the company's official application page, deduplicated and refreshed daily.
50Open roles
34Companies hiring
Jul 30, 2026Last updated
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Open AI Engineer Roles at Series B AI Startups
| Role | Company | Stage | Location | Posted |
|---|---|---|---|---|
| AI Engineer | Vega | Series B | On -Site, Israel | Jul 30, 2026 |
| Senior AI Agent Engineer | Liberate | Series B | Boston, MA, San Francisco | Jul 30, 2026 |
| Applied AI Engineer | Narmi | Series B | New York, United States | Jul 29, 2026 |
| Staff AI Agent Engineer | Liberate | Series B | Boston | Jul 29, 2026 |
| Staff AI Agent Engineer | Liberate | Series B | San Francisco Bay Area | Jul 29, 2026 |
| Voice Agent Engineer (Full stack) | 11x | Series B | Jul 28, 2026 | |
| AI Engineer | Armada | Series B | Bellevue Office, Sunset Corporate Campus | Jul 27, 2026 |
| Agentic AI Engineer / Software Engineer - AI Applications (Remote US) | Legion Intelligence | Series B | Remote USA | Jul 26, 2026 |
| Senior Applied AI Engineer | StackBlitz | Series B | Remote | Jul 23, 2026 |
| Staff Applied AI Engineer | StackBlitz | Series B | Remote | Jul 23, 2026 |
| Senior AI Engineer, Tools & Agents | TwelveLabs | Series B | San Francisco | Jul 20, 2026 |
| Senior AI Engineer | Doctronic | Series B | New York City | Jul 17, 2026 |
| Applied AI Engineer | OpenRouter | Series B | Remote (US) | Jul 15, 2026 |
| Staff Applied AI Engineer | Doss | Series B | San Francisco | Jul 13, 2026 |
| Staff AI Engineer | Bluefish Labs | Series B | Berlin - Remote in Germany | Jul 7, 2026 |
| Staff AI Engineer | Bluefish Labs | Series B | London - Remote in the UK | Jul 7, 2026 |
| AI Engineer | Distyl | Series B | San Francisco | Jun 18, 2026 |
| AI Engineer, Lead | Distyl | Series B | San Francisco | Jun 18, 2026 |
| AI Engineer, Enterprise Lead | Distyl | Series B | San Francisco | Jun 18, 2026 |
| AI Engineer, Evaluation | Distyl | Series B | San Francisco | Jun 18, 2026 |
| AI Engineer | Patlytics | Series B | New York | Jun 17, 2026 |
| Forward Deployed Engineer, Lead - AI Engineer | Reflection AI | Series B | Seoul | Jun 9, 2026 |
| Forward Deployed Engineer - AI Engineer | Reflection AI | Series B | Seoul | Jun 9, 2026 |
| AI Engineer | Distyl | Series B | London, UK | May 28, 2026 |
| Backend / Systems Agentic Engineer (SG) | Arta | Series B | Singapore | May 26, 2026 |
| Full-Stack / Frontend Agentic Engineer | Arta | Series B | Singapore | May 26, 2026 |
| AI Engineer | Paris | Pivot | Series B | Paris | May 21, 2026 |
| Senior Customer AI Engineer | Bluefish Labs | Series B | New York, Hybrid | May 19, 2026 |
| Agent Engineer, Agent Studio | Nooks | Series B | San Francisco | May 15, 2026 |
| Forward Deployed Engineer, Lead - AI Engineer | Reflection AI | Series B | New York, NY | May 12, 2026 |
| Applied AI Engineer | PermitFlow | Series B | New York City, NY | May 11, 2026 |
| AI Software Engineer | Reco | Series B | Tel Aviv, Israel | Apr 29, 2026 |
| Applied AI Engineer | Rillet | Series B | San Francisco | Apr 27, 2026 |
| Applied AI Engineer | Paraform | Series B | San Francisco | Apr 18, 2026 |
| Senior AI Engineer | Bluefish Labs | Series B | London - Remote in the UK | Apr 14, 2026 |
| Senior AI Engineer | Bluefish Labs | Series B | Berlin, Remote in Germany | Apr 14, 2026 |
| AI Engineer | Solve Intelligence | Series B | London, England, United Kingdom | Apr 5, 2026 |
| Applied AI Engineer - Research & IP Indexing | Story | Series B | Palo Alto, CA, USA | Mar 31, 2026 |
| AI Engineer - Public Sector | Unstructured | Series B | Remote | Mar 9, 2026 |
| AI Engineer | Abacum | Series B | Remote (Spain) | Feb 26, 2026 |
| AI Engineer | Lightrun | Series B | Tel Aviv | Feb 25, 2026 |
| Senior Sales AI Engineer | Bluefish Labs | Series B | New York, Hybrid | Feb 23, 2026 |
| Staff AI Engineer | GreenLite | Series B | New York City | Jan 12, 2026 |
| AI Engineer | Cinder | Series B | New York | Dec 30, 2025 |
| Forward Deployed Engineer - AI Engineer | Reflection AI | Series B | New York, NY | Dec 17, 2025 |
| Backend/AI Engineer | Reducto | Series B | San Francisco Office | Nov 25, 2025 |
| Forward Deployed Agent Engineer | Avoca | Series B | New York HQ | Nov 17, 2025 |
| AI Engineer | Gamma | Series B | San Francisco | Nov 6, 2025 |
| Senior Applied AI Engineer | CodeRabbit | Series B | San Francisco | Sep 18, 2025 |
| AI Engineer | Campfire | Series B | San Francisco | Aug 28, 2025 |
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FAQ
How many AI Engineer jobs are open at Series B AI startups?
There are currently 50 open AI Engineer jobs across 34 Series B AI startups on Fast AI Jobs.
Why filter AI Engineer jobs by funding stage?
Funding stage signals company size, runway, and equity upside. Filtering to Series B startups narrows the list to AI 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.