| Research Engineer | David AI | Series B | San Francisco | Oct 23, 2026 |
| Research Engineer, Robot Learning | 1X Technologies | Series B | San Carlos, CA | Oct 23, 2026 |
| Research Engineer, Scientific Data & Workflow Infrastructure | Lila Sciences | Series B | Multiple locations | Oct 21, 2026 |
| Senior / Engineer II, AI Lab Research Engineer | Lila Sciences | Series B | Multiple locations | Oct 21, 2026 |
| Staff / Principal Research Engineer, AI Safety Mitigations | Lila Sciences | Series B | Multiple locations | Oct 21, 2026 |
| Applied Research Engineer, Evaluation | Black Forest Labs | Series B | Multiple locations | Oct 13, 2026 |
| Research Engineer | Sonar | Series B | Singapore | Oct 13, 2026 |
| Research Engineer (Materials Foundation Models) | CuspAI | Series B | Multiple locations | Oct 12, 2026 |
| Research Engineer, RL Env | Mecka AI | Series B | Multiple locations | Oct 7, 2026 |
| Research Engineer, Simulation & World Models | Mecka AI | Series B | Multiple locations | Oct 7, 2026 |
| Research Engineer - Benchmarks | Firecrawl | Series B | Multiple locations | Sep 29, 2026 |
| Research Engineer, AI/ML | Tabs | Series B | New York City, NY | Sep 29, 2026 |
| Tactile Sensing Research Engineer | 1X Technologies | Series B | San Carlos, CA | Sep 28, 2026 |
| Multimodal AI Model Optimization Research Engineer | Tavus | Series B | Remote | Sep 28, 2026 |
| Research Engineer, Data Infrastructure (Language Modeling) | Cartesia | Series B | *HQ - San Francisco, CA | Sep 24, 2026 |
| Founding Research Engineer, Applied AI | Agentio | Series B | New York, NY | Sep 21, 2026 |
| Research Engineer (LLM Performance), London | Isomorphic Labs | Series B | London | Sep 8, 2026 |
| Research Engineer, AI Models | Encharge AI | Series B | India | Aug 28, 2026 |
| Research Engineer | AfterQuery | Series B | San Francisco | Aug 27, 2026 |
| Research Engineer | Greptile | Series B | San Francisco | Aug 22, 2026 |
| Research Engineer, Lead | Vizcom | Series B | San Francisco | Aug 18, 2026 |
| Research Engineer, AI Models | Encharge AI | Series B | Germany | Jul 30, 2026 |
| Senior Quant Research Engineer, Trading & Portfolio Optimization | Arta | Series B | Bay Area | Jul 23, 2026 |
| Research Engineer - Evals | Firecrawl | Series B | Multiple locations | Jul 12, 2026 |
| Research Engineer, Applied ML | Triomics | Series B | India Office | Jul 3, 2026 |
| Member of Technical Staff - Research Engineer | Black Forest Labs | Series B | Multiple locations | Jun 29, 2026 |
| Research Engineer | Sesame AI | Series B | Multiple locations | Jun 17, 2026 |
| Open Call – Research Engineer / Scientist | 1X Technologies | Series B | San Carlos, CA | Jun 17, 2026 |
| Founding Applied Research Engineer | Rox | Series B | San Francisco | May 28, 2026 |
| Conversational Modelling Research Engineer | Tavus | Series B | Remote | Apr 22, 2026 |
| Platform Research Engineer | Applied Compute | Series B | San Francisco | Mar 10, 2026 |
| Early Career Research Engineer | Parallel | Series B | Palo Alto | Jan 24, 2026 |