| 3D Computer Vision Research Engineer, Geospatial Visual Localization | Niantic Spatial | Series A | London | Oct 29, 2026 |
| Founding Research Engineer | Raindrop | Series A | San Francisco | Oct 28, 2026 |
| Research Engineer/ Applied Scientist | WisdomAI | Series A | San Mateo | Oct 21, 2026 |
| 3D Computer Vision Research Engineer - World Map | Niantic Spatial | Series A | London | Oct 19, 2026 |
| Research Engineer - RL Infrastructure | Prime Intellect | Series A | Multiple locations | Oct 19, 2026 |
| Research Engineer / Scientist - Reinforcement Learning | Prime Intellect | Series A | Multiple locations | Oct 16, 2026 |
| Research Engineer - Pre-training Data | Prime Intellect | Series A | Multiple locations | Oct 16, 2026 |
| Research Engineer - Data and Evaluation | Prime Intellect | Series A | Multiple locations | Oct 16, 2026 |
| Research Engineer - Inference | Prime Intellect | Series A | Multiple locations | Oct 16, 2026 |
| Research Engineer - Pre-training | Prime Intellect | Series A | Multiple locations | Oct 16, 2026 |
| Security Research Engineer | Artemis | Series A | Multiple locations | Oct 11, 2026 |
| Staff+ Research Engineer – Recursive Self-Improvement Lead | Sequen | Series A | United States | Oct 9, 2026 |
| Staff Research Engineer – RRI Harness | Sequen | Series A | United States | Oct 9, 2026 |
| Research Engineer, Post-training | Medra | Series A | San Francisco | Oct 1, 2026 |
| Research Engineer, AIUC Labs | Artificial Intelligence Underwriting Company (AIUC) | Series A | San Francisco | Sep 16, 2026 |
| Senior Research Engineer | Watney | Series A | San Francisco | Sep 16, 2026 |
| Research Engineer | Antimetal | Series A | HQ - NYC | Jul 28, 2026 |
| Research Engineer - Distributed Training | Prime Intellect | Series A | Multiple locations | Jul 8, 2026 |
| Staff+ Forward Deployed Research Engineer – Ranking | Sequen | Series A | United States | Jul 6, 2026 |
| Forward Deployed Research Engineer | Composio | Series A | sf | Jun 17, 2026 |
| Research Engineer | DatologyAI | Series A | San Mateo HQ | Jun 4, 2026 |
| Research Engineer, Multimodal Data | Eventual Computing | Series A | San Francisco | Apr 29, 2026 |
| Research Engineer – Simulation | Eka Robotics | Series A | Boston Area | Apr 20, 2026 |
| Research Engineer | Hedra | Series A | San Francisco | Apr 15, 2026 |
| Research Engineer | Dyna Robotics | Series A | Redwood City, CA | Mar 31, 2026 |
| Research Engineer, Evals | Variance | Series A | San Francisco | Mar 31, 2026 |
| Senior Applied Research Engineer | Fundamental | Series A | Barcelona | Mar 25, 2026 |
| Member of Technical Staff - Research Engineer | Composio | Series A | sf | Feb 10, 2026 |
| Research Engineer | Mind Robotics | Series A-1 | Palo Alto | Jan 26, 2026 |
| Research Engineer | HeyGen | Series A | Multiple locations | Jan 15, 2026 |
| Liquid Labs - Research Engineer | Liquid AI | Series A | Boston | Dec 3, 2025 |
| Research Engineer | Lotus Health | Series A | San Francisco | Nov 24, 2025 |
| Research Engineer - Post-Training | Voltai | Series A | Palo Alto Office | Nov 6, 2025 |
| Research Engineer - Mid-Training | Voltai | Series A | Palo Alto Office | Nov 6, 2025 |
| Research Engineer - CUDA Kernel Engineering | Voltai | Series A | Palo Alto Office | Nov 6, 2025 |
| Research Engineer/Scientist - Dexterous Manipulation | Flexion Robotics | Series A | Zürich, Zurich, Switzerland | - |