| Research Engineer | Taste Labs | Seed | San Francisco | Oct 28, 2026 |
| Member of Technical Staff - Research Engineer, RL Environments | Preference Model | Seed | San Francisco | Oct 19, 2026 |
| Member of Technical Staff - Research Engineer, Post-training | Preference Model | Seed | San Francisco | Oct 19, 2026 |
| Applied Scientist / Research Engineer — Data Quality & Evaluation | Maxinsights | Seed | Santa Clara | Oct 9, 2026 |
| Robotics Research Engineer / Scientist — Robot Learning | Maxinsights | Seed | Santa Clara | Oct 9, 2026 |
| Research Engineer — Robotics Simulation & Evaluation | Maxinsights | Seed | Santa Clara | Oct 9, 2026 |
| Embodied AI / VLA Research Engineer | Maxinsights | Seed | Santa Clara | Oct 7, 2026 |
| Research Engineer | Graphon AI | Seed | San Francisco | Oct 6, 2026 |
| Research Engineer, Web Crawling | Thinking Machines Lab | Seed | Multiple locations | Sep 24, 2026 |
| Staff Parser/Compiler Research Engineer | .txt | Seed | US Remote | Sep 2, 2026 |
| MLOps Research Engineer | Merge Labs | Seed | San Francisco Bay Area | Aug 28, 2026 |
| Research Engineer, Evals - Member of Technical Staff | Callosum | Seed | London | Aug 20, 2026 |
| Research Engineer, Benchmarking - Member of Technical Staff | Callosum | Seed | London | Aug 20, 2026 |
| Research Engineer, Lab Automation | Periodic Labs | Seed | Menlo Park, CA | Aug 15, 2026 |
| Research Engineer | Pantograph PBC | Seed | San Francisco | Aug 11, 2026 |
| Research Engineer, Semiconductor | Periodic Labs | Seed | Menlo Park, CA | Aug 8, 2026 |
| Research Engineer, Infrastructure, Numerics | Thinking Machines Lab | Seed | San Francisco | Aug 4, 2026 |
| Research Engineer, Infrastructure, Inference | Thinking Machines Lab | Seed | San Francisco | Aug 4, 2026 |
| Research Engineer, Infrastructure, Training Systems | Thinking Machines Lab | Seed | San Francisco | Aug 4, 2026 |
| Research Engineer, Infrastructure, Kernels | Thinking Machines Lab | Seed | San Francisco | Aug 4, 2026 |
| Staff Research Engineer | Onton | Seed | San Francisco | Jul 29, 2026 |
| Research Engineer | Ando | Seed | San Francisco | Jul 18, 2026 |
| Member of Technical Staff (Research Engineer) | Anthrogen | Seed | San Francisco | Jul 7, 2026 |
| Research Engineer | Human Archive | Seed | San Francisco | May 9, 2026 |
| Design Research Engineer | Taste Labs | Seed | San Francisco | Apr 24, 2026 |
| Research Engineer / Scientist, Post-training & Reinforcement Learning - London | H Company | Seed | Hybrid London | Apr 14, 2026 |
| Research Engineer, Model Inference & Serving - Paris | H Company | Seed | Hybrid Paris | Apr 14, 2026 |
| Research Engineer, Model Inference & Serving - London | H Company | Seed | Hybrid London | Apr 10, 2026 |
| AMI Research Engineer | AMI Labs | Seed | Multiple locations | Mar 19, 2026 |
| Research Engineer | Nace AI | Seed | Palo Alto, CA | Mar 17, 2026 |
| Research Engineer / Scientist, Post-training - Paris | H Company | Seed | Multiple locations | Nov 12, 2025 |
| Founding Research Engineer | Camfer | Seed | San Francisco, CA | - |