Member of Technical Staff, Post-Training, RL
Mirendil is hiring for Member of Technical Staff, Post-Training, RL in San Francisco. Staff level. First seen October 21, 2026; open as of November 11, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- Mirendil
- Where
- San Francisco
- Level
- Staff
- First seen
- October 21, 2026
- Listed via
- Ashby
What the posting says
The Role We are looking for research engineers to help build the post-training stack for frontier reasoning models. This role sits at the point where model capability, training dynamics, data, verification, and infrastructure all meet. You will design and run the experiments that turn a strong base model into a model that can solve difficult tasks reliably: choosing training objectives, shaping data mixtures, building verifiers, debugging reward signals, scaling runs, and understanding why a recipe works or fails. Researchers are also expected to have strong engineering skills. The best work…
Read more and apply on Mirendil's site
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