Member of Technical Staff, Data and RL is open at Sonder in New York City. The posting gives a salary of $250K - $300K. Posted on Sep 18, 2026, and still on Sonder’s careers page when we last checked, on Nov 14, 2026.
About the role
We are looking for a research engineer to improve model capabilities through better data, training environments, and reinforcement learning. You will work across data generation, environment design, and post-training, with ownership from an initial hypothesis to a measured improvement in model behavior. The work calls for strong engineering, careful experimentation, and judgment about what is worth pursuing. You…
The opening lines of the posting. The rest is on Sonder’s careers page.
Hiring at Sonder
Sonder has 4 open roles right now. Most are in Engineering. See all its roles
