"rl" Jobs

122 open tech roles matching “rl”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, reinforcement learning, AI/ML. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 122 results

Cursor

Join Cursor as a Software Engineer on the RL Data team to create and improve tasks for training coding agents.

Cursor San Francisco Published 2 weeks ago
Preference Model

Join Preference Model as a Research Engineer to advance self-directed learning in machine learning with a focus on RL environments.

Preference Model San Francisco Published 2 weeks ago
Flexible on stack
Preference Model

Join Preference Model as a Research Engineer to advance self-directed learning in large language models within a fast-paced startup.

Preference Model San Francisco, United States Published 1 day ago
Flexible on stack
Anthropic

Join Anthropic as a Research Engineer to enhance AI's coding capabilities through reinforcement learning in a collaborative environment.

Anthropic San Francisco, CA | New York City, NY $500k–$850k/yr Published 3 months ago
Flexible on stack
Preference Model

Join Preference Model as a senior ML Engineer to design RL environments for advancing machine learning capabilities.

Preference Model San Francisco Published 2 weeks ago
Flexible on stack
Preference Model

Join Preference Model as a Senior Machine Learning Engineer to design RL environments for advancing ML capabilities.

Preference Model San Francisco, United States Published 1 day ago
Flexible on stack
Preference Model

Join Preference Model as a Senior ML Infrastructure Engineer to build scalable infrastructure for post-training research on large language models.

Preference Model San Francisco Published 3 days ago
Flexible on stack
Anthropic
Anthropic San Francisco, CA | New York City, NY | Seattle, WA $500k–$850k/yr Published 11 months ago
Preference Model

Join Preference Model as a Senior ML Infrastructure Engineer to build scalable infrastructure for post-training research on large language models.

Preference Model San Francisco, United States Published 1 day ago
Flexible on stack
Mirendil

Join Mirendil as a staff engineer to build the post-training stack for frontier reasoning models in a tech-first startup.

Mirendil San Francisco $300k–$400k/yr Published 2 months ago
Preference Model

Join Preference Model as a Machine Learning Engineer to develop low-level reinforcement learning environments in a fast-paced startup.

Preference Model San Francisco Published 2 weeks ago
Flexible on stack
Preference Model

Join Preference Model as a new graduate Machine Learning Engineer to design and build reinforcement learning environments.

Preference Model San Francisco Published 4 months ago
Flexible on stack
Anthropic

Join Anthropic as a Staff+ Software Engineer to build and maintain the RL Data Platform for reliable AI systems.

Anthropic San Francisco, CA | New York City, NY $320k–$405k/yr Published 2 weeks ago
Flexible on stack AI-first team
Inferact

Join Inferact as an inference runtime engineer to optimize AI model execution across diverse hardware and architectures.

Inferact San Francisco $200k–$400k/yr Published 2 months ago
Flexible on stack
Anthropic

Join Anthropic as a Research Engineer to advance AI models' silicon design capabilities within a hybrid work environment.

Anthropic San Francisco, CA | New York City, NY $500k–$850k/yr Published 2 months ago
Flexible on stack
Anthropic

Join Anthropic as a Staff+ Research Engineer to build and maintain the RL Data Platform for reliable AI systems.

Anthropic San Francisco, CA | New York City, NY $500k–$850k/yr Published 2 weeks ago
Flexible on stack AI-first team
Anthropic

Join Anthropic as a Staff Software Engineer to drive reinforcement learning efforts and design systems for coding capabilities.

Anthropic San Francisco, CA | New York City, NY | Seattle, WA $405k–$625k/yr Published 1 month ago
Anthropic

Join Anthropic as a Technical Program Manager to drive progress in reinforcement learning research and enhance AI systems.

Anthropic San Francisco, CA | New York City, NY $365k–$435k/yr Published 1 month ago