"rl" Jobs

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

Showing 20 of 128 results

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 4 days 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 5 months 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 weeks ago
Flexible on stack
Anthropic
Anthropic San Francisco, CA | New York City, NY | Seattle, WA $500k–$850k/yr Published 1 year ago
Snorkel AI

Join Snorkel AI as a Research Scientist to advance reinforcement learning techniques for training large language models.

Snorkel AI New York City, NY (Hybrid); San Francisco, CA (Hybrid); United States (Remote) $200k–$350k/yr Published 5 months ago
Flexible on stack
Preference Model

Join Preference Model as a Research Engineer to design and build RL environments for advancing machine learning capabilities.

Preference Model San Francisco Published 4 days ago
Flexible on stack
Preference Model

Join Preference Model as a Research Engineer to design and build RL environments for advancing machine learning capabilities.

Preference Model San Francisco Published 3 weeks 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 4 months ago
Anthropic

Join Anthropic as a Research Engineer/Scientist to develop next-generation RL algorithms and architectures at frontier scale.

Anthropic San Francisco, CA | New York City, NY | Seattle, WA $500k–$850k/yr Published 1 month 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 6 months ago
Flexible on stack
Anthropic

Join Anthropic as a Security Engineer to secure large-scale reinforcement learning systems in a collaborative AI research environment.

Anthropic San Francisco, CA | New York City, NY | Seattle, WA $320k–$405k/yr Published 3 weeks ago
Flexible on stack
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 4 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 months ago
Flexible on stack AI-first team
Anthropic

Join Anthropic as a Research Engineer to design and operate distributed systems for reinforcement learning at scale.

Anthropic San Francisco, CA | New York City, NY | Seattle, WA $500k–$850k/yr Published 1 month ago
Flexible on stack
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 3 months ago
Anthropic

Join Anthropic as a Research Engineer to advance AI models' silicon design capabilities within a collaborative team.

Anthropic San Francisco, CA $500k–$850k/yr Published 3 weeks ago
Flexible on stack
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 3 months ago
Preference Model

Join Preference Model as a senior ML Platform Engineer to automate and enhance RL environment delivery for partner labs.

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

Join Preference Model as a senior ML Platform Engineer to automate and optimize RL environment delivery for partner labs.

Preference Model San Francisco Published 4 days ago
Flexible on stack