"rl" Jobs

270 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 270 results

Ricursive Intelligence

Join Ricursive Intelligence to tackle challenges in scaling and optimization for LLM training and inference.

Ricursive Intelligence Palo Alto Published 7 months ago
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
Ricursive Intelligence

Join Ricursive Intelligence to conduct novel AI research and work on LLM modeling and scaling in a hands-on startup environment.

Ricursive Intelligence Palo Alto Published 7 months 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
Lyft

Join Lyft as a Machine Learning Engineer to develop AI agents that enhance safety and customer care for riders and drivers.

Lyft Toronto, Canada CA$118.8k–CA$148.5k/yr Published 1 month ago
Flexible on stack 70% coding
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 ML Infrastructure Engineer to build scalable infrastructure for post-training research on large language models.

Preference Model San Francisco Published 2 days ago
Flexible on stack
Anthropic
Anthropic San Francisco, CA | New York City, NY | Seattle, WA $500k–$850k/yr Published 11 months ago
Inferact

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

Inferact Singapore S$200k–S$400k/yr Published 2 months ago
Flexible on stack
Ricursive Intelligence

Join a startup focused on reinventing chip design with a hands-on role in RTL and design verification.

Ricursive Intelligence Palo Alto Published 5 months ago
70% coding
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
Inferact

Join Inferact as an inference runtime engineer to innovate AI inference engines for large models in a fully remote role.

Inferact Remote Published 1 week ago
Flexible on stack
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