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fable12 is not a job board. It is a record of how long each listing has actually been open, read straight from employers’ own hiring systems. Listings link to the employer; ages are the employer’s own publish date — how we know.

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Jobs

Indexed directly from employers. Every age is their own publish date.

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694 postings mention “Research Engineer - Reinforcement Learning” in the description

13 roles · group by role

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45d
Research Engineer - Reinforcement Learning
Prime IntellectResearchSan Francisco; RemoteRemote
Apply Research Engineer - Reinforcement Learning at Prime Intellect — opens Prime Intellect’s own board
6mo
Research Engineer - Reinforcement Learning, Self-Driving
Applied IntuitionAI ResearchSunnyvalehalf of Applied Intuition’s roles are under 2 months
Apply Research Engineer - Reinforcement Learning, Self-Driving at Applied Intuition — opens Applied Intuition’s own board
11mo
AI Research Engineer - Reinforcement Learning
HelsingSoftwareBarcelona; Berlin; London; Munich; Parishalf of Helsing’s roles are under 3 months
Apply AI Research Engineer - Reinforcement Learning at Helsing — opens Helsing’s own board
29d
Research Scientist / Engineer – Reinforcement Learning Infrastructure
Luma AIResearch & AIRedwood City, CAHybrid
Apply Research Scientist / Engineer – Reinforcement Learning Infrastructure at Luma AI — opens Luma AI’s own board
40d
Research Engineer, Chip Design RL (Reinforcement Learning)
AnthropicAI Research & EngineeringSan Francisco, CA | New York City, NY
Apply Research Engineer, Chip Design RL (Reinforcement Learning) at Anthropic — opens Anthropic’s own board
2mo
Research Engineer, Code RL (Reinforcement Learning)
AnthropicAI Research & EngineeringSan Francisco, CA | New York City, NY
Apply Research Engineer, Code RL (Reinforcement Learning) at Anthropic — opens Anthropic’s own board
5mo
Research Engineer, Performance RL (Reinforcement Learning)
AnthropicAI Research & EngineeringSan Francisco, CAhalf of Anthropic’s roles are under 46 days
Apply Research Engineer, Performance RL (Reinforcement Learning) at Anthropic — opens Anthropic’s own board
6mo
Research Engineer, Machine Learning (Reinforcement Learning)
AnthropicAI Research & EngineeringLondon, UKhalf of Anthropic’s roles are under 46 days
Apply Research Engineer, Machine Learning (Reinforcement Learning) at Anthropic — opens Anthropic’s own board
9mo
Research Engineer, Cybersecurity RL (Reinforcement Learning)
AnthropicAI Research & EngineeringSan Francisco, CA | New York City, NYhalf of Anthropic’s roles are under 46 days
Apply Research Engineer, Cybersecurity RL (Reinforcement Learning) at Anthropic — opens Anthropic’s own board
1.4y
Research Engineer, Machine Learning (Reinforcement Learning)
AnthropicAI Research & EngineeringSan Francisco, CA | New York City, NYhalf of Anthropic’s roles are under 46 days
Apply Research Engineer, Machine Learning (Reinforcement Learning) at Anthropic — opens Anthropic’s own board
2mo
AI Research Scientist, New Grad – Agents & Reinforcement Learning
SnowflakeEngineeringUS-WA-Bellevuehalf of Snowflake’s roles are under 33 days
Apply AI Research Scientist, New Grad – Agents & Reinforcement Learning at Snowflake — opens Snowflake’s own board
4mo
Full-Stack Software Engineer, Reinforcement Learning
AnthropicAI Research & EngineeringSan Francisco, CA | New York City, NYhalf of Anthropic’s roles are under 46 days
Apply Full-Stack Software Engineer, Reinforcement Learning at Anthropic — opens Anthropic’s own board
5mo
Anthropic Fellows Program, ML Systems & Reinforcement Learning
AnthropicAI Research & EngineeringLondon, UK; Ontario, CAN; Remote-Friendly, United States; San Francisco, CAhalf of Anthropic’s roles are under 46 days
Apply Anthropic Fellows Program, ML Systems & Reinforcement Learning at Anthropic — opens Anthropic’s own board