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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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1,588 postings mention “AI Research Engineer, Post-Training” in the description

10 roles across 13 listings · show every listing

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4mo
AI Research Engineer, Post-Training
LovableEngineeringStockholm; Londonhalf of Lovable’s roles are under 37 days
Apply AI Research Engineer, Post-Training at Lovable — opens Lovable’s own board
3mo
AIML Researcher/Engineer - Foundation Model Post-Training
AppleMachine Learning and AICupertino+2 more listings
Apply AIML Researcher/Engineer - Foundation Model Post-Training at Apple — opens Apple’s own board
48d
Research Engineer, Post-Training Inference
Together AIResearchSan Francisco
Apply Research Engineer, Post-Training Inference at Together AI — opens Together AI’s own board
2mo
Principal Research Engineer, Post-Training
Character.AITechnical Staff - MLRedwood City, CA
Apply Principal Research Engineer, Post-Training at Character.AI — opens Character.AI’s own board
6mo
Research Engineer, Production Model Post-Training
AnthropicAI Research & EngineeringZürich, CH+1 more listingoldest open 1y 5mhalf of Anthropic’s roles are under 47 days
Apply Research Engineer, Production Model Post-Training at Anthropic — opens Anthropic’s own board
8mo
Member of Technical Staff - Data Quality Engineer (Post-training)
Reflection AIResearchSan Francisco, CA; London; New York, NYhalf of Reflection AI’s roles are under 3 months
Apply Member of Technical Staff - Data Quality Engineer (Post-training) at Reflection AI — opens Reflection AI’s own board
10mo
Staff Machine Learning Research Engineer, Agent Post-training - Enterprise GenAI
Scale AICorporateSan Francisco, CA; New York, NYhalf of Scale AI’s roles are under 4 months
Apply Staff Machine Learning Research Engineer, Agent Post-training - Enterprise GenAI at Scale AI — opens Scale AI’s own board
10mo
Machine Learning Systems Research Engineer, Agent Post-training - Enterprise GenAI
Scale AICorporateSan Francisco, CA; New York, NYhalf of Scale AI’s roles are under 4 months
Apply Machine Learning Systems Research Engineer, Agent Post-training - Enterprise GenAI at Scale AI — opens Scale AI’s own board
2y
Research Engineer, Post-training & Deployment
Skild AIEngineeringSan Mateo, CAhalf of Skild AI’s roles are under 6 months
Apply Research Engineer, Post-training & Deployment at Skild AI — opens Skild AI’s own board
2.6y
Research Engineer, Post-Training (All Industry Levels)
Character.AITechnical Staff - MLRedwood City or New York Cityhalf of Character.AI’s roles are under 8 monthsHybrid
Apply Research Engineer, Post-Training (All Industry Levels) at Character.AI — opens Character.AI’s own board