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Post-training Jobs in United States

Browse 18 Post-training jobs in United States on FDE Jobs.

18 jobs
Scale logoSC

Machine Learning Systems Research Engineer, Agent Post-training - Enterprise GenAI

Scale

San Francisco, California, United States (On-site)

$250K – $350K Yearly8h ago
Machine Learning Engineer
ml-research-engineer
LLM Training
RLHF
Cartesia logoCA

Researcher, Post Training

Cartesia

San Francisco, California, United States (On-site)

$180K – $350K Yearly8h ago
AI Research
machine-learning-research
Reinforcement Learning
Machine Learning
OpenAI logoOP

Researcher, Context - Agent Post-Training

OpenAI

San Francisco, California, United States (On-site)

$250K – $380K Yearly8h ago
machine-learning-research
agent-research
LLMs
Reinforcement Learning
OpenAI logoOP

Researcher, Artifacts - Agent Post-Training

OpenAI

California, United States (Remote)

$250K – $380K Yearly8h ago
research-scientist
machine-learning-research
Machine Learning
Software Engineering
Scale logoSC

Staff Machine Learning Research Engineer, Agent Post-training - Enterprise GenAI

Scale

San Francisco, California, United States (On-site)

$250K – $350K Yearly8h ago
Machine Learning Engineer
AI Research Engineer
LLM Training
RLHF
OpenAI logoOP

Researcher, Computer Use - Agent Post-Training

OpenAI

San Francisco, California, United States (On-site)

$250K – $380K Yearly8h ago
machine-learning-research
agent-research
LLMs
reinforcement-learning-rl
Scale logoSC

Research Scientist, Safety Post Training

Scale

San Francisco, California, United States (On-site)

$216K – $270K Yearly8h ago
research-scientist
ai-safety-research
post-training-methods
RLHF
OpenAI logoOP

Researcher, Connectors - Agent Post-Training

OpenAI

California, United States (Remote)

$250K – $380K Yearly8h ago
Research
agents
Codex
ChatGPT
Distyl AI logoDA

Research Engineers, Post-Training

Distyl AI

San Francisco, California, United States (Hybrid)

$150K – $250K Yearly16h ago
research-engineering
AI Research
Fine-Tuning
Preference Optimization
DatologyAI logoDA

Research Scientist, Post-Training

DatologyAI

Redwood City, California, United States (On-site)

$180K – $300K Yearly16h ago
research-scientist
ai-research-scientist
deep-learning-research
PyTorch
Snowflake logoSN

Senior Software Engineer — LLM Post-Training Platform

Snowflake

Bellevue, Washington, United States (On-site)

$200K – $287.5K Yearly16h ago
Engineering
ML Infrastructure Engineering
PyTorch
deepspeed
OpenAI logoOP

Software Engineer, Post-Training Research

OpenAI

San Francisco, California, United States (Hybrid)

$255K – $405K Yearly8h ago
Software Engineering
Research
Python
Debugging
OpenAI logoOP

Research Engineer / Research Scientist, Post-Training

OpenAI

San Francisco, California, United States (Hybrid)

$295K – $555K Yearly8h ago
Research
post-training
Reinforcement Learning
Machine Learning
Together AI logoTA

Research Intern RL & Post-Training Systems, Turbo (Fall 2026)

Together AI

San Francisco, California, United States (On-site)

$58 – $63 Hourly16h ago
research-intern
reinforcement-learning-research
Reinforcement Learning
RLHF
OpenAI logoOP

Researcher, Alignment Training

OpenAI

San Francisco, California, United States (On-site)

$250K – $445K Yearly8h ago
machine-learning-research
ai-alignment-research
large-scale-model-training
large-scale-ml
OpenAI logoOP

Researcher: Agent Post-Training, API & Power-Users

OpenAI

California, United States (Remote)

$295K – $445K Yearly8h ago
Research
agents
Codex
ChatGPT
OpenAI logoOP

Researcher, Agent Post-Training, Personality

OpenAI

San Francisco, California, United States (On-site)

$295K – $445K Yearly16h ago
Research
agents
Codex
ChatGPT
Cohere logoCO

Member of Technical Staff, Integration/RL Team (Research Engineer)

Cohere

Eastern Time Zone, United States + 27 more (Remote)

8h ago
Machine Learning Engineer
Research Engineer
Python
JAX
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