LLM Post-training Engineer Jobs

Fine-tuning

2w ago

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

Scale

San Francisco, California, United States (On-site)$250K – $350K Yearly

ML Research Engineer

LLM Training

RLHF

5d ago

Member of Technical Staff, Post-Training

Cohere

London, England, United Kingdom (Hybrid)

AI Research

JAX

2w ago

High-Performance LLM Training Engineer - New College Grad 2026

NVIDIA

Santa Clara, California, United States (On-site)$124K – $195.5K Yearly

AI Research & Engineering

Deep Learning Engineer

HPC

LLM Training

2w ago

Research Engineer, Production Model Post Training

Anthropic

San Francisco, California, United States (Hybrid)$350K – $500K Yearly

RLHF

2w ago

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

Scale

San Francisco, California, United States (On-site)$250K – $350K Yearly

AI Research Engineer

LLM Training

RLHF

2w ago

Post-Training Applied Researcher

Baseten

California, United States (Remote)$200K – $275K Yearly

Reinforcement Learning Engineering

Applied AI

LLM Fine-tuning

Reinforcement Learning

5d ago

LLM Reinforcement Learning Framework Engineer

NVIDIA

Shanghai, Shanghai, China (On-site)

LLM Engineering

Machine Learning Engineering

PyTorch

19h ago

LLM Inference Engineer

Hippocratic AI

Palo Alto, California, United States (On-site)

LLM Engineering

LLM Inference

Distributed Serving

2w ago

Senior Research Scientist, Fundamental LLM Research for Knowledge, Reasoning, and Agents

NVIDIA

Santa Clara, California, United States (On-site)$224K – $356.5K Yearly

Large Language Models (LLMs)

AI Research

Natural Language Processing (NLP)

3w ago

Forward Deployed Engineer (Inference & Post-Training)

Together AI

San Francisco, California, United States (On-site)$270K – $300K Yearly

Inference Engineering

AI/ML Engineering

vLLM

TensorRT-LLM

2d ago

Member of Technical Staff - Data Quality Engineer (Post-training)

Reflection AI

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

Data Engineer

Data Quality Engineer

Machine Learning

2w ago

Machine Learning Research Scientist / Research Engineer, Post-Training

Scale

San Francisco, California, United States (On-site)$252K – $315K Yearly

5d ago

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

Cohere

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

Research Engineer

JAX

2d ago

Member of Technical Staff - Post-Training

Reflection AI

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

Deep Learning Research Engineering

AI Research

Machine Learning

Large Language Models

3w ago

Senior Deep Learning Research Engineer, LLM Inference

NVIDIA

Tel Aviv-Yafo, Tel Aviv District, Israel (On-site)

LLM Inference Optimization

PyTorch

2w ago

LLM Inference Frameworks and Optimization Engineer

Together AI

San Francisco, California, United States (On-site)$160K – $230K Yearly

AI Research Engineer

LLM Inference

TensorRT-LLM

5d ago

Researcher, Artifacts - Agent Post-Training

OpenAI

California, United States (Remote)$250K – $380K Yearly

Research Scientist

Machine Learning

Software Engineering

1w ago

Senior Performance Engineer - LLM Inference Frameworks

NVIDIA

Yokne'am, Northern District, Israel (Hybrid)

Performance Engineering

LLM Inference

PyTorch

4d ago

Researcher, Computer Use - Agent Post-Training

OpenAI

San Francisco, California, United States (On-site)$250K – $380K Yearly