Staff AI research jobs
Last updated 3 days ago
43 open staff AI research roles at 15 AI companies, including Hark AI, Reflection AI and Anthropic. Updated daily; 1 was posted this week.
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Member of Technical Staff (Machine Learning Research Engineer) —
Perplexitynew
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Member of Technical Staff, Research (2026 PhD New Grad) —
Fireworks AI
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Member of Technical Staff, Research Engineer —
xDOF
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Member of Technical Staff (Secure Intelligence Institute) — Perplexity
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Staff+ Research Engineer, RL Data Platform —
Anthropic
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Member of Technical Staff (AI Researcher) — Perplexity
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Member of Technical Staff, Frontier RL Environments —
Hark AI
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Staff+ Software Engineer, Infrastructure, Interpretability — Anthropic
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Staff+ Researcher, Cybersecurity Products — Anthropic
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Member of Technical Staff - Post-Training —
Reflection AI
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Member of Technical Staff, Research — Fireworks AI
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Member of Technical Staff (Model Behavior) — Perplexity
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Member of Technical Staff - ML Scientist, Japanese Multimodal —
Liquid AI
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Member of Technical Staff - Research Software Engineer - Safety Evaluations Infrastructure — Reflection AI
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Member of Technical Staff - Research, Post-Training —
Modal
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Member of Technical Staff - Research, Inference — Modal
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Member of Technical Staff - Research —
Armadin
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Member of Technical Staff, Post-Training, RL Environments —
Mirendil
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Member of Technical Staff, Post-Training, RL — Mirendil
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Member of Technical Staff, Pretraining — Mirendil
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Member of Technical Staff, Research Engineer —
Crosby
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Member of Technical Staff, Recursive Self-Improvement (RSI) — Mirendil
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Member of Technical Staff - Post-Training and RL —
xAI
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Member of Technical Staff (Research / Engineering) —
Ineffable Intelligence
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Member of Technical Staff (Answer Quality & Evals) — Perplexity
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Member of Technical Staff, Multimodal Speech — Hark AI
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Member of Technical Staff, Pretraining — Hark AI
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Member of Technical Staff, Multimodal Post-train/RL — Hark AI
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Member of Technical Staff, Multimodal — Hark AI
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Member of Technical Staff, Multimodal Vision — Hark AI
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Member of Technical Staff, Post-training — Hark AI
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Member of Technical Staff, Mid-training — Hark AI
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Member of Technical Staff - Research Software Engineer — Reflection AI
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Member of Technical Staff, Reinforcement Learning —
Inception Labs
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Member of Technical Staff —
Latent Labs
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Member of Technical Staff — Latent Labs
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Member of Technical Staff - Safety — Reflection AI
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Member of Technical Staff - Evaluations — Reflection AI
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Member of Technical Staff - Multi-Modal, Audio — Liquid AI
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Member of Technical Staff - Pre-Training — Reflection AI
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Member of Technical Staff - ML Research Engineer, Data — Liquid AI
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Staff Research Engineer, Discovery Team — Anthropic
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Staff+ Research Scientist, Multi-Agent — Anthropic
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