Frontier Lab Research Engineer

A confidential early-stage AI company is hiring a founding Research Engineer to own projects end to end and help shape the company’s research direction as it grows.

Responsibilities:

• You'll own projects end to end and have significant influence over the research direction as the company grows

Requirements:

• recent experience at a frontier AI lab or leading AI data / post-training company
• a hands-on contributor on the critical path of reinforcement learning or post-training work, rather than only applying models downstream
• built RL environments, tasks, benchmarks, evaluations or post-training datasets
• hands-on experience running SFT or reinforcement learning experiments and measuring their impact on model behaviour