AI Researcher

ABOUT THE ROLE We’re looking for researchers and engineers who love training the best AI models. You’ll work on the full training stack, from data and recipes to post-training, RL, and evaluation, alongside a small, high-caliber team building at the frontier of AI systems. WHAT YOU MIGHT WORK ON - Pre-training, mid-training, and post-training of large models - Reinforcement learning, reasoning, and reward modeling - Data, evaluation, and the research behind making models measurably better YOU MIGHT BE A FIT IF YOU - Have a track record of research or engineering on large-model training - Care about shipping results, not just publishing them - Are curious, direct, and comfortable with ambiguity