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.
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
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
Job details are sourced from the employer's original posting.
Open job postingAbout the company
Radixark is an AI company focused on building foundational models and AI infrastructure. They are developing novel approaches to AI development and deployment.