Research Engineer, Reinforcement Learning

Why this role

Prime Intellect is building the open superintelligence stack — the infrastructure frontier labs build internally, made available to every ambitious AI team. Their platform unifies compute, environments, evals, secure sandboxes, large-scale training, and deployment into one full-stack system for post-training at frontier scale. They train open frontier models and ship the same stack to customers. Raised $150M from Founders Fund, Radical Ventures, NVIDIA, and backers including Andrej Karpathy, Dwarkesh Patel, and founders from Ramp, Perplexity, Harvey, and OpenAI.