…RL-based post-training (PPO/DPO/GRPO), and large-scale distributed training (data, model, and context parallelism). - A history of being a technical authority…

…Experience with custom model training, fine-tuning, or post-training (SFT, RLHF/DPO) over proprietary technical data. Excellent self-motivation, creativity, and a passion…

…training, and deployment into one full-stack system for post-training at frontier scale - from SFT and RL to tool use, agent workflows, and…

…training, and deployment into one full-stack system for post-training at frontier scale - from SFT and RL to tool use, agent workflows, and…

…Optimization and integration of inference systems into our RL training stack. CORE TECHNICAL RESPONSIBILITIES LLM Serving - Multi‑tenant LLM Serving: Build a multi-tenant…

…training, and deployment into one full-stack system for post-training at frontier scale - from SFT and RL to tool use, agent workflows, and…

…training, and deployment into one full-stack system for post-training at frontier scale - from SFT and RL to tool use, agent workflows, and…

…training, and deployment into one full-stack system for post-training at frontier scale - from SFT and RL to tool use, agent workflows, and…

…proprietary models, training data, and the compute that powers them. This role owns the security posture of everything we ship: the hosted RL training…

…technical pillars include post-training enhancements, harness design, agentic reinforcement learning (RL), and the construction of specialized RL environments. As a member of this…