…multi-hour agentic tasks in investment banking and corporate law, real professional accounting workflows, real-world software engineering, and graduate-level science. Every APEX…

…Your contributions will span model architecture, data curation, training and inference infrastructures, evaluation protocols, alignment and reinforcement learning from human feedback (RLHF), and many…

…In this role, you will sit at the intersection of software engineering and model training: writing high-velocity production code to create rich interactive…

…GPU-based simulator to train reinforcement-learning agents across thousands of parallel environments Develop the tooling that underpins RL training, including domain randomisation, to…

…software engineering or research developing machine learning models with frameworks such as JAX, PyTorch, or TensorFlow. Experience conducting post-training, reinforcement learning (RL), or…

…LLMs in long-horizon reasoning, planning, and tool use for complex software engineering tasks. Design and implement novel agentic architectures, exploring frontiers such as…

Annapurna Labs, designs custom silicon powering AWS’s cloud infrastructure. Custom SoCs live at the heart of Amazon ML servers — including Inferentia and Trainium…

…3+ years of software engineering experience, with meaningful experience in infrastructure, platform engineering, or SRE roles. Experience operating distributed systems in production and keeping…

…Develop tooling for dataset construction—including human annotation workflows, synthetic data generation, and preference data collection for RLHF/DPO-style training. Own data quality…

…Develop, pre-train, and fine-tune in-house LLMs and multimodal foundation models. Apply SOTA post-training alignment techniques (SFT, RLHF, DPO) to maximize…

…REQUIRED QUALIFICATIONS Production Infrastructure Experience: 7+ years of software engineering experience with a proven track record of designing, building, and operating production-scale machine…

…s engineers or their leadership - Genuine curiosity about AI inference and training, and a drive to become an expert in the infrastructure powering it…

…As a Senior Fullstack Software Engineer on the Studio Experience team, you'll own the Studio user journeys end-to-end: the React frontend…

…onboarding on RL2 software and L&D processes Rename courses to pull through to reports effectively Create simple courses within the training database Assist…

…Training, RL & Evaluation Infrastructure • Build and scale the offline inference systems behind post-training — high-throughput rollout generation and reward-model serving for reinforcement…