…The RL infrastructure team is looking for an engineer to help develop our RL training framework. RESPONSIBILITIES: Design and implement the systems backing all…

Overview Microsoft AI is looking for a Member of Technical Staff, Multimodal Infrastructure to help build the next wave of capabilities of our personalized…

…As an early member of this initiative, you will have significant autonomy to set the technical direction, design our data collection strategy across test…

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

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

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

…Design and optimize our inference stack for all shapes of RL workloads at SpaceXAI, from small scale ablations to production training runs. Analyze, profile…

…Qualifications Must-haves: - 8+ years of industry experience, that includes time as a Staff-level engineer before transitioning into management. - 1+ years of engineering…

…Member of Technical Staff, Microsoft Robotics (Robotics Simulation) at the Senior level, to lead the design, integration, and analysis of physics-based simulation frameworks…

…thousands of GPUs and nodes for large-scale training workloads. - Develop high-performance optimizations to maximize throughput and efficiency. - Develop reusable frameworks and libraries…

…Work across the stack (pre-training → SFT/RL/post-training) to enable reasoning, tool calling, agentic behaviors, orchestration, and seamless real-time interactions. BASIC…

…This includes distributed training libraries, post-training workflows (RLHF, DPO, fine-tuning), reinforcement learning frameworks, and training performance optimization. Your mission is to enable…

…Strong understanding of LLM training pipelines — pretraining, supervised fine-tuning, RLHF/DPO, and how data quality and composition affect each stage. Experience designing and…

…data, training, and evaluation pipelines required for model development - Build robust and effective training frameworks (on top of Megatron/PyTorch) for post-training LLMs…

…The AI Applications Team You will have the opportunity to join as one of the founding members of this newly formed team that is…

…data pipelines or RL training workflows. - Experience debugging performance issues across GPU, networking, and distributed execution layers. WHAT WE OFFER: We believe that to…

…Microsoft AI is building the training infrastructure that powers frontier-scale models and advances research toward humanist superintelligence. As a Member of Technical Staff…

…ABOUT THE ROLE You will architect and optimize the core training infrastructure that powers our models. This includes RL training loops, distributed GPU systems…

…Design evaluation frameworks, metrics, benchmarks, evals, and reward models tailored to image/video/audio quality and coherence. Implement efficient algorithms for state-of-the…

…About This Opportunity As a Staff Engineer on the AI team, you'll lead the technical direction of the AI agents that turn natural…

…THE WORK - Act as the technical owner for enterprise customer post-training engagements involving text workloads - Translate customer requirements into concrete post-training specifications…

…will touch many aspects of our broader research efforts, taking a full-stack approach across pretraining, SFT/RL post-training techniques, evaluation, and bringing…

…As a member of the Data Team, your mission is to ensure that the data used to train and evaluate our models meets a…

…As a Member of Technical Staff, Applied ML, you will: 1. Work directly with enterprise customers on problems that push LLMs to their limits…

…As a Member of Technical Staff, Applied ML, you will: 1. Work directly with enterprise customers on problems that push LLMs to their limits…