Senior Software Engineer

Do you want to build the AI platform that trains the world's most advanced models? Join CoreAI, where we're building next-generation systems for large‑scale reinforcement learning. Our platforms power the full lifecycle of cutting‑edge LLMs – from rapid experimentation to global production deployment. On our team, you'll play a pivotal role in making large‑scale training and reinforcement learning workflows faster, safer, and more reliable. You'll: Build and evolve distributed services that underpin massive training runs; Improve iteration loops for researchers and engineers; Debug complex interactions between models and hardware; Apply advanced performance optimization techniques that directly impact product quality and operational excellence; Develop deep expertise in ML systems, AI infrastructure, and compute orchestration; Ship platform capabilities that enable mission‑critical AI workloads for customers around the world. Microsoft's mission is to empower every person and every organization on the planet to achieve more, and we're dedicated to this mission across every aspect of our company. Our culture is centered on embracing a growth mindset and encouraging teams and leaders to bring their best each day. Join us and help shape the future of the world.