• Play a critical role in building SOTA LLMs and foundation models within a small, high-impact team • Help build a reliable, maintainable and scalable software stack • Produce world-leading models that are open-sourced and integrated into new Flower Lab products • Design, implement and optimize core components across the full spectrum of stages relevant to frontier model building: data curation, evals, pre-training, post-training • Diagnose and resolve GPU/kernel issues, memory/storage bottlenecks, and multi-node failures at scale • Collaborate on the debugging of training instabilities and related issues • Devise surrounding infrastructure, tooling, monitoring, and observability, essential for large-scale LLM development • Contribute ideas, be heard and influence the direction of the company across the board.