Senior Software Engineer, Machine Learning Infrastructure - Generative AI

Build and lead the design of DoorDash’s open-weights GenAI platform infrastructure, spanning real-time GPU serving, high-throughput batch inference, and fine-tuning. Own the serving and training pipelines, GPU autoscaling/utilization, backend services, and observability while pushing cost/latency improvements for production LLM workloads. Partner with ML, product, data science, and platform teams across DoorDash, Wolt, and Deliveroo to turn emerging GenAI capabilities into reusable platform primitives.