SWE - Backend Infrastructure Engineer

Job description

About Sesame Sesame believes in a future where computers are lifelike - with the ability to see, hear, and collaborate with us in ways that feel natural and human. With this vision, we're designing a new kind of computer, focused on making voice agents part of our daily lives. Our team brings together founders from Oculus and Ubiquity6, alongside proven leaders from Meta, Google, and Apple, with deep expertise spanning hardware and software. Join us in shaping a future where computers truly come alive. Responsibilities: Design and build secure, maintainable, self-serve core infrastructure that engineering teams can rely on and operate independently Architect and evolve a modern ML training infrastructure — scalable, reproducible, and built for rapid experimentation Build and operate a modern model serving architecture with a focus on reliability, cost efficiency, and low latency Own and scale the low-latency voice interface and audio processing pipeline — a technically demanding, performance-sensitive system at the core of Sesame's product Build developer tooling, server infrastructure, and data infrastructure that is high leverage and low maintenance — the kind that makes other en...