Senior Software Engineer, Build Platform

Senior Software Engineer on the Build Platform team at Roblox, building cloud infrastructure for AI-driven game creation. Responsibilities include designing and operating agent platform services, improving reliability and latency of multi-step agent workflows, building evaluation infrastructure, and partnering with product teams. Requires 5+ years backend experience, proficiency in C#/Java/Go, and experience with cloud infrastructure and orchestration systems.

5+ years building backend/distributed systems in production. Proficiency in C#, Java, Go, or similar. Experience with cloud infrastructure, containerized services, and workflow orchestration (e.g., Temporal, Kubernetes). Track record of owning services end-to-end. BS in CS or equivalent. Curious about LLMs and agentic systems. Pragmatic, data-driven. Bonus: experience with LLM APIs, agent frameworks, or eval pipelines.