Principal Software Engineer, Build Platform
Core
Senior technical leader shaping the architecture for AI-powered creation tools on Roblox, enabling users to build games via natural language descriptions.
Role type
Principal Software Engineer (AI/ML Infrastructure)
Builds
Cloud-hosted agent harness, tools, skills, and evaluation framework for AI-driven game creation.
Domain
Gaming / Generative AI / Distributed Systems
Deliverable
production ML models
Required skills
Large-scale distributed systems, Backend platform design, Production AI/ML systems (LLM integration, agentic execution), Tool and skill design, Structured evaluation for AI systems, Technical leadership
Preferred skills
Workflow engines (Temporal), Multi-provider model routing, AI cost management
Technologies
LLMs, Temporal, Cloud infrastructure
Responsibilities
Own technical architecture and roadmap for the Build agent platform, Design for reliability/safety/observability/cost in AI workloads, Define agent quality measurement and evaluation infrastructure, Partner with product/ML/Safety teams, Mentor engineers and raise the engineering bar
