Senior Software Engineer - AI Agent Cloud Platform

Roblox; San Mateo (CA); On-site; USD 197,000 - 243,000; Full time

Benefits offered by this job

Equity compensation

Competitive benefits

Job summary

Roblox is seeking a Senior Software Engineer for the Build Platform team in San Mateo to design, build, and operate cloud-scale backend services that power AI-driven creation. This role focuses on orchestration, model routing, and tool execution to support scalable workflows for millions of creators.

You will own services end-to-end, improve reliability and latency, collaborate with ML, Safety, and product teams, and mentor other engineers while contributing to on-call operations and rigorous

Qualifications

• 5+ years of experience building and operating backend or distributed systems in production.
• Proficiency in C#, Java, Go, or a similar language.
• Experience with cloud infrastructure, containerized services, and workflow or job orchestration systems (e.g., Temporal, Kubernetes).
• A track record of owning services end-to-end: design, launch, monitoring, and incident response.
• A BS in Computer Science or a related field, or equivalent professional experience.

Responsibilities

• Design, build, and operate services in the agent platform, including orchestration, session management, model routing, and tool/skill execution.
• Improve the reliability, latency, and cost of multi-step agent workflows running in production.
• Build and extend evaluation infrastructure so teams can measure quality and catch regressions before they reach creators.
• Partner with Build product teams, ML infrastructure, and Safety to ship new capabilities quickly and safely.
• Participate in on-call and help raise the bar for operational excellence.
• Write clear technical specs, review code, and mentor other engineers.

Skills

5+ years experience

C#/Java/Go

Cloud infrastructure

Temporal/Kubernetes

End-to-end ownership

BS in CS

Education

BS in Computer Science

Tools

Temporal

Kubernetes

Job description

Roblox is seeking a Senior Software Engineer for the Build Platform team in San Mateo to design, build, and operate cloud-scale backend services that power AI-driven creation. This role focuses on orchestration, model routing, and tool execution to support scalable workflows for millions of creators.

You will own services end-to-end, improve reliability and latency, collaborate with ML, Safety, and product teams, and mentor other engineers while contributing to on-call operations and rigorous