Senior Build Platform Engineer — AI-driven Cloud & Tools

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

Benefits offered by this job

Equity compensation

Benefits described on page

Job summary

Roblox is seeking a Senior Software Engineer for the Build Platform team in San Mateo, CA. You will design, build, and operate services that power AI-driven creation, focusing on long-running workflows, model routing, and tool execution.

You’ll collaborate with ML infrastructure and Safety, participate in on-call, and mentor engineers while shipping reliable, cost-efficient systems. Experience: 5+ years in backend/distributed systems; proficiency in C#, Java, or Go; cloud and Kubernetes; BS in

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

Backend systems

Distributed systems

C#/Java/Go

Cloud infrastructure

Workflow orchestration

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, CA. You will design, build, and operate services that power AI-driven creation, focusing on long-running workflows, model routing, and tool execution.

You’ll collaborate with ML infrastructure and Safety, participate in on-call, and mentor engineers while shipping reliable, cost-efficient systems. Experience: 5+ years in backend/distributed systems; proficiency in C#, Java, or Go; cloud and Kubernetes; BS in