Job brief: Principal Software Engineer, GPU Compute

What JoRoute checked · Checked by JoRoute

• Listed on Roblox's own job board. JoRoute does not take listings from job ads or recruiters.
• First seen by JoRoute 2026-11-04 (4 days ago); last confirmed on the board 2026-11-08.
• The apply link opens careers.roblox.com, the address Roblox's board gives for this job.
• No other listing with this title and place on this board in the last 90 days.
• No layoff notices (WARN) under this name in the state files JoRoute reads.

What the listing says · Employer's own words, not checked

• Pay: $345,040 to $399,420 a year
• Job type: Not stated
• Where: San Mateo, CA, United States · San Mateo, CA
• Posted: 2026-06-04 · over 60 days ago

What the job asks · Employer's own words, not checked

Level: Lead / staff. The title says "Principal".

Must have

• 10+ years of experience building and operating large-scale distributed systems and infrastructure.

Main duties

• Serve as the GPU technical leader for the Compute team, partnering across Kubernetes, Machine Bootstrap, Networking, and Cloud to drive GPU strategy end to end.
• Own the GPU host lifecycle above raw fleet management: driver, firmware, and CUDA stack management, GPU health and telemetry, and remediation of GPU-specific…
• Architect how GPU capacity is exposed to compute platforms, including scheduling, isolation, and integration with Kubernetes for GPU and AI workloads.
• Drive GPU reliability and performance at fleet scale, defining the detection, diagnosis, and automated repair of unhealthy accelerators before they impact pr…
• Evaluate and onboard new GPU and AI accelerator platforms, networking topologies (NVLink, InfiniBand, RoCE), and multi-node training and inference patterns.

Lines copied from the posting, not rewritten. "Preferred" or "nice to have" items are not listed as must-haves.

How it compares · Compared by JoRoute from listings

• Typical listed pay for software engineer jobs in San Mateo, CA: $257k a year (148 listings, 2 employers). This listing is 45% higher.
• Across Roblox's 251 open listings, 42% of those with a posting date were first posted more than 60 days ago. How Roblox hires

What nobody outside the employer knows · Not known

• Whether the role is already filled or on hold: employers often leave listings up.
• How many people applied, and who reads the applications.
• Where in the published range an offer would land.

Ask before you apply

1. Is this role still open, and when do you hope to fill it?
2. Which of the listed places is this role based in?
3. What are the interview steps, and when should I expect to hear back?

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