Job brief: Senior Machine Learning Infrastructure Engineer, Matchmaking

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: $243,290 to $295,250 a year
• Job type: Not stated
• Where: San Mateo, CA, United States · San Mateo, CA
• Posted: 2026-11-03

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

Level: Senior. The title says "Senior".

Must have

• 5+ years of experience designing, building, and deploying large-scale machine learning and data systems in production environments.
• 3+ years of experience tech-leading ML infrastructure or data engineering teams.

Conditions

• Build online and continual learning systems that let models adapt to user behavior and content shifts in near real time.

Main duties

• Work at the intersection of model architecture and ML infrastructure, partnering closely with core modelers, data and AI infrastructure engineers, and produc…
• Design and own large-scale data engineering and streaming systems that power ML, including real-time event ingestion, streaming feature computation, training…
• Build online and continual learning systems that let models adapt to user behavior and content shifts in near real time. This includes incremental and stream…
• Investigate model, data, and systems tradeoffs end to end, from streaming data pipelines and distributed training to low-latency inference and production ser…
• Own the architecture, establish engineering best practices of scalability, reliability, and cost-effectiveness of ML infrastructure (e.g., training, serving,…

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 engineer jobs in San Mateo, CA: $254k a year (215 listings, 2 employers). This listing is 6% 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.

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1. Which of the listed places is this role based in?
2. What are the interview steps, and when should I expect to hear back?

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Next steps

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