Job brief: Principal Data Scientist, Economy Recommendations

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 2026-11-12 (today); last confirmed on the board 2026-11-12.
• 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: $322,820 to $373,680 a year
• Job type: Not stated
• Where: San Mateo, CA, United States · San Mateo, CA
• Posted: 2026-11-12

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

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

Must have

• 8+ years of industry or research experience in Data Science, Economics, or ML Engineering, specifically within large-scale recommendation systems, pricing, or UGC content platform…
• An Advanced Degree (Master’s or PhD) in Economics, Econometrics, Quantitative Finance, Statistics, Operations Research, Physics, Computer Science, or a related quantitative field.

Main duties

• Set the Technical Direction: Lead the development of retrieval and ranking solutions that power the Economy recommendation engine and surfaces.
• Measure Long-Term Impact: Build rigorous measurement and causal inference solutions to enable ranking models to optimize for long-term ecosystem health, crea…
• Drive Strategy: Partner with product and engineering leaders as a primary scientific advocate, providing unbiased measurement and insights to accelerate inno…
• Prototype & Productize: Develop ranking prototypes to demonstrate what is possible, and partner closely with ML Engineering (MLE) to productize these solutio…
• Elevate the Team: Mentor and grow other data scientists on the team, create a culture of scientific excellence, and drive alignment on the long-term technica…

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 data and analytics jobs in San Mateo, CA: $222k a year (27 listings, 2 employers). This listing is 57% higher.
• Across Roblox's 257 open listings, 43% 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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Next steps

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