San Mateo, Roblox Principal Software Engineer – Economy ML; Data Systems

Why Here?

Roblox attracts tens of millions daily to explore, create, play, learn, and connect in 3D immersive digital experiences built by a global community of developers. The Economy ML team builds the machine learning backbone powering Marketplace, Developer Monetization, and Payments ecosystems. They drive user engagement, monetization, and creator success through intelligent pricing, personalized storefronts, and dynamic optimizations at massive scale.

As a Principal Software Engineer – Economy ML (Data Systems) at Roblox, you will lead data engineering for the Economy ML team, setting standards for batch and streaming pipelines, table designs, observability, and documentation. You will build hands‑on high‑scale data systems enabling real‑time feature serving for search, recommendation, and personalization across product surfaces. Additionally, you will partner with Product, Data Science, and ML teams to prioritize initiatives driving business growth while mentoring engineers on schema design and experimentation data practices.