Roblox · 14 hours ago
Principal Machine Learning Engineer, Account Authentication
San Mateo, CA
Full-time
Hybrid
Lead/Staff
$343K/yr - $397K/yrRoblox is a platform that empowers a global community to create and connect through immersive digital experiences. As a Principal Machine Learning Engineer on the Account Authentication and Security team, you will drive efforts in classification and anomaly detection to enhance account security and improve the onboarding experience.
3D TechnologyGamingMetaverseOnline GamesSoftwareVideo Games
Responsibilities
Drive the design, development, and deployment of our ML models for account security, including account takeover detection and anomaly detection in authentication flows
Identify, propose, and lead new ML initiatives that enhance both account security and the onboarding experience
Oversee ML project lifecycles end-to-end, from scoping and data collection to modeling, evaluation, productionization, and ongoing monitoring
Define and enforce standards for ML model quality, reliability, and operational excellence
Provide technical leadership and mentorship to ML engineers and set best practices for the broader Accounts organization
Collaborate cross-functionally with product managers, data scientists, engineers, and UX teams to align technical solutions with business priorities
Influence the long-term technical direction and roadmap for ML in account security across Roblox
Qualification
Required
Demonstrated expertise building, deploying, and maintaining ML models for classification, anomaly detection, or fraud prevention at large scale
Experience leading high-impact ML projects and setting technical direction at an organizational level
Deep skills in data modeling, feature engineering, ML architecture, and evaluation
Proven ability to mentor engineers, lead technical discussions, and drive adoption of ML best practices across teams
Fluency in Python and major ML/data science libraries
Experience collaborating with stakeholders outside engineering to clarify goals and drive alignment
Preferred
Experience with account security and authentication, or detection of spam/abuse/growth risk
Familiarity with GoLang, Rust, C#, or Lua
Background in Datascience
Benefits
Equity compensation
Benefits as described on this page
Company
Roblox
Roblox is an online gaming and entertainment platform that offers a shared digital experience that brings people together through play.
Founded in 2004
1001-5000 employees
H1B Sponsorship
Roblox has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (240)
2024 (111)
2023 (139)
2022 (153)
2021 (91)
2020 (92)
Funding
Current Stage
Public CompanyTotal Funding
$874.45MKey Investors
Andreessen HorowitzAltos Ventures
2024-10-01Post Ipo Equity
2022-04-12Series Unknown· $17.71M
2021-08-11Series Unknown
Leadership Team
David Baszucki
Founder and CEO
Michael Guthrie
CFO
Recent News
2026-01-08
2026-01-08
2026-01-08
Company data provided by crunchbase