Principal Machine Learning Engineer, Content Safety

Roblox
San Mateo
Workplace: OnsiteFull timeUSD 295,250 - 345,040 annuallyFunction: Data Science & Machine LearningExperience: 8+ yearsSkills: ["Strategic planning","Executive communication","Leadership","Building consensus","Ethical AI"]

Define the multi-year technical vision and architectural blueprint for ML-driven proactive moderation for content safety. Own the execution roadmap for massive-scale ML systems that mitigate violative UGC before it impacts Roblox’s community. Lead adoption of advanced ML techniques (e.g., transfer learning, self-supervised learning, quantization, LoRA, distillation) and build end-to-end solutions, including dataset construction, auto-labeling pipelines, and production integration.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Roblox
Roblox
1 month ago

Principal Machine Learning Engineer, Content Safety

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Live
Reposted: similar role first listed 6 months ago

Job Summary

Define the multi-year technical vision and architectural blueprint for ML-driven proactive moderation for content safety. Own the execution roadmap for massive-scale ML systems that mitigate violative UGC before it impacts Roblox’s community. Lead adoption of advanced ML techniques (e.g., transfer learning, self-supervised learning, quantization, LoRA, distillation) and build end-to-end solutions, including dataset construction, auto-labeling pipelines, and production integration.
Location: San Mateo
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Define and lead a multi-year technical vision, architectural strategy, and execution for content safety ML solutions at massive scale.
  • •Collaborate with executive-level Product, Data Science, Policy, and Operations leaders to define and prioritize the ML roadmap and influence product strategy.
  • •Oversee adoption and safe deployment of innovative machine learning techniques such as transfer-learning, self-supervised learning, quantization, LoRA, and distillation.
  • •Build end-to-end product solutions: construct datasets from scratch, build auto-labeling pipelines, and solve novel technical problems.
  • •Integrate work into the production stack, spending roughly 30–40% of time on backend and integration work using AI coding tools.

Pay and Benefits

Salary: USD 295,250 - 345,040 annually
Equity and Bonus:Equity

Key Requirements

  • •8+ years designing, developing, and operating large-scale machine learning systems in production.
  • •Proven ability to set long-term technical direction for an entire ML domain and scale impact from ambiguous problems.
  • •Deep expertise in advanced ML architectures and techniques, including Computer Vision (CV) and/or Vision-Language Models (VLMs).
  • •Expertise architecting scalable, real-time ML inference services and robust data pipelines.
  • •Demonstrated success leading and resolving high-stakes, cross-functional technical disagreements and building consensus.
Experience:8+ years
Skills:Strategic planningExecutive communicationLeadershipBuilding consensusEthical AI
Languages:English
Tech Stack:CursorTransfer-learningSelf-supervised learningQuantizationLoRADistillationComputer VisionVision-Language ModelsML inference servicesData pipelinesAuto-labeling

Company Brief

Roblox
Operates an online platform for user-generated games and virtual experiences, enabling creators to build, publish, and monetize interactive 3D experiences for a global community of players.
Industry: Gaming
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Mateo, United States
Founded: 2004
WebsiteLinkedIn