Senior Machine Learning Engineer, 3D Data (Generative AI)

Location: United States; roles based at the San Mateo, CA headquarters are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.

Salary: $212,490–$295,250 USD base pay annually

Company

Roblox builds a platform and tools for creating and experiencing 3D immersive digital environments.

What you will do

• Architect and maintain automated ingestion, cleaning, preprocessing, and orchestration pipelines for petabyte-scale 3D datasets.
• Research and implement synthetic data generation pipelines for foundation model development.
• Partner with ML engineers and data scientists to build data tooling, support research workflows, and resolve system issues.
• Build evaluation frameworks using heuristic metrics and human-in-the-loop interfaces for datasets and foundation models.
• Design high-throughput, low-latency inference APIs and optimize data loading and monitoring for efficient GPU utilization.
• Track advances in generative modeling through literature reviews and implement relevant optimizations.

Requirements

• 5+ years of experience as a research-focused data systems engineer, preferably with 3D generative models.
• Experience building scalable ML data pipelines for batch and real-time processing and handling datasets of petabyte scale or larger.
• Strong Python skills for automation, tooling, and infrastructure management.
• Experience with distributed systems, high-quality tested code, and complex data challenges at scale.
• Collaborative technical leadership experience, including mentoring and ownership of cross-team projects.
• Bachelor’s degree or equivalent experience in computer science, computer engineering, or a related technical field.

Nice to have

• Experience with experiment tracking platforms such as Weights & Biases or MLflow and versioning massive datasets.
• Experience building human-in-the-loop annotation tooling for 3D or video data.
• Strong C++ skills for data-loader optimization and core engine development.
• Experience with Roblox Studio, Blender, Unreal Engine, Unity, or other digital content creation tools.

Culture & Benefits

• Work on foundation AI systems supporting creative 3D and 4D content generation.
• Full-time employees are eligible for equity compensation and company benefits.
• Equal employment opportunities and reasonable recruiting accommodations are provided.