Roblox

Principal Model Optimization Engineer

Roblox
Apply
5 months ago
San Mateo, CA, USAStaff+

Base Salary

$295k - $345k/yr

Responsibilities

  • Optimize machine-learning models for GPU architectures across training and inference workflows.
  • Perform low-level performance profiling to identify bottlenecks in machine-learning pipelines and recommend improvements.
  • Develop best practices and tooling for model optimization and deployment.
  • Collaborate with data scientists and software engineers to integrate and deploy optimized models in production.
  • Build tooling, interfaces, and visualizations for internal ML users and partner organizations.

Requirements

  • At least 6 years of professional experience and system design experience building performant systems.
  • Significant experience debugging GPUs, including reading GPU profiles and debugging Xid errors.
  • Proficiency with CUDA, Triton, and TensorRT or comparable advanced tools and frameworks.
  • Experience with LLM model optimization techniques such as speculative decoding, continuous batching, and quantization.
  • Bachelor's degree in Computer Science, Computer Engineering, Data Science, or a similar technical field.
  • Ability and interest in developing generalized optimization tools and supporting internal data scientists and ML engineers.

Benefits

  • Annual base salary range of $295,250–$345,040 USD for roles based at the San Mateo headquarters.
  • Office-based roles are onsite Tuesday through Thursday, with optional presence Monday and Friday.
  • Full-time employees are eligible for equity compensation and benefits.
  • Reasonable accommodations are available during the recruiting process.
Roblox

About Roblox

5,001-10,000 employees

Roblox builds a platform for user‑generated 3D experiences, offering Roblox Studio for creators and a social marketplace where players explore and interact across devices. Its business model centers on virtual currency (Robux) and subscriptions, platform fees paid to creators, and an expanding advertising offering. Founded in 2004 and headquartered in San Mateo, California, Roblox Corporation is publicly traded on the NYSE under the ticker RBLX.

Contact me