Roblox

Senior Machine Learning Engineer, Safety Core Data

Roblox

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about 1 month ago
San Mateo, CA, USA
Senior
H1B Sponsor

Base Salary

$242k - $294k/yr

Responsibilities

  • Design, build, and own core components of Safety AI Systems.
  • Fine-tune open-weight multimodal LLMs and deploy them for synthetic dataset generation.
  • Build robust pipelines for curating and evaluating multimodal training data.
  • Develop benchmarks and evaluation frameworks for model behavior and data quality.
  • Architect systems for continuous learning and feedback from real-world failures.
  • Collaborate with engineers, product managers, and safety specialists to create scalable AI solutions.
  • Define best practices and technical standards for next-generation safety AI.

Requirements

  • 5+ years of experience in designing and deploying large-scale machine learning systems.
  • A graduate degree or equivalent experience in Computer Science, Engineering, or a related field.
  • Strong communication skills and a collaborative approach to problem solving.
  • Hands-on experience with fine-tuning VLMs, LLMs, or large multimodal models is a plus.
  • Experience with data quality, evaluation, synthetic data, or ML infrastructure in safety systems is a plus.

Categories

AI & MLData Science