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Roblox Logo

Senior Machine Learning Engineer, Ads

Roblox

$192,890 - $238,520
Oct 24, 2025
San Mateo, CA, US
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Roblox is seeking to develop deep learning-based models for performance advertising business to deliver effective performance ads to users and more business values to advertisers

Requirements

  • 3+ years of experience designing and building scalable machine learning solutions to solve real-world production use cases
  • Experienced with transformer based model training, inference, and product integration are a plus
  • BS in Computer Science or a related discipline, advanced degrees are a definite plus

Responsibilities

  • Drive the design and implementation of machine learning solutions for ad ranking algorithms
  • Design and implement large scale recommendation models
  • Author specs for new features and improvement
  • Collaborate with other teams within Roblox to make sure we are building products with a community first approach
  • Balance researching new technologies with a practical approach to accomplish the research efforts into the Roblox products
  • Communicate with the industry and communities where applicable and be ambassador for Roblox

Other

  • A BS in Computer Science or a related discipline, advanced degrees are a definite plus
  • While deeply technical, you always start with the needs of the user, whether they are Roblox users or internal engineers
  • You take a creative and strategic approach to solving hard problems
  • Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday
  • Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type