Senior Machine Learning Engineer - PhD Early Career

Overview

Senior Machine Learning Engineer role for PhD candidates or graduates at Roblox, owning high-impact research-to-production projects end-to-end at world scale.

What you'll do

• Prototype and implement advanced AI and machine learning solutions that drive core platform features and innovation at scale.
• Develop and deploy cutting-edge models (e.g., deep learning, generative AI, multimodal architectures) to solve complex, high-impact technical challenges.
• Collaborate with applied researchers, engineers, and product teams to translate advanced research concepts into production-ready systems.
• Translate complex research into scalable, robust infrastructure that directly impacts hundreds of millions of daily active users.
• Work backward from user and product needs to architecture, and deliver ML solutions that improve platform engagement, safety, and content ecosystem growth.

What you'll need

• Possess or pursuing a PhD in computer science, engineering, or a related field, with a thesis aligned to Roblox's research areas.
• Deep expertise and curiosity in a relevant technical domain, such as deep learning, computer vision, NLP, reinforcement learning, or distributed systems.
• Proficiency in one or more programming languages (e.g., Python, C++, Go, Java) and experience building and optimizing large-scale systems.
• A strong research track record, evidenced by multiple publications and presentations in rigorous peer-reviewed venues.

Details

• Location: San Mateo, CA, United States (headquarters).
• Office schedule: onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).
• Annual base salary range: $196,750 – $243,290 USD; actual pay depends on job-related factors and may fall outside this range. Full-time employees are also eligible for equity compensation and benefits.
• For US based roles only: the Company may not be able to employ candidates who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.