Senior ML Engineer (PhD) — Production AI at Scale

roblox; San Mateo (CA); On-site; USD 197,000 - 243,000; Full time

Benefits offered by this job

Equity compensation

Benefits as described

Job summary

Roblox in San Mateo, CA, is seeking a Senior Machine Learning Engineer (PhD preferred) to take AI/ML work from ideation to production deployment. You will translate research into scalable infrastructure that supports platform engagement, safety, and content ecosystem growth.

You will prototype advanced models, including deep learning, generative AI, and multimodal architectures, and partner with researchers and engineers to ship production-ready systems for millions of daily users.

Qualifications

• PhD in computer science, engineering, or related field and publications
• Experience with large-scale systems and production ML
• Strong research track record with publications

Responsibilities

• Prototype and implement advanced AI/ML solutions that enable core platform features and drive innovation at scale.
• Develop and deploy cutting-edge models, including deep learning, generative AI, and multimodal architectures, to address complex, high-impact problems.
• Partner with applied researchers, engineers, and product teams to convert advanced research ideas into production-ready systems.
• Translate research into scalable, robust infrastructure that delivers measurable impact across a large user base.
• Start from user and product needs, then work backward to architect ML solutions that improve engagement, safety, and content ecosystem growth.

Skills

PhD in CS/Engineering

Deep learning

Computer vision

NLP

Reinforcement learning

Distributed systems

Python

C++

Go

Java

Education

PhD in computer science or engineering

Tools

Python

C++

Go

Java

Job description

Roblox in San Mateo, CA, is seeking a Senior Machine Learning Engineer (PhD preferred) to take AI/ML work from ideation to production deployment. You will translate research into scalable infrastructure that supports platform engagement, safety, and content ecosystem growth.

You will prototype advanced models, including deep learning, generative AI, and multimodal architectures, and partner with researchers and engineers to ship production-ready systems for millions of daily users.