Head of Generative AI Systems & Platform

SportsTechJobs; San Mateo (CA); On-site; USD 526,000 - 574,000; Full time

Benefits offered by this job

Equity compensation

Onsite in San Mateo

Job summary

Roblox Build is our generative creation product, the platform where creators design, build, and publish 3D experiences. We are looking for a Senior Director of Generative AI to lead the Applied AI organization inside Build, responsible for turning state-of-the-art foundation models into high-quality, reliable creation systems at Roblox scale.

You will own model strategy and routing for Build. Design and build an intelligent model layer that selects the right model for each creation task based on

Qualifications

• 10+ years of experience in machine learning and AI.
• 5+ years in senior technical leadership roles overseeing applied AI or ML engineering.
• Proven track record shipping generative AI systems at scale.

Responsibilities

• Own model strategy and routing for Build.
• Lead model adaptation, fine-tuning, and data pipelines.
• Advance CodeGen capabilities and tool integration.
• Develop LayoutGen to turn creator intent into 3D scenes.
• Build evaluation science and infrastructure for production decisions.

Skills

Machine learning leadership

Applied AI engineering leadership

Model routing & adaptation

Code generation systems

Evaluation frameworks

Job description

Roblox Build is our generative creation product, the platform where creators design, build, and publish 3D experiences. We are looking for a Senior Director of Generative AI to lead the Applied AI organization inside Build, responsible for turning state-of-the-art foundation models into high-quality, reliable creation systems at Roblox scale.

You will own model strategy and routing for Build. Design and build an intelligent model layer that selects the right model for each creation task based on