Roblox
Senior Director of Engineering, Generative AI
$526K–$574K
San Mateo, CA, United States · Director · Full-time · Posted Aug 18, 2026
- Experience
- 10+ years in machine learning and AI; 5+ years in senior technical leadership roles.
- Visa sponsorship
- For US-based roles, the company may not be able to employ candidates whose work authorization relates to certain U.S. visa categories, or support future H-1B sponsorship at this time.
About the job
Leads Roblox Build’s Applied AI organization, turning foundation models into reliable generative systems for 3D experience creation at scale.
What you'll do
- Own model strategy and routing, including model adaptation and fine-tuning.
- Lead CodeGen and LayoutGen capabilities for creator-directed code and 3D scene generation.
- Build evaluation systems and feedback loops that guide model development and production releases.
What they ask for
- 10+ years of experience in machine learning and AI, including 5+ years in senior technical leadership overseeing applied AI or ML engineering organizations that shipped generative AI systems into production at scale.
- Deep technical grounding in multiple applied AI areas, such as LLM post-training, model routing and adaptation, agentic systems, code generation, or evaluation science.
- Experience leading organizations spanning AI research scientists and production engineers.
- Track record building evaluation frameworks and benchmarks that predict production outcomes.
Pay
$525,510–$573,690 USD annual base salary
Tools
LLM, RLHF, DPO, Luau
AI focus
Applied generative AI for creator tools: model routing and adaptation, code generation, 3D layout generation, evaluation, and production feedback loops.
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