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Senior UX Model Designer, YouTube Ads and AViD

Google · New York, NY or San Francisco, CA

Full-time$159,000 – $230,000 + 15% bonus target + equityPosted Nov 2, 2026

Bridges UX content design and model design on the YouTube Ads and AViD viewer experiences team. Defines how AI engines behave by writing system instructions and setting evaluation guidelines, and shapes user-facing ad experiences across YouTube and the web. Works with Gemini-powered systems alongside research, PM and engineering.

What we're looking for

  • Bachelor's or equivalent; 6 years in UX writing, content design, technical writing, editorial or marketing; experience with Model UX, conversational or AI design, or writing system prompts for LLM apps; portfolio required; preferred: responsible AI, prompt evaluation tooling, evaluation rubrics