🛠 Tech Stack

💼 About This Role

You'll design and ship user behavior models for ad ranking and bidding across billions of daily impressions at Unity's Vector AI team. Your models will directly influence ad ranking and conversion outcomes. This role combines applied ML research with production engineering.

🎯 What You'll Do

• Design and ship user behavior models for ad ranking and bidding.
• Own model quality from deployment onward, including calibration and drift detection.
• Contribute to long-term technical strategy and oversee engineering execution.
• Communicate ML results clearly with non-technical partners.

📋 Requirements

• Master or Ph.D. in Computer Science, ML, or related field.
• 2+ years hands-on experience with ML systems at scale in ads/search/recommendations.
• Deep familiarity with CVR/CTR prediction, auction theory, or user modeling.
• Production experience in Python and at least one systems language (Go, Scala, C++).

✨ Nice to Have

• Experience with real-time bidding systems or marketplace optimization.
• Publications or patents in relevant areas.

🎁 Benefits & Perks

• ❤️ Comprehensive health, life, and disability insurance
• 🚗 Commute subsidy
• 📈 Employee stock ownership
• 🏖️ Generous vacation and personal days
• 🧠 Mental Health and Wellbeing programs

📨 Hiring Process

Estimated timeline: 2-4 weeks · AI estimate

1. 1Recruiter Call· 30 min
2. 2Technical Interview· 60 min
3. 3Onsite Interviews· 4 hours