Unity
Senior Machine Learning Engineer, Vector Bidding Science
$149K–$245K
Mountain View, CA, USA +1 · Senior · Full-time · Posted Sep 28, 2026
- Location
- Mountain View, CA, USA
Bellevue, WA, USA
About the job
Designs and scales real-time ad bidding systems and algorithms that optimize advertiser returns using machine learning and marketplace data.
What you'll do
- Design, implement, and optimize bidding algorithms and auction mechanisms; scale bid landscape forecasting.
- Analyze marketplace dynamics and improve algorithms using large-scale data.
- Run offline evaluations and online A/B experiments, and collaborate with product, infrastructure, and engineering teams.
What they ask for
- Hands-on experience applying machine learning, reinforcement learning, and control theory to real-world bidding or pricing problems.
- Strong software engineering skills in Python and experience with deep learning frameworks.
- Understanding of metric design, online experimentation (A/B testing), and large-scale data analysis.
- Ability to lead projects end-to-end and deliver measurable business impact.
Nice to have
- Experience with distributed computing frameworks such as Spark, Ray, BigQuery, or Flink, or large-scale datasets.
- Experience in real-time ad systems, DSP bidding, survival analysis, game-theoretic modeling, or AI development tools such as Claude Code, GitHub Copilot, and Cursor.
Pay
$148,700 - $244,600 USD (base salary)
Tools
Python, PyTorch, Spark, Ray, BigQuery, Flink, Claude Code, GitHub Copilot
AI focus
Develops machine-learning-powered real-time bidding and pacing algorithms; preferred experience includes using AI tools to accelerate development.
Model-written summary · the original posting is authoritative