Senior ML Engineer — Real-Time Bidding & AI (Equity)

Unity; Mountain View (CA); On-site; USD 188,000 - 245,000; Full time

Benefits offered by this job

Equity awards

Annual bonus potential

Stock ownership plan

Generous vacation

Job summary

Unity is seeking a Senior Machine Learning Engineer to join its Vector Bidding Science team in Mountain View. You will define the technical vision and architect scalable real‑time bidding systems powered by AI and advanced optimization frameworks to maximize advertiser returns.

You’ll drive offline evaluations and online experiments, collaborating across product, infrastructure, and engineering to deliver measurable business impact in a fast-paced environment.

Qualifications

• Hands-on experience with state‑of‑the‑art machine learning, reinforcement learning, and control theory for complex bidding/pricing problems.
• Strong software engineering skills in Python with deep learning frameworks (preferably PyTorch).
• Solid understanding of metric design, online experimentation (A/B testing), and large-scale data analysis.

Responsibilities

• Design, implement, and optimize core bidding algorithms and auction mechanisms.
• Architect and scale bid landscape forecasting capabilities.
• Analyze large-scale marketplace dynamics to uncover insights and deliver algorithmic improvements.
• Drive offline evaluations and online A/B experiments to validate model performance and business impact.
• Collaborate cross‑functionally with product, infra, and engineering teams.

Skills

ML/RL theory

Python

PyTorch

A/B testing

Data analysis

Tools

Spark

Ray

BigQuery

Flink

Job description

Unity is seeking a Senior Machine Learning Engineer to join its Vector Bidding Science team in Mountain View. You will define the technical vision and architect scalable real‑time bidding systems powered by AI and advanced optimization frameworks to maximize advertiser returns.

You’ll drive offline evaluations and online experiments, collaborating across product, infrastructure, and engineering to deliver measurable business impact in a fast-paced environment.