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Senior Machine Learning Developer, Advertiser Growth

Unity TechnologiesRemote, Ontario, Canada
Remote Full-time CA$152.9K/yr - CA$206.4K/yr

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Experience Level

Senior

Qualifications

Key ResponsibilitiesNext-Gen Budget Pacing: Design and optimize advanced pacing controllers (PID, probabilistic forecasting) to effectively manage advertiser spend across varying time zones and traffic fluctuations, ensuring optimal delivery and stability within the marketplace. Creative GenAI Infrastructure: Spearhead the backend integration of Generative AI models (Diffusion, LLMs) to automate the creation of high-performing image and video assets tailored to specific campaign objectives and formats. Marketplace Experimentation Engine: Construct and scale the infrastructure for rapid experimentation, including A/B testing, switchback tests, and long-term holdouts to assess the impact of marketplace modifications on advertiser ROI and platform health. High-Scale Billing Reliability: Design and maintain high-throughput billing pipelines that accurately process billions of events, ensuring a seamless bridge between real-time ad delivery and critical financial reconciliation. Scientific Optimization: Analyze intricate financial and marketplace datasets to enhance the balance between spend velocity and advertiser performance, leveraging experimentation results to refine pacing and billing logic.

About the job

Unity Technologies is shaping an ad-tech ecosystem that links billions of users with creators and their experiences. The Advertiser Growth team leads this work, delivering intelligent tools, dependable infrastructure, and a platform that encourages experimentation as the marketplace grows.

Key responsibilities

  • Design and build GenAI systems to create high-impact creative assets for advertisers
  • Develop pacing algorithms that manage and optimize advertising budgets worth millions
  • Maintain and improve billing pipelines to ensure accuracy and efficiency at large scale
  • Create experimentation infrastructure to advance marketplace science and support data-driven growth

Strategic focus for 2026

The team’s roadmap centers on three pillars: Foundation, Smart, and Intelligence. This position operates where financial execution, creative development, and marketplace science meet. Technical leadership in this role directly influences Unity’s financial accuracy and the long-term stability of the ad marketplace.

Location

This is a remote position based in Ontario, Canada.

About Unity Technologies

Unity Technologies is a leader in real-time 3D development, enabling creators to build amazing experiences across various platforms. By fostering a vibrant ad-tech ecosystem, we connect users with the content they love while providing advertisers with innovative tools to maximize their impact.

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