Staff Machine Learning Engineer, Ads Bidding & Pacing

Skills this job asks for

About the role

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here. Pinterest is one of the fastest growing online ad platforms, and our success depends on building a suite of bid strategies that help advertisers achieve their goals within the Pinterest marketplace. We support both automatic bidding (maximizes the number of clicks, conversions and GMV) as well as target average bidding (CPA or ROAS targets) for Pinterest ads. We’re looking for an ML engineer with experience in ads delivery, machine learning, bid landscapes, and automatic bidding / ads pacing to develop new data-driven techniques to drive ads delivery performance and maximum ROI for advertisers, growing Pinterest’s revenue stream. What you’ll do: Design target ROAS and automatic bidding & pacing algorithms for ads. Explore bid landscapes to maximize revenue and advertiser value. Work with product and sales teams to design and implement bidding strategies for new ad products. A/B Experiment with bidding algorithm improvement ideas. Collaborate with other teams to identify bidding and budgeting opportunities and capitalize on them. What we’re looking for: Bachelor's degree in Computer Science, Statistics, a related field, or equivalent experience. 6+ years of industry experience in ads delivery, automatic bidding / pacing, target ROAS bidding, ads marketplace / utility, or machine learning. Proven Staff-level technical leadership as an IC: driving technical direction and cross-team alignment without formal people management. Demonstrated ability to use AI to improve speed and quality of your workflow, with a strong track record of validating and stress-testing AI-assisted outputs. Degree in Computer Science, Statistics, or a related field. Direct experience specifically with bidding or pacing is a big plus. Bachelor's degree in computer science, statistics, engineering, or Experience with Cursor, Copilot, Codex, or similar AI coding as...

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