Director of Algorithms, Ads Engineering

What you'll do

• Define strategic vision and technical roadmap for algorithms across all phases of ad delivery.
• Champion algorithm engineering excellence end-to-end, partnering with infrastructure teams to translate models into reliable capabilities.
• Drive clear execution plans balancing research innovation with operational excellence and production reliability.
• Partner with Ads Product leaders to co-drive marketplace strategy and optimize advertiser outcomes and user relevance.
• Mentor management team and provide guidance to senior technical individual contributors.
• Define success metrics and evaluation strategies for algorithmic decisions, working closely with Data Insights teams.

What we're looking for

• 15+ years of professional experience in ML, Applied Science, or Software Engineering with focus on performance advertising.
• 10+ years of leadership experience managing managers and senior individual contributors.
• Deep expertise in signals processing, candidate matching, predictive modeling, and ranking systems.
• Experience with modern techniques like embeddings, transformer architectures, distillation methods, and reinforcement learning.
• Extensive algorithm engineering skills for building, deploying, and scaling high-throughput ML systems in production.
• Exceptional communication and diplomatic skills to build consensus across complex cross-functional teams.