Senior Machine Learning Engineer - Ads

Senior ML Engineer at Nextdoor contributing to ML-driven features across ads, newsfeed, and platform personalization. Responsibilities include collecting datasets and building real-time ML models, deploying models into production, and running live experiments to measure impact on business metrics. Collaborate with Product and Data Science teams, build foundational ML patterns for scalable tooling, participate in in-person events, and help shape a privacy-conscious, ethical AI approach within an AI-first, hybrid work environment. The role requires strong engineering skills, experience with large datasets, and a track record of delivering models for advertising products in a startup-like setting. Location flexibility exists within the SF/LA/Chicago/Dallas/New York offices and London, with a hybrid work arrangement.