Senior Staff Machine Learning Engineer - Home

As a Senior Staff Machine Learning Engineer on the Home team, you will define and drive the ML technical strategy across retrieval, ranking, page composition, layout optimization, and real-time personalization. You will work at the intersection of recommender systems, generative models, and user intent understanding to deliver adaptive and engaging experiences. You will lead hands-on development of ML models and systems, prototyping new ideas and productionizing solutions at global scale. You will provide senior-level technical leadership across multiple teams, influencing architecture, modeling choices, and long-term investments. You will design, build, evaluate, ship, and iterate on large-scale ML systems powering Home for hundreds of millions of users. You will partner with product, design, and user research to translate UX goals into robust ML systems. You will drive best practices in experimentation, offline/online evaluation, model lifecycle management, and reliability. You will help evolve Home toward more contextual, generative, and intent-aware experiences, leveraging transformers, sequence models, and emerging techniques. You will collaborate with platform and foundation teams to reuse shared models and infrastructure while tailoring solutions to Home's unique needs. You will mentor senior engineers and influence technical standards through reviews and documentation. You will be a technical ambassador within the ML community, staying current with research and industry trends.