Director, Data Science

Role overview Lead a data science function whose work informs product decisions and business outcomes across search, AI, and revenue-focused experiences. You will coach experienced data scientists, guide multiple projects from planning through delivery, and help teams make rigorous decisions using evidence while working within strong privacy constraints.

Responsibilities - Develop data scientists through clear expectations, hands-on mentorship, direct feedback, and help removing blockers. - Guide several projects involving statistical modeling, experiment design, and classifier development, keeping delivery timely and focused on impact. - Advise cross-functional teams on experiments and use data to assess product direction and organizational plans. - Build deep understanding of core measures such as searches, installs, and revenue, and improve the data pipeline. - Find ways to produce useful insights from sparse or privacy-constrained data. - Set and adapt multi-team roadmaps as priorities change, explaining technical tradeoffs and risks to senior and cross-functional partners.

Requirements - 10 or more years in data science or machine learning engineering, including at least four years leading teams. - A record of setting roadmaps across teams and guiding work through shifting priorities. - Expert ability to deploy and iterate on machine learning and NLP systems in production, including in settings with tight privacy requirements and fast response needs. - Strong production coding skills in Python or a comparable high-level language, with willingness to stay close to technical work. - Advanced SQL and query optimization skills; familiarity with columnar databases such as BigQuery, ClickHouse, Redshift, or Druid. - Strong experience with LLMs and AI, including fine-tuning, LLM-based evaluation, and designing and analyzing product experiments.

Nice to have - Experience in consumer technology where data or analytics plays a central role in product strategy.

Benefits and work setup - Compensation is set by region and paid in local currency, with stock options. Listed annual base pay: US $263,300; UK £183,850; Canada C$346,250; Europe and other regions €214,950. The listing describes planned transitions to the euro scale for Spain in 2027 and other Europe and rest-of-world locations in 2027. - Flexible scheduling without core hours, with an expected average of 40 hours per week. - Travel is expected at least twice yearly for an all-hands gathering and a team retreat, each around four to five days. Video meetings are held on camera.