WHO WE ARE Hi, we’re DuckDuckGo, the online protection company and remote-first team of 300+ on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014, annual revenue now exceeds $100m USD and millions use our browser on on Mac Windows iOS and Android our search engine and the DuckDuckGo subscription We also offer private, useful, and optional AI, including Duck.ai which lets you chat privately with ChatGPT, Claude, and other AIs, all in one place. Our culture of trust, inclusivity, and empowered project management underpins everything we do, where each team member takes full ownership of their projects, from scoping and execution to postmortem. Working on the Data Science Functional Team, you’ll drive product and business impact through statistical modeling, experiment design, Bayesian marketing analysis, and classifier implementation across our search engine, instant answers, AI, and revenue optimization, and work on related projects. Recent projects include:
– ai translating full-funnel data into actionable decisions




– Expanding evaluation datasets for page context understanding across complex scenarios like multi-tab browsing and content reattachment
– Our data meets rigorous privacy standards and is necessarily sparse, so you’ll need to think creatively to surface actionable insights in an evidence-first culture where quantitative rigor is the baseline, not the exception.

You have 7+ years of experience in Data Science and a track record of leading high-complexity projects from scoping to production with minimal direction.
– Apply knowledge of LLMs including fine-tuning, LLM-as-judge, and AI-assisted development
– You write production-grade code in Python or a comparable high-level language.
– You have advanced SQL and query optimization skills, familiarity with columnar databases like BigQuery, Clickhouse, Redshift, or Druid; experience with a BI tool like Tableau or PowerBI is a plus.
– You can design, implement, and analy

📌 Data Science Manager (España)
🏢 DuckDuckGo
📍 España