Senior Data Scientist

Responsibilities

• Integrate fragmented data from internal data lakes, BigQuery, Matomo, and external intelligence tools like Ahrefs and Semrush
• Translate complex analytics and trends into actionable narratives for leadership
• Develop automated systems to detect content gaps and under-indexed topics
• Establish metrics to track content utilization within Large Language Models and generative search engines
• Collaborate with product leaders to define measurable outcomes and instrumentation requirements
• Design and analyze experiments, such as A/B testing, to assess initiative efficacy
• Interpret website performance data to inform UX/UI enhancements and conversion strategies

Requirements

• Proficiency in Python and Jupyter for statistical modeling and visualization
• Proficiency in SQL and experience with large-scale data tools like Hive, Presto, Druid, or Spark
• Experience building dashboards using tools such as Superset or Quarto
• Strong understanding of website structure, user journeys, and SEO/GEO
• Bachelor's degree with 5+ years of experience or Master's degree with 3+ years of experience
• Statistical expertise to design experiments and identify significant phenomena

Preferred Qualifications

• Familiarity with Wikimedia projects, moderation processes, and communities

About the Company

The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and other free knowledge projects. Our vision is a world in which every single human can freely share in the sum of all knowledge.