Wikimedia Foundation - Senior Data Scientist, Safety & Security

• Experience with experimental design and statistics or machine learning methods. • Experience using AI coding assistants for data analysis and other technical tasks. • Fluency in R or Python, and common version control and command-line-based tools, for data analysis, statistical modeling, simulation, visualization, & reporting. • Fluency in SQL and working with large scale data (we use tools like Hive, Presto, Druid, and Spark). • Experience collaborating with product development teams in a fast-paced environment to test, analyze, and evaluate user-facing features for an online platform. • Qualities that are important to us: • Ability to explain data and insights clearly to non-specialist audiences and gain their understanding and confidence. • Curiosity and critical thinking skills; a lifelong learner who sees situations through multiple lenses. • Empathy towards and commitment to work with the Wikimedia volunteer communities. Discretion and competence in handling sensitive or confidential data. • Commitment to the mission of the organization and our values and guiding principles. • Self-motivated with an ability to navigate through ambiguity and complexity. The Wikimedia ecosystem is complex, resources are limited, and our guiding principles are ambitious. We want you to work to find solutions embracing these factors. • Prior experience working in areas related to trust & safety, information security and privacy, or fraud and anti-abuse. • Exposure to, and interest in, ethical data management and privacy practices. • Contributed to Wikimedia projects or have experience working in other open source projects. • Experience with Superset, Growthbook, or other open-source testing, data visualization, or reporting tools. • The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and the other Wikimedia free knowledge projects. Our vision is a world in which every single human can freely share in the sum of all knowledge. We believe that everyone has the potential to contribute something to our shared knowledge, and that everyone should be able to access that knowledge freely. We host Wikipedia and the Wikimedia projects, build software experiences for reading, contributing, and sharing Wikimedia content, support the volunteer communities and partners who make Wikimedia possible, and advocate for policies that enable Wikimedia and free knowledge to thrive. • The Wikimedia Foundation is a charitable, not-for-profit organization that relies on donations. We receive donations from millions of individuals around the world, with an average donation of about $15. We also receive donations through institutional grants and gifts. The Wikimedia Foundation is a United States 501(c)(3) tax-exempt organization with offices in San Francisco, California, USA. • News from across the Wikimedia movement • Wikimedia Blog • Wikimedia 2030