Data Engineer (Python + SQL)

Senior Data Engineer Wikipedia and its sister projects reach billions of users monthly across 300+ languages and are powered by 200,000+ volunteer contributors. The Wikimedia Foundation's Data Platform team enables this global knowledge ecosystem through robust data capabilities that serve both our internal teams and the public through products like Wikistats , Wikimedia Analytics APIs and Data Snapshots . Our vision is a world in which every single human being can freely share in the sum of all human knowledge– including access to data for research, feature development, and advancing artificial intelligence responsibly .
As a Senior Data Engineer for our Data Platform, you will shape the future of how Wikimedia’s vast data ecosystem serves both our internal teams and the global community. You will help drive the Data Platform Engineering team’ s effort to unify data systems across the Wikimedia Foundation to deliver scalable solutions that support internal and external platform users and the open knowledge movement.

5+ years of data engineering experience , with a significant portion focused on on-premise systems (e.g., average of 2+ years, ideally including longer engagements).
~ Advanced proficiency in Python and Java/Scala , with deep knowledge of one language and its ecosystem.
Advanced working knowledge of SQL and experience with various database/query dialects (e.g., MariaDB, HiveQL, CassandraQL, Spark SQL, Presto).

Expertise in AI development tooling and AI applications in data engineering and analytics.

Supporting Data Governance and Lineage: Assist in designing and implementing solutions to track and manage data across pipelines.
You’ll join a geographically distributed team and report to the Engineering Manager, Data Platform Engineering. We operate lean teams with significant maintenance scope and ambitious goals to scale the Wikimedia Foundation’s data capabilities. The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and the other Wikimedia free knowledge projects. 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.
We do not discriminate against any person based upon their race, traits historically associated with race, religion, color, national origin, sex, pregnancy or related medical conditions, parental status, sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, or any other legally protected characteristics.
The Wikimedia Foundation is a remote-first organization with staff members including contractors based 40+ countries * . Our non-US employees are hired through a local third party Employer of Record (EOR).