
Senior Software Engineer, Wikidata Platform
The Wikimedia Foundation seeks a Senior Software Engineer to design, build, and operate backend systems and APIs for the Wikidata Platform, including scaling and improving the Wikidata Query Service (WDQS), data pipelines, and related services. The role blends backend engineering and operations ownership, requires 5+ years of experience with distributed systems or data platforms, familiarity with database/knowledge-graph technologies, proficiency in systems languages (e.g., Java, C++), and experience with observability, CI/CD, and production-grade services.











