Senior Software Engineer
About this role
About the Role The Wikimedia Foundation is seeking a Senior Software Engineer to join the Wikidata Platform team, helping scale and sustain the Wikidata Query Service (WDQS) and related platform services. You’ll work on backend systems and data pipelines, ensuring performance, reliability, and maintainability at scale. This is a fully remote role with overlapping hours across UTC+1 to UTC-5 (14:00–17:00 UTC). What You'll Do
- Design, build, and maintain backend systems and APIs that power Wikidata’s query infrastructure
- Improve reliability, observability, and automation of the Wikidata Query Service and data pipelines
- Integrate Wikidata Platform services with other systems and data sources across Wikimedia
- Collaborate with SRE, data engineers, and product teams to ensure stability and scalability under growing usage
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