Imagine a world in which every single human being can freely share in the sum of all knowledge.
Senior Software Engineer – Wikidata Platform
Location
California + 30 moreAll locations: California | Colorado | Connecticut | District Of Columbia | Florida | Idaho | Illinois | Iowa | New Jersey | New Mexico | New York | North Carolina | Ohio | Oklahoma | Oregon | Maryland | Massachusetts | Michigan | Minnesota | Missouri | Pennsylvania | Rhode Island | Tennessee | Texas | Utah | Vermont | Virginia | Washington | West Virginia | Wisconsin | Wyoming
Posted
2 days ago
Salary
$116.6K - $181.2K / year
Seniority
Senior
Job Description
Senior Software Engineer – Wikidata Platform
Wikimedia Foundation
• 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 • Monitor production systems, respond to operational incidents, and proactively identify and resolve bottlenecks • Support platform migrations and system upgrades • Contribute to deployment automation, CI/CD workflows, and service instrumentation • Participate in code reviews, design discussions, and technical planning • Document systems and share knowledge with team members and Wikimedia’s broader technical community
Job Requirements
- 5+ years of experience as a backend or platform engineer working on distributed systems or data platforms
- Deep understanding of database and/or knowledge graph representation technologies and standards
- Proficiency in Java, C++, or other systems languages
- Experience building and operating production-grade services with SLOs
- Familiarity with modern observability tools (metrics, logging, tracing)
- Experience in data processing systems such as graph databases, search indexes, or data processing pipelines
- Ability to work collaboratively across disciplines and communicate clearly
- A commitment to learning, resilience, and contributing to a mission-driven engineering culture.
Benefits
- Salaries at the Wikimedia Foundation are set in a way that is competitive, equitable, and consistent with our values and culture.
- The Wikimedia Foundation is a charitable, not-for-profit organization that relies on donations.
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