Senior Software Engineer - Wikidata Platform
New
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Wikimedia FoundationNon-profit, Open Source
USA, Europe, Brazil, Canada, Colombia, France, Germany, Ghana, India, Indonesia, Italy, Kenya, Mexico, Morocco, Netherlands, Poland, Singapore, South Africa, Spain, Switzerland, and the United Kingdom., Must overlap with UTC+1 to UTC-5, with 14:00 UTC to 17:00 UTC as team overlapping hours.Full-TimeSenior
Salary116,633 - 181,243 USD per year
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Job Details
- Experience
- 5+ years
- Required Skills
- JavaC++CI/CDDistributed Systems
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
- Commitment to learning, resilience, and contributing to a mission-driven engineering culture
Responsibilities
- 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
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