Senior Software Engineer, Wikidata Platform
New
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Wikimedia FoundationNonprofit Technology
US States: Arizona, California, Colorado, Connecticut, District of Columbia*, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico*, Rhode Island, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin and Wyoming (*US Territory or Federal District). Countries: Brazil, Canada, Colombia, France, Germany, Ghana, India, Indonesia, Italy, Kenya*, Mexico, Morocco, Netherlands, Poland, Singapore*, South Africa, Spain, Switzerland and the United Kingdom., UTC+1 to UTC-5, with 14:00 UTC to 17:00 UTC as mandatory 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
- Appreciation of scalability, performance, reliability and other non-functionals
- Familiarity with modern observability tools including metrics, logging, and 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 such as triple stores and streaming ingestion
- 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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