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# Senior Software Engineer, Wikidata Platform

- **Company:** The Wikimedia Foundation, Inc
- **Location:** New York, NY, United States (Remote available)
- **Experience:** Expert
- **Salary:** $116,633.0 - $181,243.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), C++ (Programming Language), Code Review, Databases, Continuous Integration, Distributed Systems, Graph Database, Open Source Technology, SPARQL, Data Streaming, Data Logging, Data Processing, Grafana, Backend, Containerization, Kubernetes, Apache Flink, Deployment Automation, Apache Kafka, Search Engines, Data Management, Wikimedia, Data Pipelines, Docker
- **Published:** July 17, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=fb285b22c3987b6f

## About the Role

* 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. Ability to set up, scale, and investigate systems is more important than expertise in a particular language.
 * Experience building and operating production-grade services with SLOs - good appreciation of scalability, performance, reliability and other non-functionals
 * 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 across technical and non-technical audiences
 * A commitment to learning, resilience, and contributing to a mission-driven engineering culture

Nice to Have

 * Experience working with knowledge graphs or RDF/SPARQL
 * Familiarity with streaming data systems (e.g., Kafka, Flink)
 * Comfort with CI/CD pipelines and containerization tools (e.g., Docker, Kubernetes)
 * Experience in open source or open knowledge communities
 * Familiarity with Wikimedia technologies, Wikidata, or MediaWiki

## Description

* 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 (e.g., triple stores, 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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