Senior Software Engineer, Wikidata Platform

📋 Description

• Design, build, and maintain backend systems and APIs for Wikidata query infrastructure
• Improve reliability, observability, and automation of Wikidata Query Service and pipelines
• Integrate Wikidata Platform services with other Wikimedia systems and data sources
• Collaborate with SRE, data engineers, and product teams for stability and scalability
• Monitor production systems, respond to incidents, and resolve bottlenecks
• Support platform migrations and upgrades (triple stores, streaming ingestion)

🎯 Requirements

• 5+ years of experience as a backend or platform engineer 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
• Experience building and operating production-grade services with SLOs and non-functional requirements
• Familiarity with modern observability tools (metrics, logging, tracing)
• Experience in data processing systems such as graph databases, search indexes, or data pipelines

🎁 Benefits

• Remote-first organization with global teams
• Overlapping hours with UTC+1 to UTC-5
• Mission-driven engineering culture
• Access to benefits information via the U.S. Benefits & Perks page