Wikidata Platform Backend Migration Specialist (Contract Position)
Related skills
documentation migration rdf sparql wdqs📋 Description
- Support Wikidata Platform backend migration from Blazegraph to new backend.
- Identify Blazegraph-specific queries affected by migration.
- Rewrite affected queries for compatibility with the new backend.
- Document canonical rewrite patterns for Blazegraph constructs.
- Provide community support and guidance during migration.
- Collaborate with WMF/WMDE on tooling and analysis approaches.
🎯 Requirements
- Strong, hands-on experience with SPARQL 1.1
- Experience with large or complex RDF datasets
- Experience with data platform migrations or deprecating legacy APIs
- Ability to understand and refactor real-world queries
- Comfort with evolving requirements and partial information
- Strong written communication for technical docs
🎁 Benefits
- Familiarity with Wikidata, WDQS, or MediaWiki tooling
- Experience supporting developer or researcher communities
- Experience designing heuristics for query usage patterns
- Remote-first culture and distributed teamwork
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