Principal Software Engineer - Data

📋 Description

• Own the data platform end to end, including the semantic layer
• Set the architecture and write much of the code
• Raise the engineering bar, working directly with the Head of Engineering
• Own entity models, ontology and knowledge graph, through to APIs
• Own data foundations: enterprise ingestion, data contracts, schema evolution, orchestration
• Ensure correctness and reliability in a multi-tenant product, including recovery from hard incidents

🎯 Requirements

• Experience building and owning data platforms or semantic layers in production (knowledge graphs
• First-principles systems reasoning: durability, failure/recovery, and scalability
• Built something from zero at a startup and took it to production scale
• Ability to write production code and work fluently with AI coding tools
• Clear communication and presence to lead senior engineers without authority
• Nice to have: Property graphs or RDF/SPARQL; entity resolution or master data; Spark, Kafka, Flink