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Data Engineer (Python + SQL / Sparql + Graph Data)

Hospitality Full Benefits Career Growth
Company

TestYantra Software Solutions

Location

helsinki, Finland

Posted

June 09, 2026

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About This Opportunity

Key Responsibilities

  • Design, develop, and optimize ETL and data pipelines for large-scale data processing
  • Write and optimize complex SQL queries including joins, subqueries, CTEs, window functions, and performance tuning
  • Perform data transformation, validation, cleansing, and data quality checks
  • Build and maintain scalable data ingestion pipelines using APIs, SFTP, Kafka, and related integration tools
  • Work with large distributed datasets and ensure efficient data processing
  • Design and implement graph data models including nodes, edges, and relationships
  • Work with RDF data structures and semantic data frameworks
  • Develop and optimize SPARQL queries for graph data retrieval and analysis
  • Build and maintain knowledge graphs and ontology-driven data systems
  • Automate data workflows and operational tasks using Python scripting
  • Monitor, troubleshoot, and optimize pipeline performance an...