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Link Group is a Polish technology services company founded in Warsaw in 2016 that builds and supplies engineering teams to clients across Europe. Its model combines body leasing and managed teams with delivery of complete software, cloud and cybersecurity projects, drawing on a large bench of contractors rather than a fixed permanent staff. The company works heavily in financial services, telecommunications and public sector projects, and has built a specialisation in blockchain and distributed ledger engineering alongside more conventional cloud and application development work.

QA Lead - ETL Testing

We are looking for an experienced QA Lead with strong expertise in ETL/Data Testing to lead end-to-end QA activities across data integration, data warehouse and analytics platforms.

Key responsibilities:

  • Define and manage test strategies, plans and release governance
  • Lead ETL/ELT, Functional, Integration, Regression, UAT and Performance Testing
  • Ensure data validation, reconciliation, quality and source-to-target mapping
  • Manage QA resources, defect resolution and stakeholder communication
  • Drive test automation and quality improvements

Requirements:

  • 10+ years of Software Testing, including 5+ years in QA Leadership
  • Strong ETL/Data Testing and SQL skills
  • Experience with Azure Data Factory, Databricks, Delta Lake, Spark/PySpark
  • Knowledge of Python/PyTest, REST API and CI/CD
  • Experience in Agile environments and leading distributed teams
  • Experience with financial/regulatory data and AI/LLM testing is a plus
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