Job Description

Summary:
We are seeking a skilled Data Warehouse Tester to join our dynamic IT team within a leading European insurance group. This role is critical in ensuring the integrity, performance, and reliability of data warehouse systems that power mission-critical business operations across 26 countries. The ideal candidate will play a key role in validating complex data pipelines, supporting digital transformation initiatives, and maintaining high standards of data quality across cloud-based platforms. With a focus on cutting-edge technologies such as Azure, Databricks, IBM DataStage, and Oracle Warehouse, this position offers a unique opportunity to contribute to scalable, future-ready IT solutions that support millions of customers globally.

Responsibilities:
  • Design and execute comprehensive test plans for data warehouse systems and ETL processes.
  • Perform detailed data validation and quality checks across source, staging, and target systems.
  • Utilize advanced SQL skills to analyze and verify data accuracy, consistency, and completeness.
  • Test RESTful APIs and integrations within the data ecosystem to ensure seamless data flow.
  • Collaborate with data engineers, developers, and business analysts to identify and resolve data issues.
  • Leverage expertise in IBM DataStage, Oracle Warehouse, Azure, and Databricks to validate complex data pipelines.
  • Document test cases, defects, and results with precision and maintain traceability across releases.
  • Support continuous integration and delivery (CI/CD) practices in a DevOps environment.

Requirements

Requirements:
  • 4 to 7 years of hands-on experience in data warehouse testing and ETL validation.
  • Strong proficiency in SQL for data querying, analysis, and validation.
  • Advanced knowledge of IBM DataStage for designing and testing data integration workflows.
  • In-depth understanding of Oracle Warehouse technology and its testing requirements.
  • Experience with cloud-based data platforms, including Azure and Databricks.
  • Proven ability to test REST services and API integrations within data ecosystems.
  • Familiarity with Agile and DevOps methodologies, including CI/CD pipelines.
  • Strong analytical mindset, attention to detail, and excellent problem-solving skills.
  • Ability to work effectively in a collaborative, fast-paced, and global environment.

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