Data Quality Specialist

7 dni temu


Warszawa, Polska Link Group Pełny etat

We are seeking an experienced Data Quality Specialist to join our team at Link Group, where you will play a crucial role in ensuring the accuracy, reliability, and performance of data pipelines. In this position, you will collaborate closely with data engineers, analysts, and business stakeholders to validate ETL processes, identify issues, and optimize data quality across enterprise systems.

Key Responsibilities:
  • Data Validation: Design, develop, and execute ETL test plans and test cases to ensure data accuracy and transformation integrity.
  • Integration Testing: Perform data validation, integration, and end-to-end testing within Snowflake and/or Matillion environments.
  • Bug Identification: Identify, analyze, and report bugs, performance issues, and data inconsistencies.
  • Collaboration: Work with data engineers, analysts, and stakeholders to maintain high-quality data pipelines.
  • Process Optimization: Utilize SQL and automation tools to streamline and optimize the testing process.
  • Compliance: Ensure compliance with data governance, security, and quality standards.
Requirements:

Must-Haves:

  • Experience in the insurance industry.
  • At least 3 years of experience in ETL testing with a focus on data warehousing.
  • Strong proficiency in SQL, including writing complex queries for data validation.
  • Understanding of data governance and compliance requirements.
  • Excellent communication skills and ability to work effectively with cross-functional teams.

Nice-to-Haves:

  • Expertise in Snowflake.
  • Experience with automation testing for ETL processes.
  • Familiarity with version control systems like Git.
Key Skills:

Technical Skills:

  • SQL
  • ETL tools (e.g., Informatica, Talend, SSIS)
  • Data warehousing & modeling
  • Test automation
  • Data analysis

Soft Skills:

  • Problem-solving & attention to detail


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