Manual ETL Tester

Testing

Manual ETL Tester

Testing
-, Warszawa

Link Group

Full-time
B2B
Mid
Remote
30 - 39 USD
Net per hour - B2B

Job description

We are looking for a skilled Manual Tester to join our team and ensure the integrity and performance of data pipelines. This role involves validating ETL processes, identifying issues, and collaborating with cross-functional teams to maintain high data quality standards.


Key Responsibilities:

  • Develop and execute ETL test plans and test cases to verify data accuracy and transformations.
  • Perform data validation, integration, and end-to-end testing in Snowflake and/or Matillion environments.
  • Identify, analyze, and report bugs, performance issues, and data inconsistencies.
  • Work closely with data engineers, analysts, and business teams to optimize data quality.
  • Use SQL and automation tools to enhance testing efficiency.
  • Ensure adherence to data governance, security, and quality standards.


Requirements – Must Have:

✔ Experience in the insurance industry.

✔ 3+ years of ETL testing experience focused on data warehousing.

✔ Strong SQL skills for writing complex queries and data validation.

✔ Understanding of data governance and compliance requirements.

✔ Excellent communication skills to collaborate with diverse teams.


Requirements – Nice to Have:

🔹 Expertise in Snowflake.

🔹 Experience with automation testing for ETL processes.

🔹 Familiarity with version control systems like Git.


Key Skills:

✅ SQL

✅ ETL tools (e.g., Informatica, Talend, SSIS)

✅ Data warehousing & modeling

✅ Test automation

✅ Data analysis

✅ Problem-solving & attention to detail


If you're detail-oriented and passionate about ensuring high-quality data pipelines, we'd love to hear from you! 🚀

Tech stack

    Testing

    regular

    SQL

    regular

    ETL

    regular

    Test Cases

    regular

    Snowflake

    nice to have

Office location

Published: 03.06.2025