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Datavail

We help clients turn data into decisions no matter where it lives-in apps, on-prem, in a hybrid model, or in the cloud.

ETL Tester

QA EngineerQA EngineerFull TimeRemoteLeadTeam 1,001-5,000Since 2007H1B SponsorCompany SiteLinkedIn

Location

India

Posted

4 days ago

Salary

0

Seniority

Lead

Job Description

ETL Tester

Datavail

• Design and execute end-to-end data validation strategies for ETL/ELT pipelines. • Validate data accuracy, completeness, and integrity across cloud data warehouses. • Develop and optimize complex SQL queries for data validation and analysis. • Perform functional, regression, and integration testing for data workflows. • Collaborate with data engineers, analysts, and product teams to understand business rules and data transformations. • Build and maintain automated test frameworks for data validation. • Ensure adherence to data quality standards and governance policies. • Identify defects, track issues, and ensure timely resolution. • Mentor junior QA engineers and drive QA best practices.

Job Requirements

  • 8+ Years of experience in Data QA / ETL Testing (6+ years preferred).
  • Strong experience with modern cloud data warehouses, such as Snowflake, BigQuery, Redshift, Azure Synapse, Microsoft Fabric.
  • Excellent SQL skills (must-have): Complex joins, window functions, aggregations, query optimization and performance tuning.
  • Experience testing ETL/ELT pipelines (e.g., using Airflow, DBT, Informatica, etc.).
  • Strong understanding of Data warehousing concepts (Star/Snowflake schemas) and Data lakes and lakehouse architectures.
  • Experience with API and backend testing is a plus.
  • Familiarity with test automation tools or scripting (Python preferred).
  • Exposure to CI/CD pipelines and DevOps practices is desirable.

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