Virtusa logo

Data QA Specialist ( Remote from Poland)

Virtusa
1 hour ago
Full-time
Remote
Worldwide
Professional / Technical

This is a remote position.

We are seeking a detail-oriented and analytical Data QA Engineer to join our data engineering team. In this role, you will play a vital part in ensuring the accuracy, consistency, and reliability of our enterprise data platform. You will design, develop, and execute end-to-end test strategies for data pipelines, perform comprehensive data warehouse testing in Snowflake, and drive data reconciliation processes across disparate systems.

Requirements

  •  4+ years of dedicated experience in ETL testing, data pipeline validation, and Data Warehouse QA.
  •  Strong hands-on experience querying, testing, and navigating a Snowflake data warehouse environment.
  • Exceptional SQL skills, including expertise in complex joins, window functions, CTEs, subqueries, and set operations to compare large datasets efficiently.
  • Proven experience designing data reconciliation workflows, source-to-target validation scripts, and data auditing routines.
  •  Clear understanding of data architecture, dimensional modeling (Star Schema, Snowflake Schema), and data file formats (JSON, Parquet, CSV, XML).
  • Excellent problem-solving skills with high attention to detail when analyzing large, complex datasets.
  • Communicative English