Data QA Engineer

We are seeking a highly analytical and detail-oriented Data QA Engineer to ensure the quality, accuracy, and reliability of data platforms, pipelines, and reporting systems. The ideal candidate has strong SQL expertise, a solid understanding of data engineering concepts, and the ability to independently investigate data issues, validate complex data flows, and support data quality initiatives across the organization.

Location: Ukraine

Responsibilities

• Validate data accuracy, completeness, and consistency across multiple systems and environments.
• Perform data quality testing for ETL/ELT pipelines, data warehouses, and reporting solutions.
• Design and execute test plans, test cases, and validation strategies for data-centric applications.
• Write complex SQL queries for data validation, reconciliation, and root cause analysis.
• Analyze and troubleshoot data discrepancies across source and target systems.
• Review, understand, and debug Python-based data pipeline code when necessary.
• Collaborate with data engineers, software engineers, analysts, and business stakeholders to ensure data integrity.
• Utilize AI-powered tools to improve testing efficiency, investigation, analysis, and productivity.
• Work independently and take ownership of data quality initiatives throughout the project lifecycle.

Requirements

• Strong knowledge of relational databases and database concepts.
• Advanced SQL skills with the ability to write complex queries for data validation, reconciliation, root cause analysis, and data quality investigations.
• Experience working with large datasets and optimizing data validation processes.
• Solid understanding of data engineering principles and best practices.
• Experience validating data pipelines and data processing workflows.
• Understanding of ETL/ELT architectures and data movement processes.
• Knowledge of data warehouse concepts and dimensional modeling.
• Familiarity with OLAP technologies and modern cloud data platforms such as Redshift, Snowflake, BigQuery, or equivalent.
• Strong proficiency in Python.
• Ability to read, understand, analyze, and debug data pipeline code.
• Experience using Python for data validation, testing, or data analysis activities.
• Experience utilizing AI tools to improve testing, analysis, and productivity.
• Strong analytical thinking and problem-solving skills.
• Excellent attention to detail.
• Ability to work independently with minimal supervision.
• Strong communication and collaboration skills.

Benefits

• Competitive Compensation: Your salary is based on your qualifications, experience, and performance.
• Exceptional Stability: Enjoy job security and ample opportunities for career progression.
• Professional Development: Access educational programs and certifications to expand your expertise.
• Health & Wellness: Comprehensive support for fitness.
• Flexible Working Environment: Benefit from a fully remote work setup, flexible schedules, and relocation assistance if needed.
• Performance Recognition: Regular bonuses, annual salary reviews, and recognition for your achievements.
• Advanced Equipment Options: Choose the workstation setup that fits your needs, whether a desktop or a laptop.
• Team Building & Community: Participate in regular events that foster collaboration, camaraderie, and innovation.