Quality Engineer (Data)

Location: Kraków, Poland; hybrid working with a blend of home and office work.

Salary: 12,000–22,000 PLN gross per month on an employment contract.

Company

hirify.global is a large home improvement company operating brands including Castorama, B&Q, Screwfix, Brico Dépôt, and Koçtaş.

What you will do

• Design, develop, and maintain automated and manual tests for data accuracy, completeness, consistency, and reliability.
• Test data integrations, ETL/ELT processes, transformations, data platforms, pipelines, and products.
• Investigate quality issues, perform root cause analysis, and support corrective and preventative actions.
• Collaborate with Data Engineers, Data Designers, Product Owners, and other stakeholders to define quality requirements, risks, and testing approaches.
• Support shift-left testing, continuous testing, test automation, CI/CD integration, and quality engineering standards.
• Explore practical uses of AI for test automation, data validation, defect detection, and testing efficiency.

Requirements

• Practical experience in Quality Engineering, ideally in Data Engineering, Big Data, or data platform environments.
• Understanding of Quality Engineering principles, test automation, modern quality assurance, data quality, and software engineering practices.
• Good SQL skills for validating datasets, data transformations, and ETL/ELT pipelines.
• Hands-on Python experience and exposure to PySpark and Databricks.
• Experience developing and maintaining automated tests and contributing to test automation frameworks.
• Understanding of CI/CD practices and experience integrating automated testing into delivery pipelines.
• Strong analytical and problem-solving skills, including investigating quality issues and identifying root causes.
• Good communication and collaboration skills in cross-functional engineering and product teams.
• Proactive continuous-improvement mindset focused on reliable, high-quality data solutions.
• Excellent written and spoken English required.

Culture & Benefits

• Inclusive and flexible working environment with home-office and office options.
• Private medical healthcare at LUXMED, including dental care, for employees and families.
• Sports card, employer-financed life insurance, child insurance, pension-related benefits, and annual bonus opportunity.
• Training, buddy programme, language and accounting courses, LinkedIn Learning, and possible study and certification co-financing.
• Wellbeing programme, employee referral programme, office facilities, parking, and discounted public transport in Kraków.
• Eight-hour working day with a 30-minute lunch break included.