Lead Quality Engineer (Data)

Location: Kraków, Poland; hybrid work combining home and office work in Kraków

Salary: 23,000–30,000 PLN gross per month on an employment contract

Company

hirify.global is a home improvement company operating brands including Castorama, B&Q, Screwfix, Brico Dépôt, and Koçtaş, with more than 74,000 people.

What you will do

• Define and drive Quality Engineering strategy, standards, and best practices across data platforms, pipelines, and products.
• Lead automated and manual testing for data accuracy, completeness, consistency, reliability, integrations, ETL/ELT processes, and transformations.
• Investigate complex quality issues, perform root-cause analysis, and drive preventative actions and continuous improvement.
• Partner with Data Engineers, Data Designers, Product Owners, and stakeholders to define quality requirements, identify risks, and establish testing approaches.
• Drive shift-left testing, continuous testing, CI/CD integration, and quality throughout the software development lifecycle.
• Provide technical guidance and mentoring, evaluate emerging tools, and explore practical AI applications for automation, validation, and defect detection.

Requirements

• Extensive Quality Engineering experience, ideally in Data Engineering, Big Data, or complex data platform environments.
• Strong expertise in Quality Engineering principles, test strategy, automation, and modern quality assurance practices.
• Experience defining test strategies, standards, and Quality Engineering best practices across teams.
• Advanced SQL skills for validating complex datasets, data transformations, and ETL/ELT pipelines.
• Hands-on experience with Python, PySpark, Databricks, and testing distributed data processing solutions.
• Experience designing and evolving automated test frameworks and integrating continuous testing into CI/CD pipelines.
• Good understanding of cloud-based data platforms, data quality principles, and modern software engineering practices.
• Strong analytical, problem-solving, communication, and stakeholder management skills, including the ability to influence technical decisions.
• Experience providing technical guidance, mentoring engineers, and developing Quality Engineering capability.
• Proactive continuous-improvement mindset focused on reliable, scalable, high-quality data solutions.
• Excellent written and spoken English required.

Culture & Benefits

• Flexible and agile hybrid working with home-office and Kraków-office options.
• Private medical healthcare at LUXMED, including dental care, for employees and families.
• Medicover sports card, employer-funded life insurance, wellbeing programme, and annual bonus opportunity.
• Training and Buddy programme, language and accounting courses, LinkedIn Learning, and possible study and certification co-financing.
• Eight-hour working day with a 30-minute lunch break, plus public transport co-financing and parking benefits.
• Inclusive environment supporting experimentation, continuous improvement, and professional development.