Lead Data Quality Engineer — AI-Driven Testing

Kingfisher plc; Kraków; Hybrid; PLN 257,000 - 335,000; Full time

Benefits offered by this job

Private medical healthcare

Medicover sports card

Life insurance

30-minute lunch break

Home office option

Language courses

Job summary

Kingfisher plc in Kraków seeks an experienced Lead Quality Engineer to provide technical leadership across Quality Engineering within our Data Engineering environment. You will shape quality strategy and ensure reliability and performance of our data platforms and products.

Working with Data Engineers, Data Designers, Data Quality Analysts and Product Owners, you will drive Quality Engineering standards, lead test strategy and automation, and embed quality throughout the software development

Qualifications

• Extensive experience in Quality Engineering, ideally within Data Engineering, Big Data or complex data platform environments.
• Strong expertise in Quality Engineering principles, test strategy, automation and modern quality assurance practices.
• Proven experience defining and driving test strategies, standards and Quality Engineering best practices across teams.
• Advanced SQL skills, with experience validating complex datasets, data transformations and ETL/ELT pipelines.
• Strong 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 and problem-solving skills, with the ability to lead the investigation of complex quality issues and drive effective solutions.
• Excellent communication and stakeholder management skills, with the ability to influence technical decisions and champion quality across engineering teams.
• Experience providing technical guidance, mentoring engineers and supporting the development of Quality Engineering capability.
• A proactive, continuous improvement mindset with a strong focus on delivering reliable, scalable and high-quality data solutions.
• Excellent command of English (written and spoken).

Responsibilities

• Define and drive Quality Engineering strategy across data platforms, pipelines and products.
• Lead the design of automated and manual tests to ensure data accuracy and reliability.
• Investigate complex quality issues, perform root-cause analysis and drive improvements.
• Partner with Data Engineers and stakeholders to define quality requirements and testing approaches.
• Drive quality across the software lifecycle, advocate shift-left testing and automation.
• Lead testing across data integration and ETL/ELT processes to ensure data integrity.
• Champion test automation and CI/CD integration for faster feedback.
• Provide technical guidance and mentoring to engineers in Quality Engineering.
• Explore AI use in Quality Engineering to improve test automation and data validation.
• Evaluate new tools and practices to continuously improve Quality Engineering.

Skills

Quality Engineering

SQL

Python

PySpark

Databricks

CI/CD

Cloud data platforms

Analytical skills

Communication

Mentoring

Test automation

English

Tools

CI/CD tools

Python testing frameworks

Job description

Kingfisher plc in Kraków seeks an experienced Lead Quality Engineer to provide technical leadership across Quality Engineering within our Data Engineering environment. You will shape quality strategy and ensure reliability and performance of our data platforms and products.

Working with Data Engineers, Data Designers, Data Quality Analysts and Product Owners, you will drive Quality Engineering standards, lead test strategy and automation, and embed quality throughout the software development