Principal Data Engineer

We’re Kingfisher, a team made up of over 74,000 passionate people who bring Kingfisher - and all our other brands: Castorama, B&Q, Screwfix, Brico Dépôt and Koçtaş - to life. That’s right, we’re big, but we have ambitions to become even bigger and even better. We want to become the leading home improvement company and grow the largest community of home improvers in the world. And that’s where you come in.

At Kingfisher, our customers come from all walks of life, and so do we. We want to ensure that all colleagues, future colleagues, and applicants to Kingfisher are treated equally regardless of age, gender, marital or civil partnership status, colour, ethnic or national origin, culture, religious belief, philosophical belief, political opinion, disability, gender identity, gender expression or sexual orientation.

We are open to flexible and agile working. Therefore, we offer colleagues a blend of working from home and our office, located in Kraków. Talk to us about how we can best support you!

At Kingfisher, we value the perspectives that any new team members bring, and we want to hear from you. We encourage you to apply for one of our roles, even if you do not feel you meet 100% of the requirements.

In return, we offer an inclusive environment, where what you can achieve is limited only by your imagination! We encourage new ideas, actively support experimentation, and strive to build an environment where everyone can be their best self.

We offer a competitive benefit package and plenty of opportunities to stretch and grow your career:

• Private medical healthcare at LUXMED (including dentalcare) for you and your family
• Medicover sports card (Fit&More package)
• Life insurance financed by the employer
• 30-minute lunch break included in the 8-hour working day
• Work in a highly professional and stimulating atmosphere
• Training & Buddy programme that will allow you to quickly adapt to your new role
• Wellbeing programme for employees
• Co-financing of monthly tickets for the public transport in Krakow
• Comfortable working environment in the office and the possibility of home office
• Language courses, accounting courses, access to LinkedIn Learning and the possibility of co-financing studies and certification
• Employee referral programme

Overview

Principal Data Engineer

We’re Kingfisher, a team made up of over 74,000 passionate people who bring Kingfisher - and all our other brands: Castorama, B&Q, Screwfix, Brico Dépôt and Koçtaş - to life. That’s right, we’re big, but we have ambitions to become even bigger and even better. We want to become the leading home improvement company and grow the largest community of home improvers in the world. And that’s where you come in.

At Kingfisher, our customers come from all walks of life, and so do we. We want to ensure that all colleagues, future colleagues, and applicants to Kingfisher are treated equally regardless of age, gender, marital or civil partnership status, colour, ethnic or national origin, culture, religious belief, philosophical belief, political opinion, disability, gender identity, gender expression or sexual orientation.

We are open to flexible and agile working. Therefore, we offer colleagues a blend of working from home and our office, located in Kraków. Talk to us about how we can best support you!

At Kingfisher, we value the perspectives that any new team members bring, and we want to hear from you. We encourage you to apply for one of our roles, even if you do not feel you meet 100% of the requirements.

In return, we offer an inclusive environment, where what you can achieve is limited only by your imagination! We encourage new ideas, actively support experimentation, and strive to build an environment where everyone can be their best self.

We offer a competitive benefit package and plenty of opportunities to stretch and grow your career:

• Private medical healthcare at LUXMED (including dentalcare) for you and your family
• Medicover sports card (Fit&More package)
• Life insurance financed by the employer
• 30-minute lunch break included in the 8-hour working day
• Work in a highly professional and stimulating atmosphere
• Training & Buddy programme that will allow you to quickly adapt to your new role
• Wellbeing programme for employees
• Co-financing of monthly tickets for the public transport in Krakow
• Comfortable working environment in the office and the possibility of home office
• Language courses, accounting courses, access to LinkedIn Learning and the possibility of co-financing studies and certification
• Employee referral programme

About the role

As a Principal Data Engineer, you will be a senior individual contributor and technical leader, shaping the design, direction, and evolution of Kingfisher's data platforms and products.

Operating at aleading capability level, you will be recognised as a trusted technical expert and advisor across Group Technology, influencing engineering strategy, technical standards, and ways of working across multiple squads and domains.

You will lead the delivery of enterprise-scale data solutions, enable high-performing engineering teams, and drive the evolution of our data platforms to ensure they deliver measurable business value. Through your technical leadership, you will helpestablishengineering best practices, support innovation, and contribute to the long-term success of our data engineering capability.

Responsibilities

Define and drive the data platform and data engineering strategy, aligned with Group Technologyobjectives.

Lead architecture decisions andestablishengineering standards, best practices, and scalable design patterns across data pipelines, storage, and processing.

Partner with Architecture and Product teams to shape long-term platform roadmaps and capabilities.

Design and deliver robust, production-ready data platforms and pipelines that are scalable, resilient, high-performing, and cost-efficient.

Champion modern data engineering practices, including CI/CD, automated testing, observability, DevOps, and platform automation.

Drive data quality, governance, and security standards while promoting reusable data products and shared platform capabilities.

Provide technical leadership across multiple squads, influencing engineering decisions and collaborating with senior stakeholders across Engineering, Product, Architecture, and Technology.

Lead complex, business-critical initiatives spanning multiple teams, systems, and geographies.

Mentor and coach engineers across the Data Engineering Chapter, fostering knowledge sharing, continuous learning, and engineering excellence.

Support hiring, onboarding, and capability development while helping build a strong engineering community.

Stay ahead ofemergingtechnologies, evaluating and introducing new tools and approaches that deliver measurable value.

Drive continuous improvement across the data engineering landscape, ensuring technical solutions support customer and commercial outcomes while balancing quality, speed, cost, and risk.

Proven ability to influence executive-level stakeholders and collaborate effectively across multiple domains.

Strong problem-solving and decision-making skills, with experience addressing complex, ambiguous, and cross-system challenges.

Ability to lead through uncertainty, transformation, and changing priorities.

A track recordof setting engineering standards, driving continuous improvement, and raising capability across teams.

Experience coaching engineers and contributing to the development of high-performing teams and engineering communities.

Deep knowledge of data modelling, storage, access, and processing patterns.

Proven experience delivering large-scale data platforms and production-grade data pipelines.

Strong programming skills in Python and SQL.

Hands-on experience with Spark,PySpark, or Scala.

Experience using DBT for data modelling and transformation.

Strong knowledge of cloud platforms, including GCP, Azure, and AWS.

Experience with data platforms and services such as Databricks,BigQuery, and Azure Data Factory.

Strong understanding of DevOps andDataOpspractices, including CI/CD, Git, Terraform, Docker, and Kubernetes.

Experience with data quality tools and testing frameworks, including Great Expectations.

Deep understanding of batch, streaming, and event-driven data architecture patterns.

Strong knowledge of cloud-native and distributed systems design.

Experience designing resilient, scalable, and observable systems.

Proven ability to optimise data platforms for performance and cost efficiency.

Ability to act as a trusted technical authority, influence strategic direction and investment decisions, and deliver measurable business value through data platforms.

Excellent command of English (written and spoken).

Private medical healthcare at LUXMED (including dental care) for you and your family.

Child Insurance

Sports Card

Medicover sports card (Fit&More package).

Courses

Language courses, accounting courses, access to LinkedIn Learning and the possibility of co-financing studies and certification.

Life Assurance

Life insurance at Generali financed by the employer.

Bonus

Opportunity to earn annual bonus that aligns to work level of role.

Parking

Parking spaces and LOTOS card.

Kingfisher Pension Scheme

Co-financing of monthly tickets.

Transport Discount

Co-financing of monthly tickets for the public transport in Krakow (50% discount).

Our Behaviours

At Kingfisher, we are united by our 6 core behaviours

Be customer
focused

Constantly improving our customer experience

Acting with humanity and care

Be curious

Thriving on learning, thinking beyond the obvious

Be inclusive

Acting inclusively in diverse teams to achieve together

Be agile

Working with trust, pace and agility

Be accountable

Championing the plan to deliver results and growth

Our employees know us best. We wouldn’t be Kingfisher without them. So, we want to share what they think with you.

Development and progression is a high priority at Kingfisher, I’ve always felt well supported.

I’m proud to work for Kingfisher, I’ve had great opportunities that have enabled me to contribute to an exciting forward-thinking company.

Training & Development

There are so many ways you can grow, learn, and develop here at Kingfisher. At whatever pace suits you.

Conversations with senior leaders

You'll be able to have regular conversations with managers about personal development and gain a better understanding about what you want from your career and how to achieve it.

Resources and tools to help you grow

Improving without instruments to help you learn is near impossible. That's why we make sure you have everything at your fingertips to find exactly what you need to keep growing.

Initiatives that measure development

With plans that ask you what you want to achieve and when you want to achieve them by, tracking progress and keeping development at the forefront of conversation is easy.

Find your path

The scale of group functions within Kingfisher is huge. That means you have the chance to build different career paths within multiple areas of the organisation.

Sharing is caring

We aren't selfish here at Kingfisher. Whatever your level of experience, you'll work with colleagues who are always welcoming and ready to share their knowledge whenever you need it.

Reach for the stars

So your ambitions are high? Good thing we have opportunities to find experiences in line with more senior roles and responsibilities. Here, you can evolve your career, no matter your level.

Why Kingfisher

We’re an innovative, international retailer on a journey to actively make a difference. Always striving to take that next step. You can be part of the difference. From bottom to top you can progress in a collaborative environment. So, why not Kingfisher?