Senior Data Engineer

Join our innovative team at BESTSELLER as we leverage cutting-edge AI and data-driven solutions to transform the retail and e-commerce experience.

We are looking for a seasoned Data Engineer who is passionate about designing, building, and operating the data products and platforms that power data-driven decisions - and ready to take a leading role in shaping how we do it. This role places you at the heart of our Appretio platform - our commitment to revolutionizing merchandising through data-driven solutions.

YOUR TEAM
You will be an integral part of a dynamic team within the Merchandising Solutions department, a group of over 20 data and AI enthusiasts driving the merchandising agenda at BESTSELLER. Our focus is not only on delivering unmatched value to our end consumers but also on maintaining the highest standards of customer satisfaction and quality. You will join a product team of ten highly skilled professionals, all committed to harnessing the potential of data to enhance customer experience, streamline operations, and drive revenue growth.

YOUR NEW ROLE
As a Senior Data Engineer, you will lead the way in building and evolving the robust, scalable data pipelines and cloud-based infrastructure behind Appretio. Working closely with merchandisers, data scientists, engineers, and application developers, you will set the technical direction for a data platform that is efficient, reliable, and ready to support cutting-edge AI initiatives. You will take ownership of data engineering best practices and help shape a future-ready foundation for next-generation AI and analytics solutions, while mentoring others along the way.

YOUR BENEFITS
Joining BESTSELLER means working in a vibrant, innovative environment where your decisions make immediate, tangible impacts. You will:

• Engage with an expert, collaborative team committed to innovation and excellence.
• Access comprehensive professional growth opportunities, including specialized training programs and international exposure.
• Benefit from extensive support for ongoing education, certification, and skill development.

YOUR PROFILE
You are a structured, curious, and proactive Senior Data Engineer who takes pride in designing efficient systems and lifting the people around you. You enjoy exploring technological options to find the optimal solution, you naturally take ownership of technical direction and quality, and you are equally comfortable communicating your findings with technical and non-technical stakeholders.

We envision that you bring:

• A degree in Computer Science, Engineering, or a related field
• Several years of hands-on experience in data engineering, with a proven track record of delivering and operating production data platforms
• Strong proficiency in cloud environments (AWS or Azure), data integration tools, and modern data warehousing or lakehouse architectures
• Advanced programming skills in SQL and Python, with deep hands-on experience in data pipelines, Git, and CI/CD setups
• Familiarity with streaming and real-time data technologies such as Kafka or Spark Streaming
• Demonstrated experience mentoring engineers, leading technical initiatives, and setting data engineering standards

The following qualifications would be considered an advantage:

• Strong working knowledge of trade-offs between transactional, analytical, and distributed databases
• Experience tackling the challenges of multi-tenant database setups
• Experience and interest in working with FastAPI, ORMs, and related backend frameworks
• Experience tuning databases and data pipelines to efficiently serve production-grade analytics-focused web applications
• Experience designing data contracts and data products, and driving data governance across organizations

WE ARE LOOKING FORWARD TO HEARING FROM YOU
If you have questions about the position, you are welcome to contact Emil Hartvig Diekema on +45 29 62 82 03. Otherwise, please send us your CV as soon as possible. We review applications on an ongoing basis and reserve the right to take down the advertisement when we find the right candidate.

WORK LOCATION: Your primary workplace will be at our office in Aarhus.

About BESTSELLER E-Commerce
At BESTSELLER, we are more than 15,000 people working for over 20 fashion brands such as JACK & JONES, SELECTED, VERO MODA, ONLY, PIECES, VILA, OBJECT, MAMALICIOUS, NAME IT, NOISY MAY and Y.A.S. At BESTSELLER E-Commerce, we are an international team of 170 people from more than 40 nationalities with the purpose to drive all e-commerce functions at BESTSELLER. With our office in the heart of Amsterdam as well as locations in Poland and Denmark, we are supporting all fashion brands of the BESTSELLER family and sell online in 15 countries around the world. We work in an environment where fashion meets technology. Challenging ourselves to offer the best experience to our customers and stakeholders and to work with the latest technologies is what drives us. As a team, we value autonomy and flexibility. We thrive in a flat organisation, where everyone has the chance to grow and learn. For more information, please go to www.bestseller.com.