Student Assistant, Data & AI Engineering

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 curious and motivated Student Assistant who is eager to learn alongside experienced engineers and data scientists while contributing to real products throughout their studies.
This role places you at the heart of our Appretio platform and our commitment to revolutionising 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 more than 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 highly skilled professionals, all committed to harnessing the power of data to enhance customer experiences, streamline operations, and drive revenue growth.

YOUR NEW ROLE
As a Student Assistant, you will support the team in building and operating the data products and applications behind Appretio. You will work on clearly defined tasks alongside data engineers, application developers, and data scientists, gaining hands-on experience with a modern, cloud-based data and AI platform. You will be given real responsibility, combined with the mentorship and guidance needed to help you develop your skills along the way.

We expect you to work approximately 15–20 hours per week during the semester, with flexibility around exam periods.

Your typical responsibilities may include:

• Supporting the development and maintenance of data pipelines and integrations
• Helping build, test, and document features in our AI applications
• Assisting with data quality checks, monitoring, and small automation tasks
• Contributing to internal tooling and exploring new technologies with the team

YOUR BENEFITS
Joining BESTSELLER means working in a vibrant, innovative environment where your contributions make an immediate and tangible impact. You will:

• Join an expert, collaborative team committed to innovation and excellence
• Gain hands-on experience with production-grade data platforms and AI applications
• Benefit from dedicated mentorship and opportunities to develop your technical skills
• Work flexibly around your studies in a supportive, learning-oriented environment

YOUR PROFILE
You are a structured, curious, and proactive student who enjoys learning quickly and working alongside experienced colleagues. You enjoy exploring technical solutions, take pride in delivering high-quality work, and are comfortable communicating with both technical and non-technical stakeholders.

We imagine that you have:

• Enrolment in a relevant degree programme, such as Computer Science, Data Science, Engineering, or a related field
• Some programming experience, ideally in Python and/or SQL
• An interest in data engineering, AI applications, and cloud technologies
• A willingness to learn, take ownership of your tasks, and develop your skills
• Strong communication skills in English

The following qualifications are considered an advantage:

• Exposure to Git, CI/CD, or cloud environments (AWS or Azure)
• Familiarity with data pipelines, web application frameworks, or modern data warehousing
• An interest in agentic development workflows and tooling
• Previous project, internship, or personal experience building software or working with data

WE ARE LOOKING FORWARD TO HEARING FROM YOU
If you have any questions about the position, you are welcome to contact Emil Hartvig Diekema on Se telefonnummer på studerendeonline.dk. Otherwise, please send us your CV as soon as possible and no later than 17 July 2026. We review applications on an ongoing basis and reserve the right to remove the advertisement once we have found the right candidate.

WORK LOCATION : Your primary workplace will be 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 .

You will become part of the BESTSELLER family, a culture where new ideas are welcomed, and all voices are heard. We believe in entrepreneurship; this means you have the freedom to do this in the way which works for you. You get responsibility and the opportunity to develop yourself and your area from day one. We believe in flexibility and autonomy in your daily routine and working location.