Full Stack Developer

About the role

We are seeking a Full Stack Developer to join the Data Services team in Luxembourg. The role focuses on building and scaling internal and client‑facing data products that support retail media and e‑commerce operations, with an emphasis on automation and AI‑enabled workflows.

Key responsibilities

• Design, develop, and maintain web applications, adding new features and creating tools from scratch (UI, backend services, and integrations).
• Build data‑centric services and APIs that connect to data warehouses, lakes, third‑party APIs, and internal datasets.
• Collaborate with Data Scientists, BI Engineers, and Data Delivery teams to ensure reliability, security, and user adoption.
• Participate in the full product lifecycle, from concept through deployment and monitoring.
• Contribute to automation initiatives and pragmatic tool development to improve operational efficiency.

Required profile

• Proven experience in full‑stack development within a product‑oriented environment.
• Strong problem‑solving abilities and a hands‑on approach to cross‑functional collaboration.
• Understanding of data‑driven applications and experience with API design.
• Ability to deliver high‑quality code that meets security and performance standards.
• Excellent communication skills in English.

Required skills

• Web application development
• Backend service development
• API design and integration