Senior Software Engineer (C#/.NET/Python)

Employment type: Full time. Requisition: 0000034966. Start: 2026-08-20. Country: Denmark.

Job Description Are you a wizard with C#/.NET and Python? Then we're looking for YOU! The Play Software department at the LEGO Group focuses on enabling engaging and seamless digital experiences by developing innovative software tools and platforms. The Senior Software Engineer role supports this by delivering high-quality software solutions that empower developers to build interactive LEGO experiences efficiently.

Responsibilities

Develop and maintain modular, testable, deployable, and easy-to-maintain software solutions for interactive LEGO products using a mix of C# .NET, AvaloniaUI, and Python to name a few. - Collaborate with cross-functional teams to create tools that support developers in creating tech-enabled LEGO experiences, considering developer experience.

- Ensure high software quality through code reviews, automated testing, and continuous integration, with a strong emphasis on unit testing, while being comfortable with context switching between projects. - Support the automation of pipelines and toolchain development to improve developer efficiency and quality of life, balancing between perfecting software and making rapid delivery.

- Engage in architectural discussions to drive innovation and technical excellence, making loosely coupled IT solutions1 …