Senior Software Engineer — Hybrid DevTools for Experiences

LEGO Gruppe; Denmark; Hybrid; DKK 700,000 - 1,100,000; Full time

Benefits offered by this job

Family Care Leave

Life and disability insurance

Wellbeing resources

Colleague discount

Bonus scheme

Hybrid work policy

Job summary

The LEGO Group in Denmark seeks a Senior Software Engineer to deliver modular, testable software for interactive LEGO products using C#/.NET and Python, with AvaloniaUI as part of the toolkit.

You will collaborate across cross-functional teams, drive CI/CD, automate pipelines, perform code reviews, mentor junior engineers, and own features from design to deployment in a hybrid work model.

Qualifications

• Experience in C# .NET and Python for software development.
• Ability to optimize software for performance and scalability.
• Experience with Git and Git actions; strong security/data privacy awareness.
• Proven track record automating development pipelines and toolchains; Docker familiarity.
• Comfortable with cloud endpoints and backend integration.

Responsibilities

• Develop and maintain modular, testable software for interactive LEGO products using C# .NET, AvaloniaUI, and Python.
• Collaborate with cross-functional teams to create tools that support developers in creating LEGO experiences.
• Ensure high software quality through code reviews, automated testing, and CI with a focus on unit testing.
• Support automation of pipelines and toolchains to improve developer efficiency and delivery speed.
• Engage in architectural discussions to drive innovation and mentor junior engineers.
• Embrace ownership: own the software you build and run it responsibly.

Skills

C#

Python

Cloud / Backend

Architecture discussions

DevOps practices

Git / GitHub Actions

Docker

Tools

AvaloniaUI

Job description

The LEGO Group in Denmark seeks a Senior Software Engineer to deliver modular, testable software for interactive LEGO products using C#/.NET and Python, with AvaloniaUI as part of the toolkit.

You will collaborate across cross-functional teams, drive CI/CD, automate pipelines, perform code reviews, mentor junior engineers, and own features from design to deployment in a hybrid work model.