- Expert knowledge in at least one open source frontend web-framework (e.g. Angular/Vue/Ember/[React])
- Deep understanding for frontend architectures and API consumption
- Solid knowledge in at least one frontend test framework
- Good knowledge about "common" UI frameworks and efficient usage
- At least 3 years experience in frontend implementation / architecture
- Inherent Software Quality-, Scalability and Ownership-Mindset
- Ready to take ownership and responsibility in the team
- Mindset for good user experience
- In a nutshell: you think about frameworks and SPA architectures when hearing “frontend” and not about CSS