It's not a difficult process but you should be very prepared because they could ask you some tricky questions.
The most difficult part is the system design but they made me feel nice, it was like a conversation with a peer.
1st. Home test. Create an API, no database connection required.
2nd. Pair programming. One problem to solve on Codility/LeetCode low-mid level. Then, a few questions about my implementation.
3rd. System design interview. First they asked me about my current projects and the way we tend to work in my company (CI/CD, agile methodologies, code management using repositories, etc ).
Then using Codility's canvas I had to solve a problem with all the requirements well specified from the beginning.
4th. An interview with hiring managers.
The following metrics were computed from 2 interview experiences for the N26 Software Engineer role in Barcelona, Spain.
N26's interview process for their Software Engineer roles in Barcelona, Spain is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for N26's Software Engineer interview process in Barcelona, Spain.