I applied online. The process took 3 weeks. I interviewed at Swisscom (Zürich) in Jul 2021
Interview
One interview with two senior managers, second interview with team head and another manager. Final offer made after 2 interviews. Duration was about an hour for each. No extensive preparation was necessary. General questions about interests, job experience and motivation were asked.
Interview questions [1]
Question 1
1) What are Java annotations called? Answer: decorators
2) What is a LEFT OUTER JOIN?