Nokia

First is a Technical Exam about the main technology you pick. Normal algorithm problems only. Once passed, there's a Technical Interview done by the Technical Lead of the team you will join. And a Manager and HR combo Interview. Each will check if

Exam about programming of your language choice. Three problems in all. Applied through employee referral. Should be easy if you know enough of one programming language. I chose C as my language.

The interview consists of the technical exam, which was hard. So you better study OOP. I was pretty sure I knew all the basics, but that was not enough. You have to really focus on the problems and provide the required data output/execution to pass