There are some long exams, but not that difficult. Some exams are for language and some to teach you how to work and how you can improve your work in future,
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Average interview
Application
I applied through a recruiter. I interviewed at Welocalize (Tallinn)
Interview
An interview online. Very friendly and nice interviewer. There was a test also, which wasn't very Hard to do if you know qa, so not so difficult. Overall it was an easy experience and no need to worries.