Scientist applicants have rated the interview process at IPG Photonics with 2 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 56% positive. This is according to Glassdoor user ratings.
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First, there was an e-mail communication, then a phone interview, followed by an on-site interview with a team and the bosses. The technical component was relatively easy, then a chat with the HR.