System Design Engineer applicants have rated the interview process at Impinj with 4 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 44.6% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
2 Phone interview followed by a full day site video interview . The interviewers were reasonable but I think the questions were far beyond the staff level. The other issue was that some interviewers didn't actually know what was the position advertise for and ask general questions which were un-relevant to that position.