Optical Network Engineer applicants have rated the interview process at ByteDance with 3 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 36% positive. This is according to Glassdoor user ratings.
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An interview session has been arranged for the same day that I submit my application. The first round of interviews with the optical network team leader for 1 hour. Initially, the interviewer asked me to introduce myself he started asking technical questions which mainly was asked according to your introduction followed by a behavioral question. It was an interactive session.
Interview questions [1]
Question 1
1- What is OSNR? 2- What factor impacts the OSNR? 3- What is the difference between coherent and noncoherent modulation? 4- how does the nonlinear effect impact OSNR? 5- Describe a situation where the customer squeezes the timeline