Test Development Engineer applicants have rated the interview process at ADTRAN 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 78.2% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
two telephonic interviews and then 4-5 face to face rounds.
Attended hyderabad branch, it was start up in hyderabad in 2013 not much employees count, there were around 30 employees, asked more related to data networking questions and few related to automation and scripting skills.