TDP Software Engineer applicants have rated the interview process at AT&T with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 57% positive. To compare, the company-average is 65.7% positive. This is according to Glassdoor user ratings.
Candidates applying for TDP Software Engineer roles take an average of 43 days to get hired, when considering 30 user submitted interviews for this role. To compare, the hiring process at AT&T overall takes an average of 28 days.
Common stages of the interview process at AT&T as a TDP Software Engineer according to 30 Glassdoor interviews include:
Skills test: 24%
One on one interview: 22%
Phone interview: 16%
Group panel interview: 10%
Presentation: 10%
Personality test: 6%
IQ intelligence test: 4%
Other: 2%
Background check: 2%
Drug test: 2%
Here are the most commonly searched roles for interview reports -
I took a HackerRank exam that lasted around three hours. The questions were medium-level and similar to LeetCode-style problems. After completing the exam, I received a phone call from the recruiter inviting me to a technical interview.
Interview questions [1]
Question 1
questions with STAR methods
system design question
coding question - easy, meduim level
After I applied, the first round was an automated HackerRank OA, which had four questions with a 1 hour limit. The first two were standard questions and then one basic SQL question.
I applied online. I interviewed at AT&T in Jan 2026
Interview
First round was an OA took it back in September didn't hear back until mid January that I was moved to the next round. Which was a technical hacker rank type question 2 question 1 leetcode easy 2nd was debugging and finally some simple conceptual questions with 2 current TDP Software Engineers went pretty smooth. They mentioned in the 2nd round I was supposed to receive a recruiter call before the second technical but I never got that so I went straight to the technical round. Next round was the final behavioral with the hiring manager just be prepared to answer questions using the STAR approach around 6 questions and follow up questions.
Interview questions [1]
Question 1
LeetCode easy and a debugging for the technical be prepared.