Senior Software Engineer applicants have rated the interview process at Apollo.io with 3.3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 50% positive. To compare, the company-average is 40.4% positive. This is according to Glassdoor user ratings.
Candidates applying for Senior Software Engineer roles take an average of 24 days to get hired, when considering 8 user submitted interviews for this role. To compare, the hiring process at Apollo.io overall takes an average of 29 days.
Common stages of the interview process at Apollo.io as a Senior Software Engineer according to 8 Glassdoor interviews include:
Phone interview: 33%
One on one interview: 25%
Skills test: 17%
Presentation: 17%
Other: 8%
Here are the most commonly searched roles for interview reports -
Interview reached out to me.
Had a screening round for half an hour with the recruiter.
First round was coding and then next round was system design.
1. Expression evaluation dsa question
2. Rejected in system design round
Interview questions [1]
Question 1
Design a system for live comment section on youtube.
Had a in depth discussion on all aspects in the design.
Pretty intense round.
They asked me to mail the final HLD, back of the envelope calculations and any assumptions I took.
I applied through a recruiter. I interviewed at Apollo.io in Mar 2026
Interview
Standard MAANG process. First general chat with recruiter. Next, leetcode style coding round and system design. The next rounds were supposed to be AI assisted coding and cultural fit round. I got positive feedback from recruiter via email, and he suggested I start preparing for next rounds, but got then got ghosted.
Interview questions [1]
Question 1
leetcode style binary search, design real time chat server for existing video streaming service
I applied through a recruiter. The process took 3 weeks. I interviewed at Apollo.io in Nov 2025
Interview
Total Four Rounds
1. DSA : Medium level problems, solved both of them before time so was asked a follow up question which I answered as well
2. AI assissted coding round: LLD round with/using chatGPT
3. HLD Round: need good understanding of the system design
4. HM: STAR method questions