I applied online. The process took 3 weeks. I interviewed at ironSource (Tel Aviv-Yafo) in Jun 2023
Interview
first a phone call interview (not difficult). then interview with system design question + data structure algorithm. then another interview with both again. the questions was about trees, and 2 system design questions.
Interview questions [1]
Question 1
system design. design of your last company infrastructure. data structure (trees).
I applied online. The process took 2 weeks. I interviewed at ironSource (Tel Aviv-Yafo) in Jun 2023
Interview
Frontal interview at their offices. More than one week after the interview I still got no news. I wrote to the recruiter, that then called me and said I didn't pass the interview. I asked for more specific feedback (to know what should I invest on towards other interviews). She said she will send and she didn't. I wrote her, she didn't answer.
Interview questions [1]
Question 1
They asked me to present something I worked on and then asked me how would I design a jobs scheduler.
I applied through an employee referral. The process took 2 weeks. I interviewed at ironSource (Tel Aviv-Yafo) in Mar 2023
Interview
- Screening call with HR - 15 minute phone interview with team lead - Technical Round with team lead - Technical Round with group director and VP R&D - HR interview - Reccommendations
Interview questions [1]
Question 1
First technical round: design a url shortening service Second technical round: - Design a real time bidding system with auction quotas per advertiser
Backend Engineer applicants have rated the interview process at ironSource with 3.7 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 67% positive. To compare, the company-average is 57.1% positive. This is according to Glassdoor user ratings.
Candidates applying for Backend Engineer roles take an average of 16 days to get hired, when considering 3 user submitted interviews for this role. To compare, the hiring process at ironSource overall takes an average of 15 days.
Common stages of the interview process at ironSource as a Backend Engineer according to 3 Glassdoor interviews include:
One on one interview: 33%
Phone interview: 22%
Skills test: 22%
Group panel interview: 11%
Personality test: 11%
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