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Mitel Networks Software Engineer Interview Questions
& Process

Real candidates share what happened, how many rounds they had,
and how the experience turned out.

Based on 30 interview experiences · FREE TO READ

2.9 Rounds average
Average Typical difficulty
60% Positive experience

Candidate interview experiences

First-hand accounts from people who interviewed at Mitel Networks.

Showing 3 of 30
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Mitel Networks

Software Developer

Engineering · nearly a year ago

Entry Average Positive experience Accept offer 3 rounds
Interview process
Technical screen Technical screen Recruiter call
Interview formats
Technical Coding Behavioral

It contains 3 rounds. The first round was an online test which consists of basic oops and cs fundamentals questions. Second round was a technical interview, it was virtual. Duration of interview was 50 minutes. Third round was HR round which was about 10 minutes.

Confirmed questions7 questions
  • Can you explain your project in detail?
  • Write an OOPS question on notepad.
  • Write another OOPS question on notepad.
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Mitel Networks

Software Engineer

Engineering · more than a year ago

Senior Average Negative experience No offer 3 rounds
Interview process
Technical screen Recruiter call Technical screen
Interview formats
Technical Behavioral

The interview process had three rounds. The first was a technical screening with questions on JAVA, Spring, SpringBoot, and Microservices, which I passed. The second was a managerial round focusing on management and technical management skills, which I also passed. The third round was an unexpected technical round. It felt like they were looking for reasons to disqualify me or find a tricky reason to reject me. I had to wait 20 days for feedback, and it turned out to be negative.

Confirmed questions1 question
  • Google it to find out what's really needed for the interview.
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Mitel Networks

Software Engineer

Engineering · more than a year ago

Mid Average Negative experience No offer 8 rounds
Interview process
Recruiter call Technical screen Onsite Background check Offer
Interview formats
System Design Coding Behavioral

Met with 8 different people, sometimes in pairs, over 3-4 hours. Started with introductions and company info, then moved to System Design, Algorithm, and Front-end questions. Wrapped up with a few more algorithm and scope/closure questions. The last person I was supposed to meet was on PTO, so I met with a VP of Engineering instead. He seemed unhappy to be there, sighed a lot, and gave very short answers. He questioned my bootcamp background and its potential payoff, which I found insulting given my peers' experiences at top tech companies. He then criticized one of my past projects, asking its utility and user base. I explained its use case, but he just laughed smugly. It was a very negative experience, possibly the worst I've had. I understand the company's negative reviews for engineering and management after this.

Confirmed questions2 questions
  • Can you design a system for a chat application?
  • Write a function to determine if two binary trees are mirrors of each other.

Mitel Networks Software Engineer Interview Questions

Quoted word for word from Mitel Networks interview reports.

Write a function to determine if two binary trees are mirrors of each other.

Read reports

Given unlimited memory, what's a method to remove an item from a linked list in less than O(n) time?

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What's the difference between the Contact and From headers?

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How would you write a program to find the square root of a number?

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Formats, difficulty and experience

Across all 30 Mitel Networks interview reports.

Interview formats

Behavioral 41.2%
Technical 38.2%
Coding 16.2%
Other 2.9%
System Design 1.5%

Interview difficulty

Easy 23.3%
Average 63.3%
Difficult 13.3%

Candidate experience

Positive 60%
Negative 26.7%
Neutral 13.3%