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Bitdefender Interview Questions
& Process

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

Based on 51 interview experiences · FREE TO READ

2.1 Rounds average
Average Typical difficulty
58.8% Positive experience

Which role are you interviewing for?

22 roles · 51 reports

Candidate interview experiences

First-hand accounts from people who interviewed at Bitdefender.

Showing 4 of 51
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Bitdefender

C++ Software Developer

Engineering · nearly a year ago

Entry Easy Negative experience No offer 1 round
Interview process
Recruiter call Technical screen
Interview formats
Technical Behavioral

It was a bad interview. The person interviewing me showed up 20 minutes late and then asked really basic questions that seemed like they just pulled them from a Google search. Even though I got them all right because they were so easy, they told me they found someone else who was a better fit.

Confirmed questions3 questions
  • Can you describe the difference between a class and a struct?
  • Could you explain the concept of call by value versus call by reference?
  • Please explain object-oriented programming concepts such as abstraction and polymorphism.
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Bitdefender

Software Engineer

Engineering · nearly a year ago

Entry Average Negative experience No offer 3 rounds
Interview process
Technical screen Take home Technical screen
Interview formats
Technical Coding

They had a technical screen and then a homework assignment where I had to implement a directory sync program based on a spec. After that, there was a live assessment for the homework. I got good feedback and they said they wanted me on the team, but would reach out with an offer in a couple of weeks due to budget stuff. They did reach out, but after a month, saying they went with another candidate. So, it was a long interview process that felt like a waste of time and wasn't really an objective evaluation. Plus, the company doesn't seem very stable or trustworthy. It seems like a place with issues and I wouldn't recommend it.

Confirmed questions3 questions
  • Could you answer some basic questions about object-oriented programming?
  • Can you discuss some common multithreading concepts?
  • Please implement a directory synchronization program based on the provided specifications.
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Bitdefender

Frontend Developer

Engineering · nearly a year ago

Mid Average Positive experience No offer 2 rounds
Interview process
Recruiter call Technical screen Offer
Interview formats
Technical Behavioral

Had a quick intro chat about the role. Then there was a technical interview with the tech lead and a manager. The manager asked most of the questions. They also asked about my salary expectations at the end.

Confirmed questions5 questions
  • Questions about Vanilla JS.
  • Questions about CSS.
  • Questions about Object-Oriented Programming.
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Bitdefender

Data Scientist

Analytics · a year ago

Intern Easy Neutral experience No offer 1 round
Interview process
Recruiter call Technical screen
Interview formats
Coding Technical

It was pretty easy, the interviewers were nice, and I was asked to implement recursive Fibonacci and other easy coding exercises. There were also some statistics questions, but they were easy to explain, even just by using common sense. The only thing I didn't like was that I never got any feedback despite being told that I would.

Confirmed questions2 questions
  • Can you implement recursive Fibonacci in Python?
  • Considering two hospitals, one with a high volume of monthly births and another with a low volume, where would you be more likely to observe a greater number of male births in a given month?

Bitdefender Interview Questions

Quoted word for word from Bitdefender interview reports.

Given a linked list, delete all the nodes that have even values.

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Could you determine the count of valid IPv4 addresses within a given string of characters, ensuring an O(n) time complexity for the solution?

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Additionally, how can one determine if a file is an executable?

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How do I determine if a PC has been infected with viruses?

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Considering two hospitals, one with a high volume of monthly births and another with a low volume, where would you be more likely to observe a greater number of male births in a given month?

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How would you find the single duplicate number in an array?

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Formats, difficulty and experience

Across all 51 Bitdefender interview reports.

Interview formats

Technical 40.4%
Behavioral 26.6%
Coding 21.1%
Other 5.5%
Presentation 5.5%

Interview difficulty

Easy 11.8%
Average 70.6%
Difficult 17.6%

Candidate experience

Positive 58.8%
Negative 15.7%
Neutral 25.5%

Reports by job function

Engineering 34
Operations 5
Sales 3
Analytics 2
Marketing 2
Research 2