C Engineer Interview Questions

3,798 c engineer interview questions shared by candidates

They focused mainly on OOPs concepts, asked me to write a code example for polymorphism, some basic questions on Qt/QML, like explaining signals and slots with an example, and also asked about backend integration with C++.

C++ Qt Engineer

Interviewed at WESEE (India)

2.7
Apr 28, 2025

They focused mainly on OOPs concepts, asked me to write a code example for polymorphism, some basic questions on Qt/QML, like explaining signals and slots with an example, and also asked about backend integration with C++.

Hacker Rank Questions: 1. , Given the arrival and departure times of the flights, find the minimum number of gates needed at an airport. 2. Given a String of uppercase and lowercase letters (e: AABbCBbc), return the index of the lowercase letter in the last pair or return -1 if there are no pairs (would return 6 for my example). Additionally, the solution must be O(input).
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C++ Developer

Interviewed at Fidessa

3.7
Jun 30, 2018

Hacker Rank Questions: 1. , Given the arrival and departure times of the flights, find the minimum number of gates needed at an airport. 2. Given a String of uppercase and lowercase letters (e: AABbCBbc), return the index of the lowercase letter in the last pair or return -1 if there are no pairs (would return 6 for my example). Additionally, the solution must be O(input).

Coding: 1. Number of gates required given the arrival and departure time. 2. Find matching pair(kind off matching parentheses question.) One way video: 1. Why Fidessa? 2. What do you bring to Fidessa and its development team? 3. What is your favorite programming language and why?
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Software Developer (C++)

Interviewed at Fidessa

3.7
Apr 8, 2017

Coding: 1. Number of gates required given the arrival and departure time. 2. Find matching pair(kind off matching parentheses question.) One way video: 1. Why Fidessa? 2. What do you bring to Fidessa and its development team? 3. What is your favorite programming language and why?

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