Fortinet interview experience Real time questions & tips from candidates to crack your interview
Principal Embedded Software Developer
Fortinet
2 rounds | 5 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 6 months
Topics: Data Structures, Pointers, C/C++, OOPS, Algorithms, Operating Systems, DBMS, Computer Network
Tip 1 : Practice at least 200+ medium level questions
Tip 2 : Be prepared with pointers in C/C++
Application process
Where: Company Website
Eligibility: No criteria
Tip 1 : Have at least one project on your resume which relates to the job profile.
Tip 2 : Mention all tech stacks you have used or implemented in your projects.
Interview rounds
01
Round
Easy
Online Coding Test
Duration45 minutes
Interview date1 Mar 2021
Coding problem1
Interview time - 3 pm (IST)
The interview started with the introduction of both, then asked about my internship experience and my projects I have done.
Then asked some question based on string and pointers.
The interviewer was meri humble and supportive.
1. Reverse the String
Easy
15m average time
85% success
0/40
Asked in companies
You are given a string 'STR'. The string contains [a-z] [A-Z] [0-9] [special characters]. You have to find the reverse of the string.
For example:
If the given string is: STR = "abcde". You have to print the string "edcba".
follow up:
Try to solve the problem in O(1) space complexity.
02
Round
Medium
Video Call
Duration60 Minutes
Interview date10 Mar 2021
Coding problem4
It was technical +hr round.
1. Ways To Make Coin Change
Moderate
20m average time
80% success
0/80
Asked in companies
You are given an infinite supply of coins of each of denominations D = {D0, D1, D2, D3, ...... Dn-1}. You need to figure out the total number of ways W, in which you can make a change for value V using coins of denominations from D. Print 0, if a change isn't possible.
2. Print Permutations - String
Easy
30m average time
80% success
0/40
Asked in companies
You are given an input string 'S'. Your task is to find and return all possible permutations of the input string.
Note:
1. The input string may contain the same characters, so there will also be the same permutations.
2. The order of permutation does not matter.
3. Networking Questions
How to check if a port is opened of a server?
How to reduce network traffic?
4. Basic HR Questions
Why should we hire you?
What are your hobbies?
Are you a team player?
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is the best case time complexity of Bubble Sort?
Choose another skill to practice
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