I applied online. The process took 1 day. I interviewed at Congruent Solutions in Aug 2025
Interview
AI Interview. C#- oops
microservices-
solid
sql-cursor, subquery
Resume-explain project.
Code--
Implement routing in a .NET Core application to serve static files.
1
Example 1
Input:
Request a JPG file
Output:
Image served
2
Example 2
Input:
Request HTML file
Output:
Page served
Interview questions [1]
Question 1
You are given an n x n 2D matrix representing an image, rotate the image by 90 degrees clockwise.
1
Example 1
Input:
[[1,2,3],[4,5,6],[7,8,9]]
Output:
[[7,4,1],[8,5,2],[9,6,3]]
2
Example 2
Input:
[[5,1,9,11],[2,4,8,10],[13,3,6,7],[15,14,12,16]]
Output:
[[15,13,2,5],[14,3,4,1],[12,6,8,9],[16,7,10,11]]
