I applied through an employee referral. The process took 2 weeks. I interviewed at IBM (Ottawa, ON)
Interview
2 interviews 1 hour long each, second one only if first one went well. All technical.
Challenging but answerable questions. Nice campus in Ottawa. Friendly interviewers and gave advice as well. Some preparation will go a long way. Don't be afraid to ask questions. Explain thought process and reasoning as well.
Interview questions [1]
Question 1
How is the vtable implemented C++.
Implement string compression
Some embedded stuff.
I applied through an employee referral. I interviewed at IBM (Bengaluru) in Jun 2023
Interview
Started with what is current project and role and what type of work done. Then C++ advanced concepts asked like multi-threading, smart pointers, design patterns with hands on code during the interview. Make files, static and dynamic libraries were asked.
Interview questions [1]
Question 1
Implement the shared smart pointer. Write copy constructor and assignement operator overloaded. Write Singleton class.
I applied through a staffing agency. The process took 2 days. I interviewed at IBM (Bengaluru) in May 2021
Interview
A WebEx interview was scheduled by Mindtec Technologies with IBM
A reminder call was given half an hour before the interview
Interviewer was friendly, it was a positive experience.
Provided feedback and suggestions
Interview questions [1]
Question 1
-Briefly explain your work experience
-rate yourself in C++ expertise
-OOPS concepts
-shallow v/s deep copy
-what is malloc
-malloc v/s new
-Compare Union, Structure, Class
-Access specifiers
-what is the default access specifier in a class
-Types of constructors
-how a copy constructor works
-what are provided by default in a class (constructor,...)
-Can a constructor be private
-Purpose of singleton class
-Friend class & function
-virtual class & function
-Sizeof( class A{} )
-How to find number of objects created so far
-static member
-what are vectors
-data structures
-did you have to create & implement any data structure
-Linux/Scripting
-how to list hidden files
-how to find a file
-touch command
-what happens if touch is used on existing file
-vtable
-are you familiar with debugging tools like GDB
-are you familiar with versioning tools like git