Applied online. Received an email expressing interest 3 days later. Received a phone interview after a week. Phone Interview Questions: How do you define Object-oriented programming? What's the difference between C and C++? What's the difference between TCP and UDP? What is a mutex? (Have you done any parallel programming?) I received an email to set up an on-site interview after one week from the phone interview. In person Interview Questions: swap an int (whiteboard) reverse a linked list (whiteboard) difference between shallow/deep copy byte swap (perform it) "What is a semaphore?" Simple Compression Algorithm (whiteboard. "aaabbcccc" becomes "a3b2c4") Check if string of parenthesis/brackets are well-formed. As in for every open paren/bracket, there is a close paren/bracket (whiteboard) What is blackbox vs. whitebox testing? Explain a use for Linux's "sed". How can a static member data be used? (singletons, etc.)