You can take look Amazon's leader principle which going to help you to prepare the behaviour questions.. nothing surprise
Customer Support Engineer Interview Questions
1,128 customer support engineer interview questions shared by candidates
Reverse a string
App Interview (Step1) - Describe some code you are most proud of? Write a method that takes in two strings and compares them and returns a boolean ( any language) Code presented : you had to check for errors
General web framework questions and some simple white-boarding sessions on data structures and algorithms
How do you deal with angry customers?
Tell me about your experience
To reschedule the interview .
Sql unix customer facing etc
Take a Character Map and encrypt strings that match the requirements.
Aptitude Test, How do you work, Personality Tests
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