I submitted my resume online on their website. A recruiter contacted me within two weeks.

Interview times are very flexible; they gave me a whole month to pick dates from. I had two phone interviews, 45 minutes each, back to back.

This was my first technical interview, so I was very unprepared. I will say, prepare well.

The first interview was not really hard, and the interviewer helped you a lot through the process. Think out loud while you are coding (on Google Docs); the interviewer will help you, and it allows them to analyze your problem-solving skills.

It consisted of some String-related questions, their efficiencies, and ways to improve your code.

The second interview was meant to be hard (as the interviewer himself mentioned). It was supposed to check your limits.

I will not disclose the questions, as I respect their policy. But know your Data Structures well! Like, really well. And also, the efficiency of algorithms.