I applied online through a job board (LinkedIn, I think). A couple of days later, I was emailed regarding an online coding challenge. First, there was a code challenge, which was pretty easy.

Then, HR got back to me after two to three weeks for a phone interview. The phone interview consisted mostly of basic algorithm questions.

I heard back the next day for a three-hour video conference, which consisted of four meetings with engineers.

Whether a password is valid with several conditions:

• It must contain at least one vowel.
• It must not contain three consecutive vowels or consonants.
• It must not contain double consecutive letters, except for "ee" and "oo".