Sent application online.

Received a 2-3 hour coding challenge on HackerRank a week later.

Completed challenge and was asked to schedule an interview.

Phone interview with a developer. Asked similar questions to other posts I've seen on Glassdoor. Didn't do very well on the programming question; it's uncomfortable holding a phone call while writing code.

Received an email some time later letting me know they had already filled their quota.

Object-oriented design questions.

Questions on concurrency.

How to return the median value from an integer stream.

Programming question:

Something to do with returning an item with a specified probability. Also asked how I would test my code.