Important to prioritize how excited you are to work for Start-Ups specifically - if you just talk about general interest then they will look negatively upon your app. There is an excel task where you are asked to make the case for why a company should chose a strategy over another, and use date provided to support.

Friendly and short - in general this was quick, each step within a few days, All carried out remotely, I heard within 2 weeks. Expected interview questions, nothing out of the box.