You will go through around 2-3 interviews the final being a presentation where you present one of the products to the team and they will make their final decision based on presentation skills and your performance on previous calls.

I applied at Afrotech conference, they reached out to me a week later by email. This followed with a phone call interview. The job wasn't for my due to location, but they notified me a couple days later if I got the position or not.