They gave a programming assignment that seemed simple. If you've worked in trading long enough you've probably done it. But it’s clear from the spec that Vatic doesn’t understand floating point error and their automated system breaks if you pass it your own Makefile. Vatic also didn't answer my questions until 2 hours after the submission deadline had passed. They wasted my time.

There was a phone screen, which was then followed by take home C++ project followed by hacker rank on-site. Recruiter was very friendly, but project was time consuming and technical interviewer was abrasive.