Very fast and pleasant interview process.

Hard phone screen, but once past that, the interview was very engaging and professional. The interviewers seemed experienced in engineering and passionate about their work.

However, expectations were somewhat unclear, and no feedback or reason for declining was given, even after inquiry.

Open-ended question about software design, using architectural patterns and data structures. The question evolved as the interview progressed.

Rapid UI prototyping in JS. Given a small design problem, produce a bare-bones JS mockup of an interface in a live coding environment.