Recruiter did not respond to initial email sent to input availability. No response after that and didn't even get a chance to have a phone screen, very unprofessional, especially given email was opened twice after follow up.

Portfolio Review, walkthrough one project and describe your design process. Clarify trade-offs, pain-point findings and responsibilities for your role in the project. 20 minute behavioural questions first + breakdown on how Thumbtack design team is structured, then 20 minute portfolio interview.