4 interviews in total.
one with manager
one with signal expert in team
Asking about Matlab and signal processing (eye diagram, different filters that applied to the channel)
one with codding expert in team
Asking about Python programming skills
one with PCB expert in team
Asking about what software I used for my IoT project and how I use my codding skills to write drivers.
(Of course, most of the topics are related to my resume and the projects I did)