Classic interviewm several rounds and then they can hire you or not depending of their willingness, I would recommand to learn about the role before the interview it can definitely help.
I applied through an employee referral. The process took 3 days. I interviewed at TECOSIM (Cluj-Napoca) in Aug 2021
Interview
First they presented me the company and company vision, and after that the interviewed consisted of general strength of materials and general engineering questions, like measurement units and a discussion about myself and the projects I was involved until then.
Interview questions [1]
Question 1
How would you strengthen up the following structure?
How would you model the following geometries in FEA?