youwill have an exam including C language (struct,point out which code line has bugs),linux command and linux boot flow and then you have an interview with one manager and talking about past working exp and this job's content
You need to take a exam at the beginning. This exam would test you some really basic knowledge about C. After the exam, you would interview with a team leader.
I applied through an employee referral. I interviewed at Insyde Software in Jan 2018
Interview
Should have basic knowledge of industrial specs. Pcie Uefi memory superio acpi. Basic c skill, logic gate related knowledge. Also basic English skill is required. This is basically what will face. For more advance job, interview will focus more on Uefi related know how.