Phone screen: easy matrix question. Onsite: two coding/ system design and one domain related. Last was interview with hiring manager. Make no mistake the last one is what decides your fate. This guy wants rigid body dynamics guy but has never mentioned it in the job posting which would save a lot of time. Anyways I derived the entire bicycle model and obtained force and moment balance equations from scratch for three reference points: com, rear center and front center. I don’t know what is there to check in a candidate for rigid body dynamics when hiring for software position. These are established models and should have been implemented long back. Also if you want wheel encoder, propulsion system and actuator dynamics thats GM proprietory info. The hiring manager surely does not have a clue of what he is doing.