Thermo Fisher Scientific Software Development interview questions

Short 30 minute preliminary phone interview with HR. What technologies do you know, where do you go to school, GPA, resume, ect. Three-hour interview with 4 members of the engineering team. First two talked about the product and what the team was working on, asked some general questions. Third was more technical, a question about inheritance, one about recursion, one discrete math word problem. Last mostly just answered my questions and asked a lot about what technologies and tools I was familiar with. The entire process was very smooth and efficient, I heard back from them about a week after each interview. It seemed like the engineering team was a lot more focused on seeing if a I would be a good cultural fit and was self-motivated and interested in what the team was working more than if I could answer every technical question correctly.