>> if they have open source (or if an internal transfer, internal) code I can review.

I give you a lot of credit for doing this. When I was still in development, I had a pretty robust github page, a sizable portfolio of stuff I had built and other side projects I was working on with various other platforms like Salesforce.

Not once did an interviewer review any of that. I would find myself referring to my github page several times over during the interview. I got so frustrated with interviewers asking me how to do simple things in interviews, I finally walked out of several and told them if they had just taken five minutes and looked at any of my github projects, they would've saved themselves a lot of time asking stupid questions about basic stuff.