JPMorgan Chase

is hard as tech company interviews, but the annoying part is it’s not standardized like LeetCode is. At least with tech companies, you expect a general format, so studying for one means you study for multiple. JP, on the other hand, will depend on th

I had an interview with the team I'd work with. I had to show knowledge about my engineering stack and show people I would work with that I could be useful.

Fair. Ask some questions about RESTful APIs. Ask your behavioral questions and how to process when you have conflicts with your manager. It is a relatively straightforward technical interview.