This was for a mid-career position!
Nothing really out of the ordinary. I don't like questions like "What was your biggest challenge?" etc. They seemed to care only about my work experience and didn't ask about my university (graduated 1.5 years ago) or after-work projects.
The following metrics were computed from 75 interview experiences for the Rakuten Software Engineer role in Tokyo.
Rakuten's interview process for their Software Engineer roles in Tokyo is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Rakuten's Software Engineer interview process in Tokyo.