Register on their website. Submit documents (resume) and write an essay for them. There's no need for a cover letter.
All that's left is to wait for them to call. No coding test, nothing complicated.
Stuff about your project and AI stuff.
The following metrics were computed from 1 interview experience for the Sony AI Researcher role in Japan.
Sony's interview process for their AI Researcher roles in Japan is extremely selective, failing the vast majority of engineers.
Candidates reported having mixed feelings for Sony's AI Researcher interview process in Japan.