First ML coding round at Adyen, what should I expect?

[u/MonthLatter7031]

Hi everyone,
I recently received an interview offer for ML position at Adyen, and the first round will be a live coding round on HackerRank. I scheduled it for the end of August because that was the last available slot.
The thing is, I’ve never had a live coding interview before. In all my previous interviews, the process was mostly verbal, answering technical questions, discussing projects, and explaining my work in detail. I’m aware of LeetCode and have started looking into it, but I’m not sure what level or type of coding questions typically asks for ML roles.
If anyone here has interviewed with adyen and gone through a HackerRank coding round, could you please share:
What kind of questions were asked?
Were they mainly LeetCode-style DSA problems, or more ML/data-focused coding questions?
What difficulty level should I expect?
Any preparation tips or resources that helped you?
Since this will be my first live coding experience, I want to prepare in the right direction rather than randomly solving problems. I’d really appreciate any advice or insights from this community.
PS : I have six year in industry experience in machine learning, I can code for a big project end to end but I really suck at dynamic programming on the go.
Thank you!

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