Recently we were doing interview rounds for a senior developer role.

A 4 year experienced candidate explained exactly how they would fix a data warehouse problem for recommending content.

Youd think he was an experienced dev based off his response.

Turns out due to the wild amount of resources available on leetcode, cfg etc he was already exposed to a whole plethora of questions.

Problem is when dealing with brand new problems how would they go about solving it? In my experience that's become a lot harder to deal with.

Meanwhile a candidate we interviewed with 9 yoe could hardly even begin to solve the same problem.