Crossword Genius

Job of someone building piles is making sense (8,2)

Ross

I believe the answer is:

stacking up

I'm a little stuck... Click here to teach me more about this clue!

'making sense' is the definition.
(if something stacks up it makes sense)

'job of someone building piles' is the wordplay.
I cannot quite see how this works, but
'someone' could be 'king' (king is a kind of someone) and 'king' is found within the answer.
This may be the basis of the clue (or it may be nonsense).

'is' acts as a link.

Can you help me to learn more?

I've seen this clue in The Telegraph.
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