One may have another job showing remarkable promise (4-3)

I believe the answer is:

semi-pro

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'one may have another job' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'remarkable promise' is the wordplay.
'remarkable' is an anagram indicator.
'promise' with letters rearranged gives 'SEMI-PRO'.

'showing' acts as a link.

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I've seen this clue in The Guardian.

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