purple squirrel
C2CEFR level
90/100Rarity: very rare
TechnicalRegister
A candidate whose ideal blend of skills, experience, and price is so perfect as to be practically nonexistent.
This req reads like they're hunting a purple squirrel: ten years in a five-year-old technology, at a junior salary.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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