This is the 1223rd most frequent Japanese word.
っぷり
"っぷり" is a suffix that expresses the state, manner, or degree of something.
In this sentence, っぷり is attached to 働き to indicate the manner or style of working.
彼の働きっぷりは見事でした。
His way of working was admirable.
Here, っぷり is appended to 演じ to describe the style or manner of the action of performing.
彼女の優れた演じっぷりが感動的だった。
Her excellent performance style was moving.
The term 手際っぷり employs っぷり to qualify the way or manner in which 'efficiency' is demonstrated.