Meaning of the word "backroom boys" in English

What does "backroom boys" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

backroom boys

US /ˈbæk.ruːm bɔɪz/
UK /ˈbæk.ruːm bɔɪz/
"backroom boys" picture

Noun

people who do important work but have no contact with the public

Example:
The success of the campaign was largely due to the hard work of the backroom boys.
The scientists working on the secret project were the real backroom boys.