Search contacts date/datetime/int fields with = and <=,>=,=,>,< operators

My idea is:

be able to do searches like this:
some_datetime_field<2020-08-19 14:24:32

I think these groups of people would benefit from this idea:
People needing to take one time actions on contacts based on those operators.

Why I think they would benefit from this idea:
Because creating segments and campaigns to perform actions on large sets of contacts is a pain now.

PS: this would not be useful unless this is done too:

Any code or resources to support this idea:

Are you willing to work on this idea?:

What skills and resources do you need to explore this further?
I’m not sure I have to find the current contact search code area of Mautic.

There was a segment tester plugin with similar functionality: