The phrase "a huge effort in" is correct and usable in written English.
It can be used to describe a significant amount of work or energy put into a particular task or project.
Example: "The team put in a huge effort in developing the new software, ensuring it met all user requirements."
Alternatives: "a significant effort in" or "a considerable effort in".
"So we are putting a huge effort in.
But they are determined to mount a huge effort in the by-election triggered by Mr Reckless departure to Ukip.
On the other hand, Costco has made a huge effort in recent years to lure customers into its stores more often.
"We make a huge effort in making sure it's right," said Mike DeVault, the lead designer for Nascar '09 and a designer of the '08 game, which has been out since July.
Larry Baer, the Giants' executive vice president, recognizes that an All-Star Game is going to receive a huge effort in New York and should not prompt second-guessing about past marketing.
"Certainly there are some core elements carried over from prior games, but we've invested a huge effort in retooling our tech to take full advantage of the Xbox One's hardware and ecosystem to create worlds and experiences worthy of next-gen".
He has put a huge effort into promoting it in Whitehall.
The development of registerial cartography is still only in very early stages because there is a huge effort involved in developing the kinds of maps I have sketched above — even though I have focussed mostly on field of activity and logico-semantic relations.
This may mean the same as putting off immigration reform as there already has been a huge effort invested in climate change legislation and Senator Schumer has not been as organized or focused on the immigration bill that must come from his committee.
Francis Elliott in the Times (paywall) says the Conservatives are putting in a huge effort to burst the Ukip bubble in Newark.
Once again, his team-mates put in a huge effort to put him in the right place and once again he rewarded that effort with a lung-burning charge up the Champs-Elysees, leaving Sagan and Greipel to admire his celebrations.
