My time with The Chinese Room was helping the project correcting general graphical bugs like floating objects and fighting and dealing with collision issues found by QA.
While on F1 Manger with Hutch games I was dealing with outsourced environments preparing them to go into game and correcting any and all issues found with them both while also setting up for light bakes with UV mapping and the like.
My time on Screamride was optimization and bug fixing with one task editing 2k or so separate props allowing them to be correctly culled and collation along with other similar tasks.
I was on the project from pitch, prototyping and to the final ship of the game. my time ended up being blocking out for outsource then fixing and getting work into game.