I work there; I'm working on it
J'essaye une nouvelle recette, j'y travaille encore.
I'm trying a new recipe; I'm still working on it.
— Blade Runner 2049 (2017)
I'm already working on it.
J'y travaille aussi comme veilleur de nuit.
I also work there as a night watchman.
— Le Frère 2 (2000)
J'y travaille depuis des années.
I've been working on it for years.
But I'm working on it.
I'm still working on it.