Is this a sign of interest?

I have a crush on my coworker and I don’t know if this is friendly or something else.
We have a smaller group chat with some of our closer coworkers.

My crush takes photos of me (as frequently as once a week) and sends it to the group chat. Along with captions like “doing such a good job”

He doesn’t do that to other girls or guys in the group chat.
Is this a sign of interest?
Add Opinion