Colleague in my team who is a lot more junior than me and I sometimes manage in a team (but I’m not their line manager), can be cocky. I an female and they are a younger male if it makes any difference. He is also good at his job.
I ended up working late on a task and he messaged me after to thank me (patronising?) and then messaged me asking me to pick up another task today as he was so busy. I was a bit hmm about his phrasing as he asked if he could “let me pick up the task” as he was so busy - “let me”?
how would you deal with someone like this? Nothing big so far but lots of small incidents like the above where it is clear he is desperate to progress and really lacking in humility.