Make responsibilities clear as soon as you enter a project. The closer you get to management the more overlap between responsibilities there are (e.g. you don't

Make responsibilities clear as soon as you enter a project. The closer you get to management the more overlap between responsibilities there are (e.g. you don't want to redo what the PO or the architect are doing). Also there is a difference between tech and team lead. Team lead is more about mentoring and project management whereas tech lead is more about ownership of the tech afaik.