Improve Where Appropriate, is one of the Rules of Engagement, I like from Orcas blog on the best practices of joining a Development team.
Some of the concepts of improvement (using wikis, maintaining a programming journal) have long term rewards, it is more work initially. So to “improve where appropriate”, we may also need to demonstrate how a particular improvement benefits the team.
I never thought about it this way, but you need to be salesman, even if you are developer. So I will add one more to the list:
– Learn how to sell improvement