Too Long; Didn't Read
The most successful software engineers are able to manage expectations the best when it comes to scoping work. Don’t work too hard, not working too hard. Track your work ahead of schedule and find time to help others in need. Product Managers use your estimates to communicate a delivery date to even more important stakeholders. Don't overpromise and overdeliver, but you are actually doing them favor. Track down the importance of tracking your work and asking people about how much work you do.