作为没有项目管理的开发人员，避免范围蔓延的最佳方法

I'm a s/w developer in a small internal IT department within a financial firm and have worked on a number of small-medium sized projects that have had little or no project management throughout. This seems to always result in scope creep and therefore not meeting deadlines and having to sacrifice good design/code to satisfy users/managers in the short term.I'm a s/w developer in a small internal IT depa