Projects are automatically sorted by year (latest first) in your resume and projects tab. However, you can move them around to position them in any order you want.
To do so:
1) Log in
2) Click Resume
3) Click Work & Credits
4) Click and drag the handle next to the project to move it up or down the list
TIP: Projects are grouped by categories in your resume. To sort the categories, click on "Edit Categories" while editing your resume.