A list of the engineering, design, etc contests that I know of here, for future reference.
This focuses on contests that are among one or more of the following categories
- Students/Corporates/non-students
- Allow international participation
- Have some kind of prize associated with them
Engineering
Hack-a-thon style
Programming
- ACM ICPC - The mother of all coding competitions and probably the single toughest and most prestigious in the world.
- CodeSprint
- Facebook Hacker Cup
Training/Practice for programming contests