If you are a new designer (perhaps with no designs in your portfolio and no customer feedback) you can create a basic 'Hire me' widget.
Here's what a basic 'Hire me' widget looks like:
These widgets do not require you to have any designs in your portfolio so far!
Here's how you create a basic 'Hire me' widget:
1) Visit the create widget page
2) Select 'Performance stats' (even if you have no statistics)
2) Uncheck 'Show your submission stats' and 'Show your ranking'
3) Click the 'Preview Your Widget' button