http://blog.auth0.com/2014/01/07/angularjs-authentication-wi...
Jose Paddilla is using it with django and he wrote a blog post:
http://jpadilla.com/post/73791304724/auth-with-json-web-toke...
and he wrote the backend for django:
https://github.com/GetBlimp/django-rest-framework-jwt
I hope this help you.