python security proof of concept

This small project(a proof of concept) is part of web application. I am looking for a programmer good in AngularJS and python Flask framework. The application is based on restful architecture. [1]The front end will have following pages/views: public views: home, log in and about protected views: users list, property(house) list [2]The application must implement Role based security: Admin Role can CRUD users and property User Role can edit user, and view property list anonymous user can view property list, and register [3] The user will login with open id. [4] The front end will be implemented with AngularJS and twitter bootstrap. The back end will be implemented with python Flask, Flask restful, Flask login, and SQLAlchemy. There is a unfinished prototype in [login to view URL]