Actually a little bit of Python/PHP is fine..... even if you need to learn more depends on what kind of facilities you want at backend. I'd suggest you to get h

Actually a little bit of Python/PHP is fine..... even if you need to learn more depends on what kind of facilities you want at backend. I'd suggest you to get hold of learning some Web-App framework (as Django, or WebPy for Python) which would ease up most of basic setup for you and keep you in design level constraints required for a web-app.