Applying candidate should -

Interpersonal Skills -
* be passionate about programming
* Good interpersonal and communication skills
* Loves challenges
* Motivated and hard working
* Ability and openness to learn quickly and apply the knowledge

Technical Skills -
* Experience developing applications using Object Oriented Programming (OOP)
* AJAX/JQuery knowledge for building validations and forms
* Experience developing complex MySQL database queries (joins, date/time functions, string functions) and knowledge of query optimization
* Good HTML/CSS knowledge for integrating code with designs
* Experience with open source frameworks (viz. CodeIgniter, Zend)
* Good to have but not mandatory -
understanding on APIs viz. Google Map, Payment APIs,  mod-rewrite rules writing for SEF URLs
ImageMagick and GDLibrary implementation experience