PHP MOSAIC GENERATOR SYSTEM + VIEW & SOCIAL SHARING SCRIPTS

Looking for an experienced PHP developer that also has experience with JS or JS frameworks / plugins. Technologies required: PHP, MySQL, HTML 5, Java Script Requirements: - Mobile first approach (all technologies used must perform well on mobile) - Must be able to create an index of pixel colors and positions for an image of minimum 1000x1000 pixels dimension (source mosaic image) and store this index in the DB and the image on the server; - Must be able to compare this index to another data (top 5 predominant colors in the exif thumbnail of each image submitted by the user) every time a user submits an image to be integrated in the mosaic – there can be multiple submissions at the same time so this must work even with multiple submissions; - Must be able to crop images submitted by the user on the front-end; - Must be able to store some basic info about the user in the database and validate email uniqueness when he submits an entry; - Must be able to place each image into it’s best matched location on the grid according to the index of the source mosaic image and users must be able to view this grid of images (anyone can view it) and zoom into it (from pixel size, meaning you see practically the original source image to 300x300px cells zoom level); - Any user must be able to touch/click on any cell and query the DB for the info assigned to that specific location. - Any user must be able to share the content of any cell on different social media platforms using a service like SHARE THIS;