Back end PHP developer required

General information for the website: Database development for finance broker
Kind of development: Customization of existing website
Description of requirements/features: You should be a back-end (PHP) developer primarily. But robust, contemporary and framework-agnostic front-end (HTML, Sass, CSS, JS) skills should be at least on your spectrum of skills.

You will have:

* 3+ years experience working on bespoke PHP projects - using OO (Object Orientated) methodologies and working without a framework;
* Experience writing, maintaining and optimising complex mysql queries;
* Experience using XML and JSON to send data to, and parse data received from third party APIs;
* Understanding of common script vulnerabilities and security risks (XSS, sql injection, CSRF etc);
* Experience working to PCI (DSS) compliance standards;
* Familiarity using SVN and GIT Version Control Systems;
* Basic understanding of LAMP server configuration - sufficient to set up a project locally with minimal guidance;

Nice to have:

* Understanding of Javascript (or jQuery) and progressive enhancement;
* Responsive HTML/CSS front-end build experience;

To apply please submit a recent example of your work. This should include at least 1 php script demonstrating some or all of the required skills above.
Extra services needed: Security
Extra notes: