Adhoc Full Stack PHP Web Development on a live complete website

Ongoing, we are wanting to work with the right person to give us adhoc assistance in posting Google Tag Manager code, content updates, implement SEO changes etc. 3+ years experience as a lead software engineer or architect A real grasp of the benefits of agile and lean Experience with AWS hosting, security and SEO. Significant experience with REST API's - building scalable web services on cloud infrastructure. Database management knowledge, with SQL Experience in senior level stakeholder relationships and negotiations. Understanding of web, mobile, native, data, and analytics/reporting. Experience with touch user interface, Android or iOS. At least 3 years using PHP - we have a custom coded site using a Yii framework. Git, HTML, and CSS. 1+ year with Relational Database design and optimisation (especially MySQL) API Partner integration Third Party Payment Integration and Management Management of existing automated processes Building quality, scalable code (PHP). Framework upgrade experience