Required skills:

1. Strong knowledge of Core PHP
2. Understanding the fully synchronous behaviour of PHP
3. Strong knowledge of front-end technologies, such as JavaScript, JQuery, JSON, HTML, Leaflet, Google Maps API and CSS3
4. Knowledge of object oriented PHP programming, REST API.
5. Understanding accessibility and security compliance
6. Strong knowledge of the common PHP or web server exploits and their solutions
7. Understanding fundamental design principles behind a scalable application
8. User authentication and authorization between multiple systems, servers, and environments
9. Integration of multiple data sources and databases into one system
10. User authentication and authorization between multiple systems, servers, and Familiarity with limitations of PHP as a platform and its workarounds.