Sr. Web Developer (Backend)

Strong knowledge of PHP web frameworks (such as Codeigniter 3 etc depending on your technology stack) .
Understanding the fully synchronous behaviour of PHP .
Understanding of MVC design patterns .
Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3 .
Knowledge of object-oriented PHP programming .
Understanding accessibility and security compliance (Depending on the specific project) .
Strong knowledge of the common PHP or web server exploits and their solutions .
Understanding fundamental design principles behind a scalable application .
User authentication and authorization between multiple systems, servers, and environments .
Integration of multiple data sources and databases into one system .
Creating database schemas that represent and support business processes .
Familiarity with MySql databases and their declarative query languages .
Proficient understanding of code versioning tools, such as Git .

Integration of user-facing elements developed by front-end developers .
Build efficient, testable, and reusable PHP modules .
Solve complex performance problems and architectural challenges .
Integration of data storage solutions (may include databases, key-value stores, blob stores, etc) .