Php 4/5

- Strong knowledge of php programming

- Code performance optimization

- Good understanding of algorithms
Web security and usability

- Object Oriented Programming (OOP)

- Regular expressions

- Model View Controller (MVC)

- Paypal (WebPayments Standard & Pro), EWay, Moneybookers payment integration

- Wordpress custom themes



MySql databases

- Strong knowledge of MySql and relational databases

- MySql database design,optimizing schemas, queries and indexes

- Working with large MySql databases

- Partitioning
Replication topologies (master-slave, master-master)

- Replication delay solutions

NoSQL
- Memcache - instalation, usage & configuration

- Redis - instalation, usage & configuration


Javascript
- DOM scripting, event handling

- Creating reusable code

- Ajax, jQuery, Scriptacul