I have implemented more than 10 projects of various sizes, including full application design from scratch, working on requirements analysis and specifications, issues detection, analysis and resolving, coding, testing, performance, code improvement and maintenance with producing concise technical documentation and providing technical leadership. Have extensive experience in web application scalability tuning, especially SQL statement performance, MySQL indexing, and PHP function profiling. Maintain understanding of current web technologies or programming practices through continuing education, reading, or participation professional conferences, workshops or groups.