SummaryExperienced CTO with over 15 years of professional experience in team management, IT infrastructure administration, PHP programming. Proficient in MySQL database design and optimization, bash programming, nginx and apache configuration, and statistics and big data analysis. Skilled in using common third-party APIs and web services, and knowledgeable in programming patterns and best practices. Involved in project management, solving challenging tasks, conducting data analytics, and performing security audits.Experience:CTOSimplyBook.me | 2009 - PresentLeading technical strategies and overseeing the development team.Managing complex technical challenges, data analytics, and security audits.Enhancing system architecture and scaling the platform to support growing customer demands.Project ManagerNotando Ltd. | 2007 - 2009Led the development of Notando's accounting, invoicing, and webshop solutions.Managed multiple projects simultaneously, ensuring timely delivery and adherence to client requirements.PHP DeveloperRemote Program Production Project | 2004 - 2007Developed and maintained PHP-based projects for various clients.Focused on optimizing backend code and ensuring system performance.PHP DeveloperUniversity | 2004 - 2007Managed a team of students to create an online exam system, improving the evaluation process.Delivered high-quality code to meet academic requirements and streamline testing.TeacherDonetsk National University | 2006Taught the basics and methodology of software development to students.Prepared coursework and facilitated student projects to help them apply software development principles.EducationMaster of Science in Applied Mathematics and Theory of ElasticityDonetsk National University, 2005Skills* PHP Programming (10+ years)* Load balancing* Linux Server Administration* Bash Programming* Elastic cloud / opensearch* Nginx and Apache Configuration and Performance Optimization* MySQL Database Design and Optimization* Statistics and Big Data Analysis* Common Third-Party APIs and Webservices* Programming Patterns and Best Practices* MS PowerBI* Project Management* Team Management* Security Audits