Developed and maintained web applications using PHP, MySQL, and JavaScript. Implemented responsive design principles to ensure cross-browser compatibility and optimal user experience on various devices. Additionally, integrated third-party APIs to enhance application functionality and improve data retrieval processes.

Development of specialized software.

Developed and maintained web applications using PHP, MySQL, and JavaScript. Created and optimized MySQL databases, including schema design, indexing, and query optimization. Implemented complex queries and stored procedures to improve application performance. Managed code versions using Git, collaborating with team members through platforms like GitHub or GitLab. Implementing security best practices, including input validation, SQL injection prevention, and secure session management. Created and maintained comprehensive documentation for code, APIs, and system architecture.

Development of an online women's clothing store using own CMS work on PHP and JS. Implementing e-commerce features such as product catalogs, shopping carts, payment gateways, and order management systems. Integrating third-party services like payment processors, shipping providers, and analytics tools. Optimizing web application performance through caching strategies, database indexing, and efficient query optimization. Implementing security measures to protect against common web vulnerabilities such as SQL injection, XSS, and CSRF. Conducting security audits and penetration testing to identify and mitigate potential security risks. Implementing RESTful APIs to facilitate communication between the frontend and backend.