• Worked on a high-load commercial product, including optimization, implementation of new features, and refactoring.
Technologies used:
• Frontend: ReactJS (Redux Toolkit, React Query), TypeScript, CSS Modules, Jest, Enzyme, React Testing Library

• Developed a set of interfaces displaying aggregated, impersonal consumer preference data for popular product categories.
Technologies used:
• Frontend: ReactJS (Redux, Hooks), TypeScript, Ant Design, CSS Modules, Chart.js.

• Implemented multi-interface management using WebSockets.
• Integrated and worked with map services(Leaflet API).
• Development of an update system
Technologies used:
• Frontend: JavaScript, HTML5/CSS3, ReactJS (Redux), NextJS, Bootstrap.
• Backend: Node.js, MongoDB.

• Developed, maintained, and revised web portals using the YII2 framework.
• Created various modules for the billing control panel of the TATET portal.
Technologies used:
• PHP, MySQL, Git.
• Frameworks: Yii/Yii2 (Template Engine – TWIG).

• Developed and maintained projects of varying complexity using CMS.
• Modified WordPress modules.
• Configured and supported web servers.
Technologies used:
• PHP, JavaScript, jQuery.
• CMS: WordPress, Joomla, OpenCart, PrestaShop.

• Supported current company projects.
• Finalized the billing system.
• Customization of firmware for drones
Technologies used:
PHP, JavaScript (jQuery).

• Provided support for a fleet of 50 computers in the office (HelpDesk).
• Maintained mail servers (Kerio, Postfix).
• Set up equipment at retail outlets.