Develop and support language learning platform frontend with React and TypeScript;Improved frontend performance, added support of next-gen image formats;Refactored and developed new learning games with animations using Framer Motion library and updated games flow;Refactoring and improvements of frontend testing using react-testing- library;

Developed and optimized user interface of CRM web application;Rewritten UI class components for using new version of Material UI components library, improved frontend performance;Developed new custom scrollbar and view history using Redux;Rewritten old backend Go projects into NodeJs applications using Koa.js;Developed a new bonus management functionality in the CRM system.Work with backend:Developed NodeJs application for sending and managing sms using Infobip and Redis for sms messages queue;Developed a gate for SMS Sender api internal usage;Developed a module for synchronization customers communications with the CRM system using SenderMobi and Corezoid;

Developed web pages for company partners with pure HTML and JS(JQuery);Developed many HTML template pages for ecology documents used in EcoBalance applications;Developed module for C# application for vehicle ecology documentation;Technologies: HTML/CSS, JQuery, C# Windows Forms;