Slava K.

Web-based platform for life insurance companies to manage and optimize pricing strategies. Enables product comparison, competitor data management, rate calculations, and analytical reporting. Includes Excel export, funding rate management, and a multi-step approval workflow with role-based permissions. Developed core front end in React + TypeScript with Zustand for scalable state management. Built modules for manual/automated rate calculations and competitor product comparisons. Designed approval flows with configurable access, integrated Keycloak authentication. Created user management dashboard for role and department control. Integrated .NET API and optimized data handling via TanStack Query. Implemented responsive UI with Ant Design, adhering to accessibility standards. Used Docker, Vite, ESLint, Prettier for deployment and code quality. Leveraged AI tools (Copilot, ChatGPT, Cursor) for faster refactoring and logic validation. Stack: React, TypeScript, Zustand, TanStack

Television website featuring banner, article rating, commenting, and recommendation systems. Built modular, scalable UI with React and TypeScript. Developed dynamic banner system with ratings, timers, randomizer, and analytics tracking. Created article rating and commenting systems to boost engagement. Implemented recommendation engine suggesting related content from user behavior. Developed “important news” tagging and real-time news prioritization tools. Enhanced SEO and load speed using Next.js with SSR optimization. Integrated Cosmos DB for managing comments, ratings, and personalized content. Set up testing with Jest and Playwright, CI/CD with Docker and Vite. Maintained consistent UI through Storybook and enforced clean code via ESLint and Prettier. Used AI tools (Copilot, ChatGPT) for faster development and refactoring. Stack: React, TypeScript, Next.js, Node.js, Docker, Vite, Jest, Playwright, Storybook.

Developed user-facing and admin modules for a major TV-based online shopping platform. Built responsive interfaces for customer accounts, supplier portals, and checkout flows using React and TypeScript. Implemented mobile app features with React Native for iOS and Android. Integrated third-party and internal APIs for order processing and payments via Axios and Swagger. Designed dashboards and tables using ReactDataGrid Enterprise and VictoryChart for intuitive visualization. Enhanced UX with Material UI, Reactstrap, and MUI Toastify, improving satisfaction and engagement. Migrated legacy desktop apps to web, improving scalability and maintainability. Managed app state with Redux Toolkit and optimized performance through bundle reduction and refactoring. Integrated Apollo Client for GraphQL data management. Contributed to CI workflows, code reviews, and QA cycles, supporting higher conversion rates post-launch. Stack: React, TypeScript, React Native, Apollo GraphQL, MUI, Redux, Axios