Sergei Diachenko

Frontend Developer @Usetech

Developed an interactive educational platform with React, Redux, and TypeScript, which played a key role in securing a subsequent client contract- Engineered WebSocket connections for dynamic data tracking, chat, and video calls- Collaborated continuously to QA teams, analysts, and product owners across multiple departments to enhance product development outcomes- Implemented user authentication using JWT tokens to ensure secure and efficient access control across the platform- Developed adaptive and interactive UIs using Material UI and Bootstrap to create an attractive and responsive design- Integrated third-party APIs, expanding functionality and improving user experience, which included personalization and adding new features.Achievements- Built an intuitive interface using React and the React ecosystem, enhancing functionality and user experience, which increased user satisfaction by 50%- Integrated Redux for state management within the project, improving the application’s maintenance and scalability- Integrated Stripe to manage one-time purchases and subscriptions, simplifying payment processes and boosting sales by 20%.