Hennadii

HENNADII BIRCHENKO
JAVASCRIPT, REACT DEVELOPER

CONTACT PROFILE
Experienced front-end developer with over 4 years of expertise in building
[открыть контакты](см. выше в блоке «контактная информация»)
web applications. Proficient in React, TypeScript, Redux, and Redux-Saga.
Ukraine, Cherkassy Successfully delivered high-performance projects, created user-friendly
interfaces, and optimized application performance. Looking for
LinkedIn opportunities to work on large-scale projects and grow professionally.
[открыть контакты](см. выше в блоке «контактная информация»)

WORK EXPERIENCE

SKILLS Lazy Ants 2022 - PRESENT
React Developer
React
Developed a time-tracking application that allows users to log their
Next.js working hours, view detailed reports, and manage work sessions
efficiently.
React Router
Implemented a dashboard for tracking and analyzing logged hours,
TypeScript enhancing transparency and productivity within teams.
Redux Created a team management feature, enabling users to form separate
work groups and improve collaboration.
Redux-Saga Participated in code reviews and mentoring junior developers.
GIT Optimized application performance, reducing load times and improving
responsiveness for a seamless user experience.
REST API Integrated RESTful APIs and ensured smooth communication between
GraphQL the front-end and back-end services.
Participated in code reviews, refactoring, and performance
Webpack and Docker
optimizations to maintain a scalable and maintainable codebase.
Jest Wrote unit and integration tests using Jest and React Testing Library
to ensure application stability and reliability.
Tailwind CSS
Styled-Components Andersen Lab 2021 - 2022
Swagger JavaScript, React Developer
Storybook
Developed a music streaming platform similar to Spotify, focusing on
LANGUAGES smooth user experience and high performance.
Implemented features such as audio playback, playlists, and user
libraries, ensuring seamless navigation and playback.
English (Intermediate)
IWorked on real-time music streaming with efficient API integration
Ukrainian (Native)
for fetching and managing track metadata.
Russian (Native)
Built responsive and interactive UI components using React and
TypeScript, improving accessibility and user engagement
Optimized the application for fast loading speeds and reduced memory
consumption
Collaborated with back-end developers to integrate RESTful APIs for
user authentication, song recommendations, and playlist management.
Wrote unit and integration tests using React Testing Library to ensure
the reliability and maintainability of the application.