Сергій

SERHII RAZUMENKO
Front-End Developer (JavaScript, TypeScript, React)
Ukraine · Open to remote
Email: [открыть контакты](см. выше в блоке «контактная информация») | Phone: [открыть контакты](см. выше в блоке «контактная информация»)
Telegram: @SergeyRazumenko
LinkedIn: [открыть контакты](см. выше в блоке «контактная информация»)

PROFESSIONAL SUMMARY
Front-End Developer with 10+ years of commercial experience focused on building clean, scalable and user-centered web interfaces. Strong expertise in React and
TypeScript, component-driven UI architecture, modern CSS, and API integrations. Comfortable working in product teams, participating in code reviews, and delivering
maintainable solutions in Agile environments.

CORE SKILLS
JavaScript (ES6+), TypeScript, React, Redux, Redux-Saga, HTML5, CSS3, SASS/SCSS, Tailwind CSS, Bootstrap, REST APIs, GraphQL (Apollo), Git, Docker, AWS,
Jest, Playwright, Figma, Adobe Photoshop

PROFESSIONAL EXPERIENCE
Front-End Developer — UBRAINIANS | Nov 2024 – Present

• Develop and maintain React-based web applications
• Build reusable UI components using TypeScript
• Integrate REST APIs and collaborate closely with backend teams
• Follow accessibility standards and clean code practices
Front-End Developer — Lestro | Mar 2024 – Nov 2024

• Developed responsive layouts and JavaScript functionality
• Created internal documentation for reusable templates
• Refactored legacy front-end codebases
Software Engineer — AMC Bridge | Feb 2021 – May 2023

• Implemented front-end features using React and TypeScript
• Integrated GraphQL APIs and payment workflows
• Wrote unit and end-to-end tests (Jest, Playwright)
• Participated in code reviews and Agile ceremonies
Front-End Developer — Crumina WP | Apr 2015 – Feb 2021

• Developed HTML and WordPress templates
• Implemented UI animations and optimized performance
• Maintained long-term production projects

EDUCATION
Bachelor of Electronic Engineering — Sumy State University, Ukraine, 2007

LANGUAGES
English — Intermediate