Сергій

Serhii Korchkov
Junior Frontend Developer
Strong Junior Frontend Developer with 2 years of
commercial experience and strong skills in React.js,
responsive layout design, and REST API integration.
Passionate about clean, maintainable code and
continuous learning. Seeking a team where I can grow and
contribute to meaningful projects.

Work Experience
Frontend Developer, Auros (Feb 2024 – Jan 2025)
• Completed 108+ development tasks with a 95.37% success rate, ensuring
[открыть контакты](см. выше в блоке «контактная информация») / [открыть контакты](см. выше в блоке «контактная информация»)
minimal post-delivery issues.
• Built and integrated reusable React components using Hooks and sergeykorchkov.github.io/Portfolio-main-
Context API, improving UI consistency and code maintainability.
(React.js, JavaScript ES6+, SCSS)
• Developed fully responsive layouts for desktop, tablet, and mobile

Skills
devices using mobile-first design principles.
(HTML5, CSS3, SCSS, Bootstrap)
• Implemented dynamic UI functionality such as interactive cards and
adaptive content blocks. • HTML5, CSS3 (SASS/SCSS), Bootstrap — responsive
(React, DOM manipulation, conditional rendering) cross-browser layouts
• Migrated legacy UI logic from jQuery to DHTMLX, significantly improving • JavaScript (ES6+), TypeScript, React.js (Hooks, Context
performance, readability, and consistency.
API, Redux)
(DHTMLX, jQuery, Vanilla JavaScript)
• Refactored inline styles into modular SCSS architecture, reducing • REST API integration, async/await, fetch
duplication and easing maintenance. • Git / GitHub — branches, pull requests, code reviews
(SCSS, modular CSS, BEM methodology) • Dev Tools — Chrome DevTools, Netlify, npm, CI basics
• Participated in code reviews and team discussions, identifying bugs and • Basic backend — JSP, Tomcat, MySQL (for integration)
optimization points, and contributing to UI/UX improvements.
(GitHub, Code Reviews, Agile meetings)

Frontend Intern, Auros (Feb 2023 – Jan 2024)
Education
• Assisted in implementing new features including page layouts,
form validation, modal dialogs, and basic animations. Griffith College Dublin (2024 – Present)
(React, HTML5, CSS3, JavaScript)
Bachelor’s Degree in Computer Science (in progress)
• Fixed visual defects and layout bugs across multiple browsers
and screen resolutions.
Expected graduation: 2028
(Responsive testing, cross-browser support) Online Courses
• Replaced outdated JavaScript scriptlets with modern ES6+
Frontend Masters, Udemy — JavaScript, React, Web Performance
equivalents, improving code clarity and long-term
maintainability.
(JavaScript, DOM APIs, async/await)
• Collaborated with senior developers to modernize parts of the UI
layer using component-based development best practices.
Languages
(React, JSX, component reuse)
English — B2 (confident communication and documentation)
• Participated in sprint reviews and planning, consistently
delivering tasks on time with proper documentation and testing. Ukrainian / Russian — Native
(Scrum, version control)
 Projects / Portfolio

AI Chatbot (React + OpenAI API) - Mobile-Friendly
Live: https://ai-react-chatbot.netlify.app/
GitHub: https://github.com/SergeyKorchkov/AI-React-prjct
A chatbot powered by OpenAI API (GPT-4) that allows users to interact with AI and receive
intelligent responses.
Tech Stack:
- React.js - UI and component-based architecture
- ChatScope UI Kit - chat interface
- REST API (OpenAI API) - fetching AI-generated responses
- Fully responsive design (mobile-friendly)
- Netlify - deployment

WebStudio (HTML, CSS, JS) - Mobile-Friendly
Live: https://sergeykorchkov.github.io/WebStudio/
GitHub: https://github.com/SergeyKorchkov/WebStudio? tab=readme-ov-file
A website for a digital studio with interactive animations and a popup modal.
Tech Stack:
- HTML, CSS (SCSS) - responsive design
- JavaScript (Vanilla JS) - interactive features
- CSS animations and hover effects
- Fully responsive design (mobile-friendly)

Portfolio Website (Bootstrap + CSS + JS) - Mobile-Friendly
Live: https://sergeykorchkov.github.io/Portfolio-main-/
GitHub: https://github.com/SergeyKorchkov/Portfolio-main-
A personal portfolio website showcasing my projects, skills, and experience.
Tech Stack:
- Bootstrap 5 - modern responsive framework - CSS & custom styles - polished UI design
- JavaScript - interactive elements
- Fully responsive design (mobile-friendly)

Geekout (HTML, CSS) - Mobile-Friendly

Live: https://sergeykorchkov.github.io/Geekout/
GitHub: https://github.com/SergeyKorchkov/Geekout/tree/main
A tech and geek culture website with a clean design and smooth
animations.
Tech Stack:
- HTML + CSS - structured and optimized layout
- Responsive design (mobile-friendly)
- Minimalistic UI/UX

Contact Me
Email: [открыть контакты](см. выше в блоке «контактная информация»)
LinkedIn: [открыть контакты](см. выше в блоке «контактная информация»)