Roman

ROMAN CHABAN SUMMARY
FRONTEND DEVELOPER Frontend Developer with 1+ year of experience in React, Next.js,
TypeScript, and Redux. Skilled in building scalable, high-
performance web applications with a focus on responsive design,
accessibility, and SEO. Proficient in unit and integration testing
(Jest, React Testing Library) with 95% test coverage, reducing
production bugs by 50%. Experienced in Agile (Scrum, Kanban)
workflows, collaborating with cross-functional teams, and writing
clean, maintainable code to deliver seamless user experiences.

JOB EXPERIENCE
LinkedIn
Frontend Developer at Precoro | Jan 2024 – Feb 2025
Portfolio
Key Responsibilities and Achievements:
[открыть контакты](см. выше в блоке «контактная информация»)
Developed scalable, high-performance web applications using React.js
[открыть контакты](см. выше в блоке «контактная информация») and Next.js, achieving a 25% improvement in page load speed.

Lviv, Ukraine Collaborated with cross-functional teams (backend developers and
designers) to transform Figma designs into responsive, pixel-perfect
interfaces, reducing design-to-code time by 15%.
KEY SKILLS Optimized state management using Redux Toolkit, leading to a 30%
reduction in codebase complexity and enhancing application
Programming Languages: performance.
JavaScript (ES6+)
Enhanced web performance and SEO optimization, resulting in faster
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TypeScript
load times and improved accessibility, which directly boosted key
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Markup & Styling: business metrics.
HTML5
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Worked on improving accessibility (WCAG 2.1) for web applications,
CSS3
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enhancing inclusivity and compliance with industry standards.
Sass (SCSS modules)
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Styled-Components
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Contributed to documentation and knowledge base, making
Tailwind
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onboarding for new team members 30% faster and improving team
productivity.
Frameworks & Libraries:
Developed and executed unit and integration tests using Jest and
Next.js
React Testing Library, achieving 95% test coverage and reducing
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React.js
production bugs by 50%.
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Redux, Redux Toolkit
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React Router
• Identified, debugged, and fixed critical frontend issues, reducing
React Hook Form
• user-reported bugs by 40% and improving overall system stability.
Tanstack Query
Achieved 90+ scores in Lighthouse (Performance, Accessibility, Best
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Material-UI
Practices, SEO), improving the overall quality of the web
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Axios
application.
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APIs & Core Technologies:
Fetch API
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KEY PROJECTS
REST APIs
CRM Workroom App
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Browser API
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Tech: (Next.js, React, TypeScript, Redux Toolkit, Tanstack Query, Material-UI,
Testing: Jest)
JEST
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React Testing Library
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Integrated automated task management features, reducing manual
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Postman
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processes by 40% and improving team collaboration.
Developed a mobile-responsive CRM interface, ensuring seamless
Design Tools:
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access across devices and boosting user engagement by 15%.
Figma (PSD to HTML)
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GitHub code
Version Control:
Git
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Clothings-Store
Tech: (React, TypeScript, Redux Toolkit, SCSS, Swiper.js)
Development Methodologies:
Agile (Scrum, Kanban), SDLC
• Developed filtering and search functionality, increasing conversion
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Code Reviews
• rates by 15%.

Algorithms: GitHub code Project demo
Completed 320+ tasks
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LANGUAGES iMarketplace
Tech: (React, TypeScript, Redux Toolkit, Swiper.js, React Router, MUI, Vite,
Ukrainian — Native
SCSS.modules, Styled-Components,)
English — Intermediate (B1)
Improved load times by 25% through code and image optimization.
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EDUCATION Designed user interfaces with modern UI libraries, enhancing the
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overall user experience.
Junior Specialist in Electrical
Engineering GitHub code Project demo
Stryi Vocational College LNUP DreamSpace-Interiors
(2016) - (2020)
Tech: (Next.js, React, TypeScript, Redux Toolkit, Swiper.js, React Hook Form,
Bachelor’s Degree in Electrical styled-components, npm, Grommet Icons, SCSS.modules)
Engineering
Lviv University of Natural Resources Developed responsive design, resulting in a 20% increase in user
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Management engagement.
(2020) - (2022) Optimized the code, reducing page load time by 30%.
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GitHub code Project demo
COURSES
MetaCards
Udemy: Learn to Program in
Javascript: Beginner to Pro. Tech: (Next.js, React, TypeScript, Redux Toolkit, Swiper.js, Grommet Icons,
Javascript Essentials. Responsive SCSS.modules)
Web & Mobile Development in Initiated the development of a digital card collection, driving
HTML, CSS & Javascript.
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increased user interaction.
Self-learning: Javascript.info, GitHub code Project demo
Reactjs.org, Nextjs.org, "Grokking
Algorithms", CodeWars 4(ky) Tic_Tac_Toe_Game
Tech: (HTML, CSS, JavaScript, React, styled-components)
Interactive UI – Smooth gameplay with a responsive design.
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React Hooks – State management with useState and useEffect.
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Styled Components – Custom and reusable styles.
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Winning Logic – Detects wins, losses, and draws
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•Restart Option – Play multiple rounds seamlessly
GitHub code Project demo