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Hi, I'm Serhii (Sam) Voznytsia, a Frontend Developer with 5 years of experience building websites and applications using modern web technologies. I specialize in responsive, high-performance interfaces and reusable UI components with JavaScript, React, TypeScript, HTML, and CSS, delivering fast, accessible, and SEO-friendly code. I enjoy collaborating with design, product, and QA teams to ship pixel-perfect experiences. In my work I focus on accessibility, usability, and maintainable architectures, always aiming to improve performance and user satisfaction while delivering solutions for large screens and mobile devices.…Hi, I'm Serhii (Sam) Voznytsia, a Frontend Developer with 5 years of experience building websites and applications using modern web technologies. I specialize in responsive, high-performance interfaces and reusable UI components with JavaScript, React, TypeScript, HTML, and CSS, delivering fast, accessible, and SEO-friendly code. I enjoy collaborating with design, product, and QA teams to ship pixel-perfect experiences. In my work I focus on accessibility, usability, and maintainable architectures, always aiming to improve performance and user satisfaction while delivering solutions for large screens and mobile devices.

Serhii (Sam) Voznytsia

Front-End Developer, Web Developer, UI Designer, +2

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Hi, I'm Serhii (Sam) Voznytsia, a Frontend Developer with 5 years of experience building websites and applications using modern web technologies. I specialize in responsive, high-performance interfaces and reusable UI components with JavaScript, React, TypeScript, HTML, and CSS, delivering fast, accessible, and SEO-friendly code. I enjoy collaborating with design, product, and QA teams to ship pixel-perfect experiences. In my work I focus on accessibility, usability, and maintainable architectures, always aiming to improve performance and user satisfaction while delivering solutions for large screens and mobile devices.…Hi, I'm Serhii (Sam) Voznytsia, a Frontend Developer with 5 years of experience building websites and applications using modern web technologies. I specialize in responsive, high-performance interfaces and reusable UI components with JavaScript, React, TypeScript, HTML, and CSS, delivering fast, accessible, and SEO-friendly code. I enjoy collaborating with design, product, and QA teams to ship pixel-perfect experiences. In my work I focus on accessibility, usability, and maintainable architectures, always aiming to improve performance and user satisfaction while delivering solutions for large screens and mobile devices.

Available to hire

Hi, I’m Serhii (Sam) Voznytsia, a Frontend Developer with 5 years of experience building websites and applications using modern web technologies. I specialize in responsive, high-performance interfaces and reusable UI components with JavaScript, React, TypeScript, HTML, and CSS, delivering fast, accessible, and SEO-friendly code. I enjoy collaborating with design, product, and QA teams to ship pixel-perfect experiences.

In my work I focus on accessibility, usability, and maintainable architectures, always aiming to improve performance and user satisfaction while delivering solutions for large screens and mobile devices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Frontend Developer at UITC

June 1, 2025 - Present

Develop responsive, user-friendly websites using HTML5, CSS3, and JavaScript; Build applications using React.js and TypeScript.

Frontend Developer at Syndicate Production

February 1, 2021 - March 1, 2025

Created frontend for 40+ responsive websites using HTML, CSS, JavaScript, SASS/SCSS, LESS, Bootstrap, and jQuery; built and maintained scalable front-end interfaces across 10 web applications using React and TypeScript with reusable components; implemented autotests (Mocha, Chai, Jest) achieving up to 100% test coverage; improved performance and SEO; automated backend interactions with Node.js, MySQL, SQLite; created Python scripts to automate processes; collaborated with design, product, and QA teams and participated in code reviews.

Junior Frontend Developer at Content LLC

November 1, 2019 - January 1, 2021

Developed 10+ responsive websites using HTML, CSS, and JavaScript; created over 20 frontends from designed templates; populated 30+ websites with content.