Oleksandr Pilganchuk

Front-End Developer

Summary

Front-End Developer with 3.5+ years of commercial experience, including 2+ years with React & TypeScript. Experienced in building scalable UI components, admin panels, and SEO-optimized web applications using React, Next.js. Strong focus on performance, maintainability, and business-driven UI solutions.

Work Experience

  • Clario — Product Growth Team

    Front-End Engineer
    January 2022 – August 2025 | Kyiv, Ukraine
    • Developed and maintained commercial landing pages with a focus on conversion, performance, and SEO.
    • Built React-based admin panel features, improving internal workflows and UI scalability.
    • Implemented Next.js landing pages, improving SEO visibility and page load performance.
    • Optimized Core Web Vitals, reducing LCP by 25–35% across key pages.
    • Integrated payment systems (Stripe, PPG, Cleverbridge), enabling secure and scalable checkout flows.
    • Implemented multi-language support (up to 18 locales) and tracking/analytics solutions.
    • Conducted A/B testing, increasing conversion rates by 10–15% on key funnels.
    • Collaborated cross-functionally with UI/UX designers, QA, backend, and marketing teams in Agile environment.
    • Refactored legacy UI code, improving maintainability and reusability of components.

    Tech stack: JavaScript, TypeScript, HTML5, CSS3/SCSS, React, Next.js, AJAX, REST API, Git, Webpack, Docker, PHP (basic), Laravel (Blade), Figma.

Education

  • Kyiv National University of Construction and Architecture

    Industry Engineering
    2009 – 2014 | Kyiv, Ukraine

  • IT School GoIT

    Full Stack Developer Certificate Program
    October 2020 – November 2021 | Kyiv, Ukraine