Yurii Volik

Senior Frontend Engineer

Switzerland, Zurich Metropolitan Area

Senior Frontend Engineer with a 15-year track record in React, Next.js, and TypeScript. Representing Custom PC Software since 2011, I have led development for high-scale global platforms like Hearst Magazines (10M+ users). My focus lies in building maintainable technical architectures and implementing production-ready AI integrations via structured prompting. I am dedicated to Core Web Vitals optimization and WCAG accessibility, using AI-assisted development to deliver high-quality code at an accelerated pace. Currently based in Switzerland.

Technical Skills

Core

React.jsNext.js (App Router)TypeScriptJavaScript (ES6+)HTML5CSS3

Enterprise & Analytics

piano.ioOptimizely (A/B Testing)GA4GTMAI Personalization

Compliance & A11y

GDPR/DSGVOWCAG 2.1/2.2ARIAUser Consent (CMP)

State & Architecture

Redux ToolkitReact QueryContext APIGraphQLREST API

Tools & Quality

ViteCore Web VitalsJestCypressDockerCI/CDLighthouse

Design & Backend

Tailwind CSSMaterial UIFigmaSQLSSOAzure (AZ-900)

Professional Experience

Hearst Magazines (USA)

01.2020 — Present

Global Media Platform.

Senior Frontend Engineer

Enterprise Brand Architecture

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Scale & Leadership: Architected React/Next.js solutions for 10M+ users (Cosmo, Elle). Mentored junior/middle engineers, established best practices, and led code reviews.
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Performance & A11y: Optimized Core Web Vitals and ensured WCAG 2.1 compliance across a global infrastructure using GraphQL and Styled Components.
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Analytics & Growth: Built GDPR/CCPA frameworks and technical A/B test setups (Optimizely, Piano), driving measurable engagement and conversion growth.

Stack:React, Next.js, GraphQL, Styled Components, TypeScript, Piano, Optimizely, GA4, Marfeel

Yomobile

2024 — 2025

Global eSIM Connectivity Platform.

Frontend Developer

E-commerce & Connectivity

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Developed a high-performance e-commerce platform using Next.js and Tailwind CSS.
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Integrated secure SSO flows, User Consent modules, and GA tracking to drive conversion growth and ensure data privacy.

Stack:Next.js (Server Actions), React, TypeScript, Tailwind CSS, SSO Auth

Stanwood (Berlin, Germany)

2018 — 2019

Digital Product Studio working for Funke Mediengruppe.

Frontend Developer

Funke Mediengruppe - Digital Products

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Delivered responsive applications for major German media, adhering to rigorous DACH code quality and WCAG accessibility standards in an Agile environment.

Stack:React, JavaScript, Agile/Scrum

Custom E-commerce

01.2011 — 2017

Building a strong foundation in web architecture and SSR logic.

Full-Stack & CMS Developer (Early Career)

International Retail Projects

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Delivered custom themes and complex plugins for international retail projects, building a deep understanding of full-lifecycle web development.
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Leveraged strong PHP/SSR foundations to facilitate a seamless transition into modern architectural work with Next.js.

Stack:PHP, WordPress, HTML5, CSS3

Education

Sumy State University, Ukraine

Master's Degree in Computer Science

2006 — 2011

Languages

English:Upper-Intermediate (B2) - Daily working language

German:Pre-Intermediate (A2) - Currently attending intensive courses

Ukrainian / Russian:Native