Yurii Volik

Senior Frontend Engineer

Switzerland, Zurich Metropolitan Area

Senior Frontend Engineer with 15 years of experience, specializing in React, Next.js, and TypeScript. Since 2011 at Custom PC Software, I have architected and scaled high-traffic platforms for global leaders like Hearst Magazines, reaching 10M+ monthly users. Expert in technical architecture, Core Web Vitals, and WCAG accessibility. Experienced in leveraging AI-augmented workflows to accelerate development and integrating modern AI-driven features into product solutions. Focused on building robust, data-informed web solutions. Currently based in Switzerland.

Technical Skills

Core

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

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)

Enterprise & Analytics

piano.ioOptimizely (A/B Testing)LLM Integration (OpenAI SDK)Prompt EngineeringGA4GTMAI Personalization

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. Mentored junior/middle engineers, established best practices, and led code reviews.
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Performance & A11y: Optimized large-scale React applications for Core Web Vitals and ensured WCAG compliance, maintaining high quality standards across all global web properties.
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Analytics & Growth: Built GDPR/CCPA frameworks and integrated sophisticated tracking systems (GA4, Marfeel, SimpleAnalytics). Engineered 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