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I'm Yuliia, a Senior UI/UX Designer based in Barcelona. I design mobile and web products across AI tools, Web3 platforms, B2B marketplaces, and SaaS, translating complex systems into intuitive, user-centered interfaces. I bring 4+ years of experience craftingConversion-driven experiences while collaborating with cross-functional teams to ensure brand identity and usability across platforms. I lead projects end-to-end—from research and user flows to high-fidelity UI, design systems, and developer handoff. My frontend experience with HTML, CSS, and React helps me collaborate effectively with engineers to ship polished, scalable products.…I'm Yuliia, a Senior UI/UX Designer based in Barcelona. I design mobile and web products across AI tools, Web3 platforms, B2B marketplaces, and SaaS, translating complex systems into intuitive, user-centered interfaces. I bring 4+ years of experience craftingConversion-driven experiences while collaborating with cross-functional teams to ensure brand identity and usability across platforms. I lead projects end-to-end—from research and user flows to high-fidelity UI, design systems, and developer handoff. My frontend experience with HTML, CSS, and React helps me collaborate effectively with engineers to ship polished, scalable products.

Yuliia Shevchenko

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

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I'm Yuliia, a Senior UI/UX Designer based in Barcelona. I design mobile and web products across AI tools, Web3 platforms, B2B marketplaces, and SaaS, translating complex systems into intuitive, user-centered interfaces. I bring 4+ years of experience craftingConversion-driven experiences while collaborating with cross-functional teams to ensure brand identity and usability across platforms. I lead projects end-to-end—from research and user flows to high-fidelity UI, design systems, and developer handoff. My frontend experience with HTML, CSS, and React helps me collaborate effectively with engineers to ship polished, scalable products.…I'm Yuliia, a Senior UI/UX Designer based in Barcelona. I design mobile and web products across AI tools, Web3 platforms, B2B marketplaces, and SaaS, translating complex systems into intuitive, user-centered interfaces. I bring 4+ years of experience craftingConversion-driven experiences while collaborating with cross-functional teams to ensure brand identity and usability across platforms. I lead projects end-to-end—from research and user flows to high-fidelity UI, design systems, and developer handoff. My frontend experience with HTML, CSS, and React helps me collaborate effectively with engineers to ship polished, scalable products.

Available to hire

I’m Yuliia, a Senior UI/UX Designer based in Barcelona. I design mobile and web products across AI tools, Web3 platforms, B2B marketplaces, and SaaS, translating complex systems into intuitive, user-centered interfaces. I bring 4+ years of experience craftingConversion-driven experiences while collaborating with cross-functional teams to ensure brand identity and usability across platforms.

I lead projects end-to-end—from research and user flows to high-fidelity UI, design systems, and developer handoff. My frontend experience with HTML, CSS, and React helps me collaborate effectively with engineers to ship polished, scalable products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Ukrainian

Fluent

Russian

Advanced

English

Advanced

Work Experience

UX Designer at BlockTrust

April 1, 2022 - April 1, 2024

Designed Web3 dashboards and complex interfaces for blockchain-based products. Simplified technical flows to improve accessibility for non-technical users. Built and scaled design systems with reusable components and structured UI patterns. Collaborated with cross-functional teams to improve product usability and structure.

UX Designer, Front-End Developer at Startups EcoEquity

April 1, 2024 - November 1, 2024

Designed and built the front-end for a carbon credit marketplace, creating a clear and structured experience for complex Web3 transactions and ensuring transparency in user flows.

UX Designer at Qualoo

April 1, 2024 - November 1, 2024

Redesigned UX/UI for a global mobile app focused on network diagnostics through decentralized nodes. Simplified complex functionality into clear user flows and introduced gamified elements to encourage user engagement.

UX Designer at Viruta Health

April 1, 2024 - November 1, 2024

Rebuilt the company’s website using React and Strapi CMS, improving structure, maintainability, and overall usability. Delivered a modern UI/UX that made navigation more intuitive for a diverse user base.

Product Designer, UX/UI at Evadav Traffic Group

November 1, 2024 - August 1, 2025

Designed mobile applications (iOS & Android), focusing on core user flows, onboarding, and paywalls. Built and maintained scalable design systems to ensure consistency across multiple products.

UX/UI Designer at Cobalt Creative Agency

August 1, 2025 - Present

Designed and redesigned e-commerce websites for consumer product brands (food, fashion, pharmaceuticals), focusing on brand identity, UI animation, and conversion-driven experiences.

UX Designer / Front-End Developer at Independent Startups

April 1, 2024 - November 30, 2024

Designed and built the front-end for EcoEquity — a carbon credit B2B marketplace — creating a transparent, structured experience for complex financial and sustainability data. Redesigned Qualoo, a network diagnostics mobile app, simplifying technical flows for non-technical users and introducing gamified engagement. Rebuilt Viruta Health's website using React and Strapi CMS to improve navigation and maintainability.