Serhii Feshchyk
UX/UI Designer
Professional Profile
Serhii Feshchyk is a UX/UI Designer focused on creating clear, functional, and user-centered digital interfaces. He has experience designing websites, responsive interfaces, and mobile applications, following established design standards such as Apple Human Interface Guidelines and Material Design.
His work focuses on translating complex product ideas into intuitive user experiences while maintaining strong visual consistency and usability.
Role at Phenomenon Studio
At Phenomenon Studio, Serhii contributes to the design of digital products and web platforms, supporting teams in developing structured and user-friendly interfaces. He works closely with product managers, developers, and designers to transform product requirements into practical design solutions.
He is also involved in building scalable design systems and applying atomic design principles to ensure consistency across digital interfaces.
Core Expertise
UX/UI design for web and mobile products / Responsive web design / User interface design and usability improvement / Design systems development / Atomic design methodology / Wireframing and prototyping / Interaction design and usability testing / Collaboration with product and development teams
Industries & Product Types
Web platforms and digital products / Mobile applications / SaaS and technology products / User-centered digital interfaces
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Serhii Feshchyk
Feb 18, 2026
7 min read
Discover why feature-rich products often fail to feel powerful — and how structuring complexity with clear hierarchy, guided choices, and strong defaults helps users move faster, stay confident, and experience real momentum.
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Serhii Feshchyk
Aug 13, 2025
8 min read
Discover UX strategies to design clear, intuitive dashboards for complex systems without losing functionality. Reduce cognitive load and boost adoption.
