- UI Designer
Kyrylo Kotelenets
- Varna, Bulgaria
- 1 project
Senior UX/UI designer with 9 years of experience driving enterprise-level e-commerce and startup product design.
About
Senior UX/UI designer with 9 years of experience driving enterprise-level e-commerce and startup product design. Proven track record building scalable design systems and leading complex global rollouts for brands like Puma, Birkenstock, and Cybex. Passionate about bridging cross-functional teams to deliver accessible, high-converting digital experiences across iOS, Android, and web.
Leads end-to-end design processes for B2B2C marketplaces and multi-region e-commerce, creating unified design systems to speed up production. Focused on accessibility (WCAG AA), UX research, usability testing, and clear documentation—enabling scalable, efficient, and inclusive product design delivery.
- Joined November 2025
Languages
- EnglishAdvanced
- UkrainianFluent
Industry experience
- Retail
- Software & Internet
- Gaming
- Professional Services
- Computers & Electronics
Projects · 1
Work experience
Led the full design process for a top-hair care brand's B2B2C marketplace, creating a unified experience for both retail customers and salon professionals. Built a scalable design system from the ground up to speed up production processes, and established workflows across external cross-functional teams under strict stakeholder deadlines. Created strategic bundle solutions for a major international airport's e-commerce platform to increase revenue. Reduced design-to-development cycle time by implementing a reusable, highly accessible UI component library. Acted as a UX/UI consultant during a global e-commerce redesign for a well-known German shoe brand, elevating accessibility to WCAG AA and enabling a seamless rollout across 5 key international markets.
Translated discovery-phase insights into a clear product vision for a cryptocurrency wallet iOS app, aligning with the Product Owner and engineering team to deliver a high-NPS product. Owned the web design strategy for a Web3 ICO campaign, building user trust through transparent token economics data visualization and secure UI patterns. Produced design outcomes including support for raising $10M via the product and campaign experience design efforts.
Owned the end-to-end design process for a sport gamer experience, contributing to product discovery and overall product and design strategy. Conducted user research, interviews, and testing to influence numerous product improvements. Fully redesigned tournament and duels experiences to increase daily active users and session length. Worked on experience and interaction improvements that supported key engagement metrics.
Education
Certifications and awards
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