As a Product Designer and UX Leader, I specialize in creating digital experiences that are both visually compelling and functionally robust.
My approach is rooted in the belief that design must solve real problems while enhancing user satisfaction. Over the years, I’ve successfully led large-scale digital transformations, working at the intersection of user needs, business objectives, and technology.
With a strong foundation in graphic design and a deep understanding of user-centered design principles, I excel at turning complex challenges into elegant solutions that drive meaningful results.
My experience spans across leading design teams, implementing corporate design systems, and collaborating with cross-functional teams to launch products that make a difference.
In every project, I strive to balance form and function, ensuring that each design choice is purposeful and backed by data.
+48 881 441 390
denis.zelensky@gmail.com
Infinity Technologies AG • Jul 2023 — Present
Digital Transformation:
Led the design and development of a scalable Business Management System for Cyber BMS, enabling expansion into new markets.
Improved operational efficiency by 55% and supported a 20% increase in client base.
Developed modular system architecture with key features: Equipment Templates Automated Task Management, Notification System, User Management, Client Management
Increased service staff productivity by 35% and reduced critical errors by 30% through optimised processes and effective design solutions (Pilot Testing)
Process Optimization and User-Centric Design:
Implemented a comprehensive user-centered design process, ensuring alignment with business objectives and user needs.
Conducted extensive user research, persona development, and iterative testing, leading to well-informed design decisions.
Achieved a 92% user satisfaction rate and reduced training time by 50% through intuitive design and clear user flows (Pilot Testing).
Collaborated with cross-functional teams (BAs, PMs, developers) to deliver a product that met both technical requirements and user expectations.
Fozzy Group • Jun 2021 — Jun 2023
Leadership in Design and Team Management:
Built and scaled a UX design team of 31 designers, significantly increasing team productivity by 30% through streamlined processes and effective management practices.
Developed and implemented a comprehensive designer development program, achieving zero turnover and fostering a collaborative team culture.
Strategic Planning and Cross-Functional Collaboration:
Led the creation of a corporate design system, reducing time to market by 50% and ensuring consistency across all digital platforms.
Played a pivotal role in aligning UX design strategy with overall business goals, collaborating with over 30 product teams to integrate user feedback and optimize product outcomes.
Product Design and UX Innovation:
Led the digital transformation of Silpo’s e-commerce ecosystem, enhancing the user experience across web, mobile, and in-store digital interfaces.
Drove a significant NPS increase from 55 to 82 by implementing personalized shopping experiences, dynamic content recommendations, and streamlined checkout processes.
Managed the development and launch of over 30 digital products, including mobile apps, B2B platforms, and AI-driven solutions, tailored to different customer segments.
Conducted extensive usability testing and A/B experiments, refining the user experience and increasing conversion rates, customer loyalty, and overall sales.
Nova Poshta • May 2018 — Jun 2021
Progression from Product Designer to Head of Design:
Transitioned from Product Designer to Head of Design, establishing and leading Nova Poshta’s Design Department and growing the team to 13 designers.
Introduced structured design processes, including Figma adoption and a design governance framework, ensuring high-quality and consistent output across all design projects.
Managed Cross-Functional Collaboration:
Led the digital transformation of Nova Poshta’s customer-facing and internal systems, improving user engagement by 25% and customer satisfaction by 15%.
Directed the creation of a corporate design system, reducing time to market by 50% and ensuring a unified user experience across all platforms.
Mentored designers and collaborated with over 20 product teams, implementing modern design approaches and optimizing the design process.
Product Design and UX Innovation:
Redesigned Nova Poshta’s digital ecosystem, improving operational efficiency and reducing service times by 20% through data-driven design practices.
Focused on enhancing user experience by conducting usability testing, iterative design, and implementing user feedback to create intuitive and effective digital tools.
Digital Screens LLC • Jan 2011 — Jan 2017
End-to-End Product Design:
Designed and launched oll.tv, achieving 200,000 monthly users and establishing it as a regional market leader in IPTV/VOD services.
Managed the entire design process, from initial concept and wireframes to final UI, ensuring alignment with business goals and market needs.
Collaborated closely with developers to ensure seamless implementation across mobile, web, and SmartTV platforms, delivering a consistent and high-quality user experience.
User Experience and Market Impact:
Conducted competitive analysis, user research, and iterative testing to refine the product and ensure it met user needs.
Played a key role in positioning oll.tv as one of the leading IPTV/VOD platforms in the region by focusing on user-centered design and continuous improvement.
1+1 media • Jan 2007 — Jan 2009
Digital Transformation of Media Platforms:
Redesigned TSN.UA, revolutionizing Ukraine’s online news platform and significantly increasing user engagement through modern design principles.
Developed the 1+1 TV Channel portal, transforming it into a dynamic media platform with AI-driven content organization and user subscriptions.
Introduced design principles that set a new standard for online media in Ukraine, positioning the platform as a leader in the digital space.
Studio Genii • Aug 2004 — May 2007
Design Leadership and Creative Direction:
Led the design and development of websites and applications across various industries, managing the entire creative process from concept to delivery.
Focused on creating user-centric designs that aligned with client objectives and market needs, driving significant improvements in user engagement and business performance.
Managed client relationships and project evaluations, ensuring all deliverables met the highest standards of quality and were delivered on time and within budget.
Played a key role in expanding the company’s portfolio and securing high-profile clients through innovative design and exceptional service.