Сергій

SERGIY PROTOPOPOV
Product Designer, Senior UX/UI Designer LinkedIn

CONTACTS

[open contact info](look above in the "contact info" section) / Portfolio / [open contact info](look above in the "contact info" section) / Zagreb, Croatia

SUMMARY

Result-oriented Senior Product Designer with an 18-year career spanning the
evolution of the digital landscape from early web portals to AI-powered media
ecosystems. Combining a Master’s in Computer Science with ongoing academic
studies in Psychology. I specialize in architecting complex internal systems (CMS, EHR,
B2B) and cross-platform experiences (iOS, Android, Web).

I possess a unique ability to consolidate technical feasibility with user-centricity,
evidenced by successful product launches in EdTech, FinTech, and Media. Highly
adaptable to emerging tech stacks, I actively integrate Generative AI and behavioral
research into the design lifecycle.

SKILLS

●​ Design & Research: Product Strategy, User Research (Qualitative & Quantitative),
Usability Testing, CJM & User Flows, Information Architecture, Behavioral Design,
Data-Informed Design.
●​ Specialized Expertise: EdTech, Healthcare UX (Compliance), Media Assets
Management, E-commerce Optimization, AI-Driven Workflows (Contextual
Matching, Alt-text automation).
●​ Design Tools: Figma (Advanced Prototyping & Design Systems), After Effects
(Motion Design & Dynamic Video), Adobe Creative Suite, Sketch.
●​ AI Stack: Google Studio, Claude other Generative AI for design productivity.
●​ Technical Background: Master’s level understanding of Computer Science;
proficiency in HTML5, CSS3, and Python.

SOFT SKILLS

●​ Strategic Communication: Ability to present complex design decisions to
stakeholders and lead cross-functional workshops.
●​ Adaptability & Lifelong Learning: Rapid integration into new technical
environments and industries (HealthTech, Media, EdTech).
●​ Leadership: Proactive problem-solver with a focus on quality, mentorship, and
user-centricity.
WORK EXPERIENCE

Product Designer
Mar 2019 – Present | glomex (ProSiebenSat.1 Media)

●​ Lead the UX overhaul of the media asset platform, including the design of a
comprehensive backoffice solution for centralized content and user
management.
●​ Developed a robust search and navigation infrastructure, significantly
improving the efficiency of content retrieval for professional media owners.
●​ Implemented Generative AI features to automate metadata creation (Alt-text)
and enhance contextual video matching, improving the platform's intelligent
content delivery.
●​ Driven a data-informed design culture, using Hotjar and Google Analytics to
transform complex user behaviors into intuitive interface improvements.
●​ Mastered After Effects and Figma workflows to produce Dynamic Video content
and interactive prototypes that facilitate seamless developer handoff.
●​ Explored and integrated emerging AI tools (Gemini, Nano Banana) into the
design lifecycle to optimize creative output and internal productivity.

Senior UX/UI Designer
Mar 2017 – Feb 2019 | TEAM International

●​ Designed and optimized VaultMR, an enterprise EHR system tailored for
US-based rehabilitation facilities
●​ Collaborated closely with medical subject matter experts (SMEs) to translate
clinical workflows and expert recommendations into intuitive digital interfaces.
●​ Transformed complex medical data into actionable visualizations, enabling
healthcare providers to manage patient recovery processes more efficiently.

Senior UX/UI Designer
Apr 2013 – Mar 2017 | Innovecs

●​ Optimized the user experience for Gelato (global print-on-demand network),
designing intuitive desktop and mobile interfaces to streamline the ordering
process and drive conversion growth.
●​ Led the full-cycle product design for Wintaxi (ride-sharing) and Newtend
(e-procurement), managing everything from MVP conceptualization to
large-scale market deployment.
●​ Facilitated data-driven design iterations by leveraging user feedback and
behavioral analytics to refine interface performance across diverse international
markets.
●​ Collaborated within cross-functional teams to deliver scalable UI/UX solutions for
complex SaaS and B2B platforms, ensuring consistency across web and mobile
environments.
Lead UX/UI Designer
Feb 2012 – Apr 2013 | Omyconf! (Startup was closed in 2014)

●​ Led the full-cycle design of a cross-functional event platform, managing
high-fidelity prototyping and delivery for iOS, Android, and web environments.
●​ Implemented a "Mobile-First" Responsive Design strategy, ensuring high
performance and usability for users in low-bandwidth event settings.
●​ Organized end-to-end user discovery, including CJM development and
interviews with business owners to validate the startup’s core value proposition.
●​ Established a unified design language across all platforms, streamlining the
development process in a high-velocity, short-deadline environment.

Senior UX Designer
Dec 2010 – Feb 2012 | PocketBook International
●​ Developed award-winning E-reader interfaces (Red Dot 2012), specifically
tailored for the Touch E-ink screen.
●​ Re-design and improve app for reading “Pocketbook Reader” based on
end-user researches
●​ Design and optimize Android launchers to create a focused, distraction-free
educational environment for students.

UI/UX Designer
Jun 2009 – Apr 2010 | Digital Ventures (tochka.net)
●​ Architected high-fidelity interactive prototypes for the core sections of the
tochka.net media portal
●​ Developed a unified Design System, ensuring visual and functional scalability
across all company digital products.
●​ Conducted end-to-end usability audits, delivering comprehensive reports that
served as a roadmap for product UX optimizations.

Usability Testing Engineer / UX Designer
Jan 2008 – Jun 2009 at Bigmir-Internet
●​ Executed UX/UI design for Ukraine's premier internet portal (comparable itself
to Yahoo)
●​ Take part in a team where design and integrate the company’s internal Design
System, ensuring cross-product UI consistency and streamlining the handoff
process between design and engineering teams.

EDUCATION

Postgraduate Program in Psychology,
Kyiv Institute of Modern Psychology and Psychotherapy (KISPP),
Kyiv, Ukraine | 2025 – Present

Master of Information Technology,
National Aviation University, Kyiv, Ukraine | 2002 – 2008
ADDITIONAL EXPERIENCE

UX Course Instructor (Part-time)
Jun 2016 – Sep 2016 | GoIT

●​ Invited as a Subject Matter Expert to lead a specialized UX design course.
●​ Facilitated workshops and lectures on user research methodologies and
interactive prototyping for a 4-month intensive program.

CONFERENCES & SPEAKING

●​ Speaker at ProfsoUX 2013 (Professional UX Conference).
●​ Active Participant & Contributor: User Friendly Conference (2015), Garage48 Kyiv
(2012), UX Camp Ukraine (2010, 2012), WUD Ukraine (2010), UX Ukraine (2011).

LANGUAGES

●​ English: Upper-Intermediate (B2) — Professional working proficiency.
●​ Ukrainian: Native.

INTERESTS

●​ Psychology & Cognitive Science.
●​ Chess, Board Games.
●​ Climbing, Rock Music, Photography, Green Tourism.