Катерина

KATERYNA RYBALCHENKO
Product Designer | B2B SaaS · AI · UX/UI
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Product Designer with 3.5+ years of experience in B2B SaaS, AI products, mobile apps and marketplaces, from discovery
and information architecture to UI, design systems and developer handoff. Designed AI platforms serving 180+ sellers and
150K+ generated product listings. Experienced in data-heavy, multi-role products and in mentoring junior designers.

EXPERIENCE
Product Designer / Design Lead - ZERO task labs / ValsyDev (June 2025 - Present)
Lead design across the company's client products, including AI projects with a junior designer under my mentorship.
AI-Powered Product Content Management Platform (NDA)
Design Lead / Product Designer · B2B SaaS · AI
Led product design for a platform that helps e-commerce sellers create, manage and publish product content across marketplaces.
Designed the core experience: data import, AI content generation, product editing, catalog management and publishing.
Built a scalable product system for 180+ sellers and 150K+ AI-generated listings, with a unified product card across 6 marketplaces.
Mentored a Junior Designer, providing design guidance and feedback while driving consistency and quality across the product.
B2B SaaS Platform for Multi-Location Businesses (NDA)
Product Designer · B2B SaaS · AI
D for centrali ed management of online presence and reputation across multi-location networks, including the
esigned from scratch a platform z

marketing landing page.
Designed po ered lo s:
AI- w f w review sentiment analysis, AI-suggested responses, automated replies and instant alerts for critical reviews.

Designed role based access or user types
- f 4 analytics dashboards
and (review dynamics and sentiment, location ratings, profile engagement); built

an internal admin panel for account management and customer success.

Ow ned the ull cycle:
f discovery, IA, UI, prototyping, design system and developer handoff.

Additional res onsi ilities
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Product Designer
Createfully clickable for
design concepts with AI tools (Claude) and take part in the presales stage with prospective clients.
presales

Designed brand identities and logos or companies, developing visual systems from concept to brand guidelines.
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Packaged the company’s projects into case studies and sales presentations for platforms like Upwork, showcasing our expertise and portfolio to
attract new clients.
UX/UI Designer, Part-Time Projects & Freelance (January 2023 - Present)
Designed digital products for startups and businesses across several industries: MarTech, E-Commerce, Travel, Logistics, Crypto. Delivered SaaS
platforms, mobile apps, landing pages and case-study presentations.
Language Learning Mo ile A s (iOS) b pp

Product Designer · Mobile Apps
Designed t o i S learning products rom concept to launch: a gamified vocabulary app for self-learners, and a tutor–student platform enabling
w O f

tutors to assign word lists and track student progress.
Running A/B tests with 50+ onboarded tutors to validate engagement and usability before broader rollout.

Design Mentor, GoITeens (November 2023 - March 2025)
Taught design to 30+ young students across three programs: graphic design, web design, UX/UI, design thinking and Figma.

SKILLS & TOOLS
PRODUCT DESIGN
Product Discovery, User Research, Information Architecture, User Flows, Interaction Design, Prototyping, Usability Testing, Design Systems, Responsive
Design, Wireframing, UX/UI Design.
Product & UX Methods
JTBD, User Journey Mapping, A/B Testing, Data Visualization, Accessibility.
Colla oration
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Stakeholder Communication, Cross-functional Collaboration, Developer Handoff, Design Mentoring.
Tools
Claude, Figma Make, ChatGPT, Lovable, Figma, FigJam, Jira, Miro, Slack.

LANGUAGES EDUCATION
Ukrainian - Native IT SCHOOL GOIT - UX/UI Designer (2022-2023)
English - Upper-Intermediate DNU - Master’s Degree in Public Management and Administration (2020-2021)
French - Pre-Intermediate PSACEA - Bachelor’s Degree in Architecture (2015-2019)