Денис

Denys Andrieiev
Product Designer with 10+ years of experience scaling B2B SaaS, B2C,
e-commerce, and healthtech platforms.
Specializes in turning complex technical and clinical requirements into intuitive products, building scalable design systems,
and accelerating workflows with AI. Design team lead and education mentor, focused on aligning UX strategy with business
outcomes.

Málaga, Spain (originally from Dnipro, Ukraine) · [open contact info](look above in the "contact info" section) · [open contact info](look above in the "contact info" section)
Portfolio: denys-andrieiev.vercel.app · LinkedIn: [open contact info](look above in the "contact info" section)

Experience
Senior Product Designer
Huma (huma.com) · 2025 — Present
• Sole product designer of a patient mobile app on a digital health platform, leading end-to-end design from concept and
research to high-fidelity UI and delivery.
• Translated complex technical and clinical requirements into structured, intuitive user experiences in close collaboration with
engineers and clinical experts.
• Built scalable design systems and workflows to ensure consistency, maintainability, and efficient design-to-development
delivery.
• Leveraged AI (Claude, Claude Design, Figma AI) to accelerate research, exploration, and prototyping, improving the speed
and breadth of design iteration.

Senior Product Designer
PeopleForce (peopleforce.io) · 2024 — 2025
• Conducted user research, UI, prototyping, and interaction design for an HR SaaS platform, using AI to accelerate exploration
and iteration.
• Created high-fidelity mockups and prototypes to communicate design concepts.
• Drove design decisions with data, user insights, interviews, and AI-assisted research synthesis.
• Worked with components at an advanced level to ensure consistency and maintainability.

Product Design Team Lead
Revenue Grid (revenuegrid.com) · 2021 — 2024
• Built and led a design team of up to 10 (in-house, marketing, and external agencies): hiring and onboarding process, 1:1s,
performance reviews, mentoring; reduced time-to-productivity by 40%.
• Established design team principles, workflow, communication protocols, and OKRs; collaborated with PMs, QA, and
development leads to define sprint scopes (sprint velocity +35%).
• Introduced UX research as a process in a design-absent organization (user satisfaction +42%).
• Defined and implemented a design system to speed up UI development; implemented product rebranding in the UI.
• Designed dashboards and reports for a B2B sales platform; applied WCAG accessibility standards.
• Redesigned the sales sequence step creation flow: usability testing showed split view cut time per step by 50%.

UX/UI Product Designer
Work.ua, OWOX, ROZETKA, Revenue Grid · 2013 — 2021
• ROZETKA (Ukraine's largest e-commerce marketplace): redesigned the checkout so multi-warehouse order splits and
delivery options are transparent, with separate orders on one page; usability testing showed order time −10% and user
satisfaction +30%. Aligned UX and UI across three product parts and established design guidelines and best practices.
• Work.ua (Ukraine's largest job platform): made the website responsive (adaptive layouts for hundreds of unique pages),
which doubled resume uploads in the first month; improved email metrics.
• OWOX (data analytics and marketing attribution platform): designed UX for the product and improved email metrics.
• Revenue Grid: redesigned the Email Sidebar plugin; FullStory "dead clicks" reduced by 60% and interaction points halved.
• Prepared design-to-development handoff: sliced components and wrote documentation of interface workflows.

Founder and Tutor of Design Courses
Prostyi Design (self-employed) · 2018 — 2022
• Founded and ran UX/UI design courses and mentoring sessions for beginner designers.

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UX/UI, Web and Graphic Designer
FORFORCE, Dart Design Studio, Creative agency Cabinet, Integrated Systems of Ukraine · 2009 — 2013
• Developed information architecture, wireframes, prototypes, and UI visualization; created concepts for advertising
campaigns, corporate identities, brandbooks, and packaging.
• Delivered website redesigns, print, large-format, and online campaign creatives for retail chains such as Comfy and Varus.

Skills
Design: Product design, UX/UI design, design systems, interaction design, prototyping, information architecture, user
research, usability testing, A/B testing, responsive web, iOS and Android apps, dashboards and data-heavy interfaces, WCAG
accessibility.
Leadership: Design management, team leadership, 0→1 design teams, hiring and onboarding, 1:1s and performance reviews,
mentoring, public speaking.
Tools: Figma, FigJam, Figma AI, Sketch, Adobe Creative Suite, Miro, Mural, Webflow, HTML/CSS (basics), FullStory, Hotjar.
AI tools: Claude, Claude Design, Figma MCP with Claude, ChatGPT, Gemini, V0, Magic Patterns.

Education
Bachelor's degree in Automation and Computer-integrated Technology, Dnipropetrovsk National University of Railway
Transport, 2008
Design Management certificate, Projector Institute, 2023

Mentoring and Speaking
Education mentor: Hillel IT School; Projector Mentorship Platform; Prostyi Design; SPALAH.
Speaker: ITCP Community; eCommerce.ua; WINE DESIGN; Projector Global Community.

Languages
Ukrainian (native) · Russian (native) · English (B2, upper-intermediate)

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