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Karina Demianenko

Product Designer

Professional Summary

As a UX designer with 7 years of professional experience, I specialize in leading discovery phases, turning PRDs and user flows into clear, user-centric experiences. I’ve had the opportunity to work with companies such as Gelato, SymphonyAI, Stryker, and Allwyn, alongside a broader range of projects and teams. I care about building products that work well and feel right, through listening, learning, and collaboration.

Skills

UX Research
UX Design & Prototyping
UI Design & Visual Design

Usability Testing and Analysis

Design presentations

Design Workshop Facilitation

Professional Experience

Senior Product Designer, Avenga

July 2022 - Till now

Working long-term as part of client teams in SaaS, e-commerce, and gaming. As a Senior Product Designer, I lead discovery, plan UX strategy, and design products from idea to handoff.

​Digital Lottery Platform (Current)

  • Working on product discovery and UX strategy for a European lottery platform, designing play journeys, subscriptions, account management flows, admin tools, and game hubs across web and mobile.

  • Designing user flows and interfaces for instant win games (IWG), draw-based games (DBG), and internal tools for operations teams.

Enterprise SaaS Platform (AI & Analytics)

  • UX design for a B2B AI analytics platform, focusing on rule engine configuration, asset-level permissions, and onboarding flows.

  • Defined UX strategy, mapped complex user journeys, and built scalable interaction patterns for enterprise use.

Print-on-Demand E-commerce Platform

  • Improved key user flows for a global e-commerce platform, focusing on the paid subscription experience and checkout overhaul.

  • Designed the loyalty program UX concept, with auto-renewal flows, failed payment journeys, helping achieve a 66% renewal rate.

  • Collaborated with cross-functional teams and supported research, A/B testing, and UI improvements across platforms.

UX/UI Designer, GlobalLogic

September 2020 - July 2022

Worked on a complex MedTech platform for one of the world’s leading medical technology companies, focused on improving collaboration between medical professionals and engineers in the implant manufacturing process.

  • Designed a central portal integrating multiple applications critical to surgical planning and implant production.

  • Created UX flows and interfaces for:
    App 1 – Used by medical staff to manage surgical plans, patient data, and approval workflows across five distinct user roles.
    App 2 – Focused on secure medical device management and key generation.App 3 – Covered the end-to-end implant manufacturing workflow, from order intake to shipping.

  • Created detailed UX flows and site maps while navigating legacy systems and regulatory constraints.

  • Created internal documentation and usage guides for medical staff and engineers to navigate the system effectively.

UX/UI Designer, IdeaSoft.io

December 2017 - September 2020

Worked on a wide range of B2B and B2C projects, both short- and long-term, across e-commerce, marketplaces, and SaaS. Collaborated with cross-functional teams to design user-centered solutions for international clients.

  • Strong focus on UI design and visual concepts, including brand work for both in-house and client projects.

  • Designed a major Amazon seller platform, automating sales, messaging, and daily operations.

  • Led design for a large auto parts marketplace, improving the customer-facing UI, internal admin tools, and shop builder experience.

  • Created wireframes, interactive prototypes, and high-fidelity UIs for multiple outsourced projects across web and mobile platforms.

Education

UX/UI Design Certification

IT School A-Level

2017

Bachelor's Degree in Business Administration and Management

V. N. Karazin Kharkiv National University

2013 - 2017

Bachelor's Degree of English and German Philology

H. S. Skovoroda Kharkiv National
Pedagogical University

2013 - 2017

Languages

English (Advanced)

German (Pre-Intermediate)

Ukrainian (Native)

Additional Information

- I primarily use Figma for mockup creation and prototyping, complemented by Adobe Creative Cloud tools for specific graphic design tasks.

- Prior experience as an English Teacher, showcasing communication skills and empathy.

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