Karina Kozinsky, Designer in San Jose, CA, United States
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Karina Kozinsky

Verified Expert  in Design


San Jose, CA, United States
Toptal Member Since
May 15, 2020

Karina is a versatile full-stack UI/UX designer with a background in psychology and engineering who enjoys working on complex consumer-facing products from the ground up. Proficient in research and ideation, she is a hands-on visual designer, shaping brand narrative and message. Karina is committed to delivering exceptional user experiences that align seamlessly with business objectives.


Work Experience

Lead Product Designer via Toptal

2020 - PRESENT
Self Innovations
  • Worked on several data products developed on the Self Innovations blockchain platform. Conducted meetings with the clients and internal stakeholders to understand use cases, target audience, main user, and business objectives.
  • Led the product exploratory phase, translating those objectives into product requirements. Produced user and product flows presented to stakeholders.
  • Handled interactions and UI design, as well as prototyping and user testing. Set up and managed the design system in Figma. Maintained close collaboration with developers to ensure the effective execution of the design in the implementation phase.
  • Collaborated with a cross-functional, distributed team of researchers and made substantial contributions to the research. Additionally, co-authored one of the papers published by the institute.
  • Handled visual design, including the logo and branding. Built the company website in Framer.
Technologies: Figma, Adobe CC, Framer, 3D Graphics, Localization, Artificial Intelligence (AI), User Flows, User Stories, Information Architecture (IA), Data Visualization, User Journeys, Journey Mapping, B2C, B2B2C, Accessibility, Product Discovery, Discovery Workshops, UX Research, Business to Business to Consumer (B2B2C), B2B

Senior UI/UX Designer via Toptal

2021 - 2022
  • Optimized the onboarding funnel for direct consumers.
  • Expanded user acquisition beyond paid ads by sharing and referrals.
  • Handled the entire process, from brainstorming workshops to product design and handoff to developers.
  • Handled wireframing, prototyping, usability testing, and visual design.
  • Collaborated on an internal cross-functional team of project managers, engineers, marketing managers, and customer support.
Technologies: Figma, Adobe, User Interviews, Prototyping, User Personas, User Flows, User Journeys, User Journey Maps, B2C, Marketplaces, Marketplace Design, Accessibility, UX Research

Lead Product Designer

2019 - 2021
  • Performed market and user research and product-market fit validation for the two-sided marketplace startup that enables customers to share medical offices.
  • Designed and developed the MVP landing page, tracked analytics, and iterated supported customer development in phase one.
  • Led brainstorming sessions, user journey mapping, service blueprint, flow, and wireframes in phase two.
  • Performed minimal branding and UI design and created and maintained a design system while working on the visual design.
  • Managed development and led a team of six developers while coordinating between stakeholders and the team.
Technologies: Hotjar, HubSpot, Figma, Google Forms, User Interviews, User Flows, Marketplaces, Marketplace Design, UX Research, P2P

UI/UX Designer

2019 - 2019
MyKumbaya. Inc.
  • Worked on user flow and the information architecture for the app, allowing users to tap into a network of close friends to exchange help on tasks requiring high trust.
  • Worked on visual design, UI, and general look and feel.
  • Prototyped in InVision, conducted user testing, and iterated on implementing feedback.
  • Coordinated with developers and prepared assets for the handoff.
Technologies: InVision, Figma, Redesign, P2P, Social Networks

UX Designer

2016 - 2019
  • Designed the B2B2C version of the app, including new user flow and visual design.
  • Redesigned the original app, iterated about the onboarding flow.
  • Created a responsive website, site architecture and scope, wireframing, and visual design.
Technologies: Figma
2001 - 2003

Bachelor of Science Degree in Industrial Design

Hadassah Academic College - Jerusalem, Israel

1995 - 1998

Bachelor of Arts Degree in Psychology and Sociology

Hebrew University of Jerusalem - Jerusalem, Israel


Product Manager Nanodegree



Android Basics Nanodegree

Google | via Audacity


Human-Computer Interaction

University of California San Diego


Figma, Google Forms, Hotjar, Zeplin, InVision, Adobe After Effects, Google Docs, Adobe CC, Adobe, FigJam, Android Studio


iOS, Android, Webflow


JavaScript, HTML, CSS3


UX Design, Mobile Design, User Flows, Web Design, Product Design, UI Design, Information Architecture (IA), User Research, Visual Design, Product Strategy, Interaction Design (IxD), MVP Design, Ideation Workshops, Market Research & Analysis, Illustration, Microinteractions, Framer, Design Systems, Branding, HubSpot, Prototyping, eCommerce, Wireframing, User Testing, Responsive Layout, Personas, UX Audits, Analytics, B2C, User Experience (UX), User Interface (UI), B2B2C, Redesign, Marketplaces, Responsive Design, CRM Systems, Customer Development, Minimum Viable Product (MVP), Google Design Sprints, User Interviews, Data, WebApp, SaaS, SaaS Design, Remote User Testing, Usability Testing, Adaptive Design, CRM Design, Dashboards, Web Dashboards, Dashboard Design, Data Visualization, Business to Business to Consumer (B2B2C), Spline, Design Thinking, 3D Design, Industrial Design, 3D Graphics, Cognitive Psychology, User Psychology, Competition Research, Business Model Canvas, UX Analysis, Critical Thinking, Complex Problem Solving, Product Requirements Documentation (PRD), Coding, Front-end Development, User Experience Design, Data Analysis, User Journeys, Human-computer Interaction (HCI), User Personas, Localization, Artificial Intelligence (AI), User Stories, Journey Mapping, User Journey Maps, Marketplace Design, User Behavior, Accessibility, Product Discovery, Discovery Workshops, UX Research, B2B, P2P, Social Networks

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