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I’m David Karathomas, a Senior UX Designer based in Berlin with a track record designing end-to-end experiences across mobility, fintech, and automotive sectors. I lead cross-functional initiatives, conduct user research, and help shape design systems that scale. I enjoy turning complexity into intuitive solutions, collaborating with product managers and engineers, and delivering pixel-perfect interfaces for Android and iOS. I’m open to new opportunities to build meaningful digital products.…I’m David Karathomas, a Senior UX Designer based in Berlin with a track record designing end-to-end experiences across mobility, fintech, and automotive sectors. I lead cross-functional initiatives, conduct user research, and help shape design systems that scale. I enjoy turning complexity into intuitive solutions, collaborating with product managers and engineers, and delivering pixel-perfect interfaces for Android and iOS. I’m open to new opportunities to build meaningful digital products.

David Karathomas

UX Designer, UI Designer, Product Designer, +2

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I’m David Karathomas, a Senior UX Designer based in Berlin with a track record designing end-to-end experiences across mobility, fintech, and automotive sectors. I lead cross-functional initiatives, conduct user research, and help shape design systems that scale. I enjoy turning complexity into intuitive solutions, collaborating with product managers and engineers, and delivering pixel-perfect interfaces for Android and iOS. I’m open to new opportunities to build meaningful digital products.…I’m David Karathomas, a Senior UX Designer based in Berlin with a track record designing end-to-end experiences across mobility, fintech, and automotive sectors. I lead cross-functional initiatives, conduct user research, and help shape design systems that scale. I enjoy turning complexity into intuitive solutions, collaborating with product managers and engineers, and delivering pixel-perfect interfaces for Android and iOS. I’m open to new opportunities to build meaningful digital products.

Available to hire

I’m David Karathomas, a Senior UX Designer based in Berlin with a track record designing end-to-end experiences across mobility, fintech, and automotive sectors. I lead cross-functional initiatives, conduct user research, and help shape design systems that scale.
I enjoy turning complexity into intuitive solutions, collaborating with product managers and engineers, and delivering pixel-perfect interfaces for Android and iOS. I’m open to new opportunities to build meaningful digital products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

German

Advanced

Greek, Modern

Fluent

Work Experience

Senior UX Designer at Mobimeo GmbH

February 1, 2022 - December 1, 2023

I was the vertical Designer in a cross-functional team of 10 (product, design, engineering) responsible for two features across Mobimeo’s everyday mobility apps (DB Streckenagent and Mobility Stuttgart). Vertical responsibilities included feature exploration and implementation; conducted qualitative user research, competitor analysis, consulted feature analytics, directed user feedback through interviews and team field trips; participated in ideation and solutioning workshops with Product and Engineering; created user journeys to enable effortless navigation and reduced alarm creation time by 7 seconds on average; designed screens for Android & iOS, introduced updated design system and dark mode; collaborated with engineers to ensure a consistent UX and visuals; conducted regular Design QA; managed app content in the Translation Management System; extended and maintained the design system with other vertical teams; moderated cross-team initiatives for contextual onboarding.

Senior UX/UI Designer at Optiopay GmbH

December 1, 2020 - January 1, 2022

Designed a Fintech B2C product, laid groundwork for a new brand identity, UX guidelines and the design system; explored monetisation opportunities with PMs and designers; designed user flows and wireframes; created high-fidelity prototypes for presentations and testing; conducted usability tests and interviews to validate product assumptions and user journeys; translated insights into design iterations; handed pixel-perfect designs to engineering and supported implementation and final design approval; reported the team’s progress to internal and external stakeholders.

UX/UI Designer at Mapmovingstory GmbH

February 1, 2017 - September 1, 2020

Worked on the digitalisation process in the automotive sector; collected requirements from clients; validated assumptions via user research; created brand identities, designed wireframes, UI and infographics that explained complex industrial processes; wrote user stories for engineers to implement the designs; created an implementation roadmap for stakeholder communication; acted as the main point of contact for engineering communication.

UX/UI Designer at Simby AI

January 1, 2018 - December 1, 2018

Designed user journeys with a focus on a stress-free experience and non-addictive patterns; designed for screenless interactions; supported the founder with investor communication; participated in creative workshops.

Graphic Designer at X!TE Agency

March 1, 2012 - September 1, 2016

Created brand identities, concepts, and websites for clients in the Greek Tourism Industry; designed user flows and UI for a SaaS solution targeted at small and mid-sized businesses; acted as the main contact point for engineering communication; drafted an implementation roadmap for stakeholder communication.