Apply on Employer Site

Mobilunity | Dedicated Development Teams · 1 day ago

UI/UX Designer (part-time)

United States

Part-time

Remote

Mid Level

3+ years exp

Mobilunity is representing a well-established financial institution from Japan, seeking a part-time UX/UI Designer. The role involves creating customer-facing prototypes for an AI-native auction platform, focusing on user experience and visual design across core functionalities.

Mobile AppsSoftwareWeb DesignWeb Development

Responsibilities

Own UX/UI for three core flows: Create Listing from photos + AI-assisted metadata & description + Auction Experience with real-time bidding Logged-in Buyer Flow (win screen + payment handoff)

Create pixel-perfect designs in Figma (or Paraflow• Figma), ensuring visual continuity and a cohesive design language

Produce developer-ready assets: component specs, redlines, interaction notes; ideally exportable HTML/CSS layouts for key screens

Establish a lightweight design system (colors, type, spacing, components, states)

Design with i18n in mind (JP default; handle non-Latin scripts, variable text length)

Collaborate in short daily check-ins (EU morning); iterate quickly on feedback

Support handoff to a React developer (Vite/Gatsby) integrating a GraphQL API

Qualification

UI/UX design experienceFigma expertiseI18n design experienceDesign systems creationResponsive UI designHTML/CSS proficiencyAutomotive experienceGraphQL familiarityAccessibility awarenessAI content understandingEnglish proficiencyCommunication skills

Required

3+ years UI/UX experience with a strong web product portfolio (marketplaces, fintech, or media a plus)

Expert in Figma (components, auto-layout, variants, prototypes); comfort reviewing Paraflow flows

Proven i18n design chops (CJK or other non-Latin scripts; typography & layout for multi-byte languages). The designs will be in English but the launch in Japanese, so previous work with Asian or Cyrillic languages would be good

Experience crafting design systems and responsive UI for mobile-first web

Ability to deliver clean, semantic HTML/CSS for core layouts (nice-to-have but strongly preferred)

Excellent communication; comfortable with async work and quick iterations

English – Upper Intermediate and higher