CareerPlan

Web UI/UX Engineer - Frontend System Development Department, Rakuten Payment, Inc. (Secondment)

Tokyo, JapanFull-time2026-10-21 → 2026-11-09

Core

Build and enhance the Rakuten Pay mobile application and related frontend services for Rakuten Payment's FinTech ecosystem.

Role type

Senior UI/UX Engineer (Frontend)

Builds

Rakuten Pay mobile app, service sites, campaigns, and advertisements

Domain

FinTech / Mobile Web

Deliverable

product features

Required skills

HTML, CSS, JavaScript, React.js/Vue.js/Svelte/Next.js, TypeScript, Sass/SCSS/Tailwind, UX research (A/B testing), version control, automated testing

Preferred skills

Progressive Web Apps (PWAs), Single-Page Applications (SPAs), Server-Side Rendering (SSR), cloud services/CDNs (Firebase), AI/ML integration, build tools (webpack, Vite), databases, backend/mobile development basics, web accessibility

Technologies

React.js, Vue.js, Svelte, Next.js, Sass, SCSS, Tailwind, Daisy, Bulma, Firebase, webpack, Vite, TypeScript