Role Overview

The FACTORY EC Development Group builds the e-commerce platform for TOYOTA UPGRADE FACTORY, a service that lets customers add genuine Toyota/Lexus options to their vehicles after purchase. As a Lead Frontend Engineer, you will drive UI architecture and implementation, and help define the engineering direction of the frontend team.

Responsibilities

• Lead frontend architecture and implementation decisions for the FACTORY EC platform
• Build responsive, accessible, high-performance web UIs using React or Vue
• Define frontend engineering standards, tooling, and processes
• Review code and mentor junior and mid-level frontend engineers
• Collaborate with designers, backend engineers, and product managers
• Drive performance optimisation, SEO, and accessibility improvements

Requirements

• 6+ years of frontend engineering experience, with lead-level responsibility
• Expert-level JavaScript / TypeScript skills
• Deep experience with React or Vue (understanding of state management, SSR, etc.)
• Familiarity with build tooling (Vite, Webpack, etc.)
• Understanding of web performance, accessibility (WCAG), and SEO
• Business-level Japanese

Nice to Have

• Experience with Nuxt.js or Next.js
• Knowledge of e-commerce platforms or checkout/payment flows
• Design system experience
• English communication skills

What We Offer

• Competitive lead-level salary
• Hybrid work with offices in Tokyo and Osaka
• Shape the frontend of a growing e-commerce platform within the Toyota ecosystem