UI Architect

Location: Tokyo, Japan Experience: 15+ Years Role Overview We are looking for an experienced UI Architect to define and drive the frontend architecture, design system strategy, and UI modernization initiatives for enterprise-scale applications. The role will be responsible for creating secure, scalable, accessible, and high-performance user experiences while providing technical leadership across development teams. Key Responsibilities Define frontend architecture, standards, and best practices. Establish reusable component libraries and enterprise design systems. Lead frontend solution design and guide development teams. Define UI-to-API/BFF integration patterns. Ensure application scalability, accessibility, security, and performance. Drive UI modernization initiatives and conduct architecture/design reviews. Collaborate with business, UX, and engineering teams to deliver consistent user experiences. Mandatory Skills 15+ years of experience in UI Architecture and Frontend Solution Design. Strong expertise in: UI Architecture Frontend Development & Design Patterns Design Systems & Component Libraries Responsive Web Applications Technical Leadership Solid understanding of: Accessibility Standards Frontend Security Performance Optimization Strong business-level English communication skills. Preferred Skills Japanese business communication skills. Hands-on experience with: ReactJS Angular TypeScript Micro-Frontend Architecture API/BFF Integration Knowledge of: WCAG Accessibility Standards Frontend Performance Optimization Good-to-Have Banking or Capital Markets experience. Design Tokens and Design System Governance. Figma Integration. Progressive Web Applications (PWA). Expected Deliverables Frontend Target Architecture Design System & Reusable Component Strategy UI/API & BFF Integration Patterns Coding, Accessibility, Security & Performance Standards UI Modernization Roadmap Architecture Review & Governance Outcomes