Seeking a Senior Frontend Engineer passionate about UX and performance, proficient in React and ready to lead frontend architecture. You'll define the design system and ensure consistent user experience across all products.
⚙️ Responsibilities
1
Lead frontend architecture and establish best practices
2
Build and maintain design system components
3
Optimize Core Web Vitals, performance and accessibility
4
Close collaboration with designers and backend teams
5
Code review and guide junior frontend developers
✅ Requirements
4+ years React/TypeScript experience
Proficient in state management (Redux, Zustand, React Query)
Experience with testing (Jest, Testing Library, Cypress)
Deep understanding of browser performance and optimization
Bonus: Next.js, Three.js, WebGL or design tool experience
🎁 Key Benefits
🏥
Health Care
Annual health check-ups and premium health insurance for all staff.
🌴
Leave of Absence
12 paid annual leave days in addition to public holidays.
📚
Training
Technical training, knowledge sharing, and Japanese language lessons.
🎉
Employee Engagement
Company trip, quarterly team building, New Year party and charity activities.