Senior Frontend Engineer, BSS Platform - BSS Development Department (BSDD)
Core
Design, develop, and maintain high-performance, production-grade frontend applications for Rakuten Mobile's Business Support System (BSS), including subscriber self-service portals, onboarding flows, plan management, and internal operational tools.
Role type
Senior Frontend Engineer (BSS Platform)
Builds
Customer-facing web applications and mobile app interfaces for onboarding, plan management, and billing integration.
Domain
Telecommunications / Business Support Systems (BSS)
Deliverable
production ML models | product features
Required skills
React, TypeScript, RESTful API integration, modern CSS (CSS Modules/styled-components), frontend testing (Jest/Vitest, Playwright/Cypress), CI/CD pipelines (Webpack/Vite, GitHub Actions), technical design (HLD/LLD), code review leadership, accessibility standards.
Preferred skills
Micro-frontend architecture, server-side rendering/static site generation (Next.js), frontend observability (Datadog RUM, Sentry), design systems, GraphQL/BFF patterns.
Technologies
React, TypeScript, Kubernetes, Webpack, Vite, GitHub Actions, Jest, Vitest, Playwright, Cypress, Next.js, Datadog RUM, Sentry.
Responsibilities
Lead technical design for new UI features and system enhancements; conduct code reviews and uphold engineering quality; diagnose and resolve complex frontend production issues; mentor junior and mid-level engineers; contribute to CI/CD pipeline improvements and frontend observability tooling; champion accessibility and cross-browser compatibility standards.
Seniority
Senior, hands-on IC with mentorship responsibilities.