Senior Frontend Developer

Overview

Senior Angular developer to design, build, and migrate large SPAs and micro‑frontends.

Key Responsibilities

• performance optimization
• ci/cd pipelines
• monorepo architecture
• angular development
• microfrontend integration
• automated testing

Tasks

Optimize application performance with strategies such as lazy loading, differential loading, change detection tuning, and bundle optimization. Collaborate cross-functionally with backend, QA, and DevOps teams to build robust CI/CD pipelines and deployment workflows. Architect and maintain projects within an Nx monorepo, ensuring modularity and maintainability. Design, develop, and optimize scalable Angular applications and microfrontends using Angular, TypeScript, and RxJS. Implement and manage microfrontend integration using single-spa and SystemJS. Conduct peer code reviews, mentor mid-level/junior engineers, and drive adoption of front-end best practices. Build reusable UI components, enforce consistency in styling, and ensure compliance with accessibility standards (WCAG). Establish and maintain automated testing suites (unit + e2e) using Jest/Karma and Cypress/Playwright. Troubleshoot, debug, and resolve production issues; maintain observability and logging practices for frontend services. Lead the migration from Angular 16 → 19, including planning, compatibility analysis, incremental rollout, and testing strategies.

Requirements

• angular
• nx
• docker
• ci/cd
• webpack
• typescript

What You Bring

About the Role We are seeking an experienced Senior Angular Developer to design, build and maintain large scale, high-performance single-page applications (SPA) and micro-frontends. You’ll play a key role in migrating our product from Angular 16 to Angular 19 within an Nx monorepo, leveraging single-spa, SystemJS, and webpack. This role offers the opportunity to shape architecture decisions, establish best practices, and mentor a growing team. Exposure to SSR/Angular Universal. Hands-on experience with Nx monorepo architectures (managing apps/libs). Experience with Docker/Kubernetes and cloud deployments. Strong testing background (unit + e2e). Excellent debugging and performance profiling skills. Experience in CI/CD pipelines and Git workflows. Experience mentoring team members and leading small engineering initiatives. Strong understanding of webpack configuration and build optimization. Proven experience in micro frontend development with single-spa and SystemJS. Prior experience migrating Angular major versions. Familiarity with feature flags, observability tools (Sentry/NewRelic), and frontend security practices (XSS, CSP). Strong TypeScript expertise. Knowledge of telecom domain. Strong communication skills, able to explain technical decisions to both technical and non-technical stakeholders. Nice-to-Have Skills Strong communication skills; able to explain technical decisions to both technical and non-technical stakeholders. Strong understanding of UI/UX principles and accessibility (a11y). Familiarity with state management (NgRx or similar). 5+ years of experience with Angular (components, DI, lifecycle hooks, change detection, RxJS). Ownership mindset and ability to balance trade-offs pragmatically.

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About Rakuten Symphony

-Began as a spin-out from Rakuten Mobile’s virtualized 5G network launch. -Developed a cloud-native, open-interface telecom stack using commodity servers and Kubernetes. -Strategic partnerships with 1&1 in Europe and AT&T in the U.S. to expand Open RAN and telco-cloud services. -Supported by Rakuten Group’s digital ecosystem, leveraging strengths in e-commerce, fintech, and cloud services.

Sector Specialisms