Principal UI Developer

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.

Responsibilities :

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

maintain observability and logging practices for frontend services.

Must-Have Skills

Nice-to-Have Skills

Soft Skills :

able to explain technical decisions to both technical and non-technical stakeholders.