Frontend engineer

Context & Mission

• Join a Scrum team focused on digital customer onboarding flows
• Contribute to the modernisation of an existing application and the development of new features
• Strong focus on UI quality, scalability, performance, and best practices
• Progressive role in co‑leading front-end development within the team after an onboarding period

Key Technical Skills

• Next.js 14+
  • App Router, Middleware
  • Server & Client Components
  • Rendering strategies: SSR, SSG, ISR
• React 18 & TypeScript
  • Modern React patterns and concurrent features
  • Strict TypeScript typing
• State & Data Management
  • TanStack Query for caching and mutations
  • Complex form handling with React Hook Form + Zod
• Authentication & Security
  • Auth0 integration (preferred)
  • Middleware-based authentication
  • Modern web security best practices
• Testing & Quality
  • Unit testing: Jest, React Testing Library, MSW
  • Accessibility testing aligned with WCAG 2.1 AA
• UI / UX & Performance (partly nice-to-have)
  • Material UI (MUI)
  • Emotion / CSS‑in‑JS
  • Core Web Vitals and runtime performance optimisation
• DevOps & Collaboration
  • Git workflows and code reviews
  • Azure DevOps pipelines
  • Docker basics
  • Feature flagging and monitoring tools
• Analytics & Growth
  • Understanding of A/B testing and its practical application
  • Basic knowledge of Google Tag / Data Layer
  • Basic experience with GrowthBook

Profile Requirements

• 3+ years of front-end experience, including 2+ years with Next.js & React in production
• Strong problem‑solving skills
• High attention to detail, accessibility, and performance
• Experience working in Agile / Scrum environments
• Strong communication and collaboration skills