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# Frontend Engineer (Vue 3 / TypeScript)

- **Company:** Selección De País
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Automation of Tests, Cascading Style Sheets (CSS), Code Review, Continuous Integration, Data Security, Performance Tuning, E2e Testing, Responsive Web Design, TypeScript, Web Content Accessibility Guidelines, WebSocket, Delivery Pipeline, Large Language Models, Backend, Git, Vue.js, Webpack, Material UI, Integration Tests, Playwright, Real Time Data, Front End Software Development, Restful APIs
- **Published:** July 28, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

4+ years of professional frontend development experience (most of which should have been in a production setup with real customers)
Strong expertise in Vue.js (Vue 3) and TypeScript
Proven experience implementing accessibility (A11y) standards
Experience with state management (Pinia or similar)
Solid experience with E2E testing (Playwright or equivalent)
Strong CSS skills and experience with responsive design
Experience working in monorepo environments (Nx or similar)
Ability to take ownership and contribute at an architectural level
Nice to have:
Experience building chat, messaging, or real-time interfaces
Familiarity with WebSockets, SSE, or real-time data flows
Experience with AI-powered user interfaces
Experience with design systems or component libraries
Knowledge of CI/CD pipelines and frontend performance optimization

## Description

We are a leading European AI company developing large language models and generative platforms for enterprise and government clients.
Our products combine high-performance technologies, transparency, accessibility, and data security, fully aligned with European regulatory and ethical standards.
As a Senior Frontend Engineer, you will take ownership of building scalable, accessible, and high-quality user interfaces, including chat-based AI experiences. You will work closely with product, design, and backend teams to deliver inclusive, reliable, and maintainable frontend systems., Design, build, and maintain frontend applications using Vue 3, TypeScript, Pinia, and Vite
Own and promote Accessibility (A11y) standards, ensuring inclusive user experiences
Develop and maintain chat-based user interfaces integrated with backend APIs
Write and maintain End-to-End tests using Playwright
Work within a Nx monorepo and contribute to frontend architecture decisions
Ensure high code quality through reviews, testing, and best practices
Optimize performance, scalability, and long-term maintainability
Collaborate closely with designers, backend engineers, and product managers, Frontend: Vue 3, TypeScript, Pinia, ViteTesting: Playwright (E2E), unit & integration testing
Architecture: Nx monorepo
UI & Styling: Modern CSS, responsive design, accessibility-first approach (A11y)
Integration: REST APIs, real-time interfaces (WebSockets / SSE - nice to have)
Tooling & Workflow: Git, CI/CD pipelines, code reviews, automated testing
Standards: Accessibility (WCAG), performance optimization, maintainable frontend architecture


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