Senior Frontend Engineer (Vue 3 / TypeScript)

N-iX is looking for a Senior Frontend Engineer to join the fast-growing team on our project! Our customer is a leading European AI company developing large language models and generative platforms for enterprise and government clients. 

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.

Responsibilities:

• 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
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Requirements:

• 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
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Technology Stack:

• Frontend: Vue 3, TypeScript, Pinia, Vite
• Testing: 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

We offer*:

• Flexible working format – remote, office-based, or hybrid
• Competitive salary and compensation package
• Personalized career growth
• Professional development tools (mentorship programs, tech talks, trainings, centers of excellence)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*Not applicable for freelancers