Senior Frontend Engineer (Vue 3 / TypeScript)

Nix

Romania (Europe) Remote permanent

Posted: February 13, 2026

Required Skills

Job 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.

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

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

Technology Stack:

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

We offer*:

• Flexible working format - remote, office-based or flexible

• A competitive salary and good compensation package

• Personalized career growth

• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)

• 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

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