Join Impress – Europe's leading health‑tech innovator We believe everyone deserves a smile they’ll love. As the largest ortho clinic chain in Europe, we combine cutting‑edge tech with expert care, revolutionizing invisible orthodontics since 2019. With 150+ clinics across 10 countries and rapid growth, we’re improving lives worldwide. We are looking for a Senior Frontend Developer to join our onsite team in Barcelona.

Why We’re Cool
- Work with an international and multicultural team
- Competitive salary
- Teeth aligner and whitening benefits
- Collaborative work environment and positive culture
- Opportunities to grow within a fast‑paced, innovative company and real start‑up experience with big challenges
- Fresh fruits and healthy snacks at the office

What You’ll Do
- Own the Storefront: Build and maintain multiple React‑based frontends covering treatment sales, custom checkout flows, and post‑treatment offers.
- Shape Internal Tools: Develop CRM and management tools using React, Material UI, and TanStack Query that power day‑to‑day operations.
- Bridge Frontend & Backend:



Collaborate closely with backend engineers to integrate payment providers and ensure seamless end‑to‑end flows.
- Raise the Bar on Design: Contribute to design system consistency and quality across all products.

Requirements
- 5+ years of frontend development experience.
- Expert‑level React – you know the internals, not just the API.
- Expert‑level TypeScript – you write it without thinking twice.
- Experience with Next.js is highly desirable.
- Hands‑on NestJS experience is a strong plus – being able to scaffold a CRUD API or a BFF layer independently will make you highly effective here.
- Solid understanding of modern frontend tooling, state management patterns, and performance optimization.
- Experience working in a product team alongside designers and backend engineers.

Nice to Have
- E‑commerce experience – checkouts, payment flows, order management.
- Basic backend knowledge (REST API

📌 Senior Front-end Engineer (Barcelona)
🏢 Impress
📍 Barcelona