Senior Frontend Engineer (React / TypeScript)

We're hiring a Senior Frontend Engineer skilled in React / TypeScript to join a growing product team for our client in Valencia. You'll work closely with a Tech Lead, Product Manager and Designer to build and scale the user-facing layer of a modern content operations platform with AI-powered features. This is a hands-on role focused on frontend excellence, with some full-stack exposure when needed. You'll be part of building the engineering hub in Spain of this company, originally from the Netherlands.

Responsibilities

• Build and maintain React / TypeScript applications across client, user and admin interfaces
• Translate designs into high-quality, responsive and accessible UIs
• Design scalable component architectures and reusable UI patterns
• Collaborate in 6-week Shape-Up cycles, shipping fast and iterating pragmatically
• Integrate with backend APIs and make small backend changes (Laravel/PHP) when needed
• Optimize performance, bundle size and frontend reliability
• Collaborate closely with Product, Design and AI teams

Do you have experience in UX?, * Minimum 7-8 years of frontend development experience

• Strong, hands-on expertise with React + TypeScript
• Experience in startup or scale-up environments
• Product-minded engineer who understands UX, trade-offs and delivery
• Comfortable collaborating with designers and PMs
• Fluent English

Nice to Have

• Full-stack exposure (Laravel/PHP is a plus)
• Experience with Shape-Up or similar agile methods
• Experience building design systems or component libraries
• Interest in AI-powered products or workflow automation

• Be part of the first engineering team in Valencia of this company
• Work on a modern, AI-enabled B2B product
• High trust, low bureaucracy, real ownership
• Permanent contract from day one
• Hybrid work model in Valencia
• Quarterly trips to Amsterdam for team alignment