Barcelona, Spain · Full-time · Fully office-based €55,000–€70,000 gross per year Candidates must already be based in Barcelona. Visa sponsorship is not available. Migma is building an AI platform that creates and sends on-brand email campaigns end to end. We are a two-person founding team in Barcelona, hiring a frontend engineer who combines strong React engineering with excellent UI and UX judgment. You will own product experiences from the first sketch to the shipped interface, working directly with the founders. We want someone who can spot a confusing flow, design a better experience, and build it with care. Design and implement polished interfaces in React, Next.js, and TypeScript. Keep frontend code clear, maintainable, and performant. Strong experience shipping React products in production. Excellent HTML and CSS skills, with a clear eye for typography, spacing, layout, and interaction. Good UX judgment and the ability to explain your design decisions. Figma proficiency is useful. Useful extras
Next.js, Tailwind CSS, design systems, animation, or complex editor interfaces. Thoughtful use of AI coding tools, with responsibility for the final code.

📌 Senior Frontend Engineer — React (España)
🏢 Wellfound
📍 España