Senior Frontend Engineer — React & UI/UX at MigmaAI

MigmaAI; Barcelona; Presencial; EUR 55.000 - 70.000; Jornada completa

Descripción de la vacante

MigmaAI in Barcelona is seeking a Senior Frontend Engineer to own end-to-end product experiences using React, Next.js, and TypeScript. You will collaborate directly with the founders, transform sketches into shipped interfaces, and improve onboarding and core journeys.

You'll craft polished interfaces with strong HTML/CSS, thoughtful typography, and accessible interactions, maintain performance, and help shape our AI-powered email campaign platform while working in person in Barcelona.

Formación

• Proven experience shipping React products in production.
• Excellent HTML and CSS skills with strong typography and layout sense.
• Good UX judgment and ability to explain design decisions.
• Experience turning designs into working interfaces; familiarity with Figma is a plus.
• Ownership and clear communication in a small team.

Responsabilidades

• Improve onboarding, campaign creation, the editor, and core product journeys.
• Design and implement polished interfaces in React, Next.js, and TypeScript.
• Build reusable components and maintain visual consistency.
• Handle responsive layouts, accessibility, and loading/error states.
• Use feedback and analytics to drive improvements.
• Keep frontend code maintainable and performant.

Conocimientos

React

HTML/CSS

UX judgment

Figma

TypeScript

Communication

Ownership

Herramientas

Next.js

Tailwind CSS

Design systems

Animation

Editor interfaces

Descripción del empleo

Apply for Senior Frontend Engineer — React & UI/UX at MigmaAI in Barcelona, CT, ES. This Visa sponsorship job abroad position offers great opportunities for career growth. 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. Help make powerful AI feel simple. 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.

What you will do

• Improve onboarding, campaign creation, the editor, and other core product journeys.
• Design and implement polished interfaces in React, Next.js, and TypeScript.
• Build reusable components and keep the product visually consistent.
• Handle responsive layouts, keyboard navigation, accessibility, and loading, empty, and error states.
• Use customer feedback and product analytics to decide what to improve.
• Keep frontend code clear, maintainable, and performant.

What we need

• 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.
• Experience turning designs into working product interfaces; Figma proficiency is useful.
• Ownership, clear communication, and comfort working in a small team.
• Already based in Barcelona and able to work with the founding team in person.

Useful extras

• Next.js, Tailwind CSS, design systems, animation, or complex editor interfaces.
• Experience building AI product interfaces or improving onboarding and activation.
• Thoughtful use of AI coding tools, with responsibility for the final code.

Hiring process

We start with a short introductory call, followed by a product and code walkthrough with practical pairing with the founding team.

Job Type: Full-time

Pay: 55,000.00€ - 70,000.00€ per year

Work Location: In person