We're seeking exceptional Frontend Product Engineers to revolutionize email marketing through AI. You'll work across our entire stack to build features that empower businesses to create professional, personalized email campaigns in minutes. Full-time position based in Barcelona with competitive compensation.

Migma.ai transforms email creation from a multi-day process into an instant task. Using AI that understands your brand and content sources, anyone can generate compelling, responsive emails without designers, developers, or marketing expertise. We're democratizing professional email marketing for millions of businesses worldwide.

Thousands of companies and agencies are already using Migma.ai to slash costs, maximize ROI, and send emails that actually convert. And we're just getting started. We're a small, talent-dense team building a category-defining company from Barcelona.

We value high ownership, rapid iteration, and ego-free collaboration. We seek people who care deeply, challenge assumptions, and are driven to build something transformative.

What you'll do

Build and maintain features in React/TypeScript/Next.js, ensuring blazing-fast performance and seamless user experiences

Implement SSR strategies for optimal load times and SEO performance

Structure data with JSON-LD for better search visibility and integration capabilities

Develop our visual email builder, template management system, and real-time preview capabilities

Collaborate with backend, AI, and product teams to surface dynamic content, brand intelligence, and personalization features

Create interfaces that make complex features (auto-updating templates,



AI content generation, multi-project management) feel simple

Drive the complete frontend lifecycle: technical planning, implementation, deployment, and continuous improvement

Champion frontend best practices, performance optimization, and accessibility standards

What we're looking for

Based in Barcelona (on-site/hybrid working model)

5+ years of experience building and shipping modern, high-quality frontend products

Deep expertise in React/TypeScript with strong command of state management, component architecture, and performance optimization

Experience with email rendering quirks, responsive design, and cross-client compatibility

Strong expertise in Next.js and Server-Side Rendering (SSR) for optimal performance and SEO

Experience with JSON-LD and structured data implementation

Proven ability to integrate with backend APIs and collaborate with design/AI teams to deliver pixel-perfect, intuitive experiences

Strong product sense with attention to UX details, accessibility, and the unique challenges of email design

Ability to balance speed with polish, knowing when to ship MVPs and when to perfect features

Fluent English communication skills (written and spoken) - essential for team collaboration





Portfolio of live projects is mandatory - Please do not apply without a portfolio

Email Tech: React Email, MJML, email rendering engines

Backend: Node.js, Python, Golang and Rust

Cloud: Cloudflare, GCP, AWS, Many LLM providers

DevOps & Tooling: Github Actions, Grafana, OTEL, infra-as-code (Terraform)

What We Offer

Highly competitive salary - We believe in compensating top talent accordingly

Full-time position based in our Barcelona office

Work with cutting-edge AI technology in a rapidly growing market

High impact role in a small, ambitious team

Professional growth opportunities as we scale

Modern office in the heart of Barcelona

How We Hire

Submit a brief application and have an intro call with our team

Complete a practical frontend challenge (building a mini email editor component)

Demonstrate your problem-solving approach in technical interviews

Walk us through your most impressive frontend project

Meet the team and discuss how you can help shape Migma.ai's future

About Your Application

Please submit your application in English - it's our primary working language.

IMPORTANT: Include your portfolio with live project links - Applications without portfolios will not be considered. Please include links to your Stack Overflow, GitHub, any designs or projects you're proud of, and anything else that showcases your skills. Include examples of complex UIs you've built, especially any email or content creation tools. We value all backgrounds and experiences - if you're excited about transforming email marketing, we want to hear from you.

📌 Frontend Product Engineer (Madrid)
🏢 Migma
📍 Madrid