About FERO

FERO is reinventing checkout for eCommerce.

We build high-performance, adaptive checkout experiences that help merchants increase conversion and revenue.

Backed by top-tier VCs, we’re building from Madrid with a strong focus on performance, data, and real impact.

About the role

We’re looking for a Product Engineer to join our Engineering team.

You’ll help build and improve our next-generation checkout experience, working across our WooCommerce checkout plugin and Magento checkout module. You’ll develop modern React interfaces, contribute to PHP backend services, and help deliver seamless, high-converting checkout flows.

We’re looking for someone with relevant professional experience who’s excited to grow as a Full Stack Developer. Whether your background is stronger in frontend or backend, you’re curious,



adaptable, and eager to keep learning across the stack.

What you’ll do

- Build end-to-end features across frontend and backend.
- Develop modern, responsive user interfaces using React, JavaScript, HTML, and CSS.
- Build and maintain backend functionality using modern PHP.
- Work on our WooCommerce checkout plugin and Magento checkout module.
- Integrate frontend and backend through REST and GraphQL APIs.
- Collaborate closely with engineers, product managers, and designers.
- Write clean, maintainable, and testable code.
- Continuously learn new tools, technologies, and best practices.

📌 Product Engineer (Madrid)
🏢 FERO
📍 Madrid