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. ? What youll bring * Experience with modern PHP. * Relevant professional experience building web applications. * Experience designing scalable systems. * Experience working across the stack, with a stronger background in either frontend or backend. * Strong problem-solving skills. * Ability to work collaboratively within an engineering team. ➕ Good to Have * Experience with React, JavaScript, and TypeScript. * Experience working with eCommerce platforms. * Experience with REST or GraphQL APIs. * Familiarity with checkout or payment flows. ? Who you are * You’ve ideall

📌 Product Engineer (Comunidad de Madrid)
🏢 FERO
📍 Comunidad de Madrid