Product Engineer

<p><span>📍 </span><strong>Madrid (Hybrid)</strong></p><p><span> 🕒 </span><strong>Full-time</strong></p><p><br></p><strong>About FERO</strong><p><span>FERO is reinventing checkout for eCommerce.</span></p><p><span>We build high-performance, adaptive checkout experiences that help merchants increase conversion and revenue.</span></p><p><span>Backed by top-tier VCs, we’re building from Madrid with a strong focus on performance, data, and real impact.<br></span></p><strong>🎯 About the role</strong><p><span>We’re looking for a </span><strong>Product Engineer</strong><span> to join our Engineering team.</span></p><p><span>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.</span></p><p><span>We’re looking for someone with relevant professional experience who’s excited to grow as a Product Engineer. Whether your background is stronger in frontend or backend, you’re curious, adaptable, and eager to keep learning across the stack.<br></span></p><strong>💥 What you’ll do</strong><ul><li><span>Build end-to-end features across frontend and backend.</span></li><li><span>Develop modern, responsive user interfaces using React, JavaScript, HTML, and CSS.</span></li><li><span>Build and maintain backend functionality using modern PHP.</span></li><li><span>Work on our WooCommerce checkout plugin and Magento checkout module.</span></li><li><span>Integrate frontend and backend through REST and GraphQL APIs.</span></li><li><span>Collaborate closely with engineers, product managers, and designers.</span></li><li><span>Write clean, maintainable, and testable code.</span></li><li><span>Continuously learn new tools, technologies, and best practices.<br></span></li></ul><strong>🧠 What you'll bring</strong><ul><li><span>Relevant professional experience building web applications.</span></li><li><span>Experience designing scalable systems.</span></li><li><span>Experience working across the stack, with a stronger background in either frontend or backend.</span></li><li><span>Strong problem-solving skills.</span></li><li><span>Ability to work collaboratively within an engineering team.<br></span></li></ul><strong>➕ Good to Have</strong><ul><li><span>Experience with modern PHP.</span></li><li><span>Experience with </span><strong>React, JavaScript, and TypeScript</strong><span>.</span></li><li><span>Experience working with eCommerce platforms.</span></li><li><span>Experience with REST or GraphQL APIs.</span></li><li><span>Familiarity with checkout or payment flows.<br></span></li></ul><strong>🧬 Who you are</strong><ul><li><span>You’ve ideally worked in smaller teams.</span></li><li><span>You’re excited to learn new frameworks, tools, and technologies.</span></li><li><span>You have stronger experience in either frontend or backend and are motivated to continue growing across the full stack.</span></li><li><span>You like being close to the impact of your work. At our size, what you build reaches production and customers fast.</span></li><li><span>You’re happy wearing more than one hat when needed. In a team our size, ownership doesn’t stop at a narrow job description.</span></li><li><span>You’re comfortable when priorities shift as we learn. We’d rather ship, iterate, and improve than wait for perfection.<br></span></li></ul><strong>💼 What we offer</strong><ul><li><span>Permanent contract.</span></li><li><span>Private health insurance (partially covered).</span></li><li><span>Hybrid work (3 days office / 2 remote).</span></li><li><span>Office in a central location in Madrid.</span></li><li><span>Real growth opportunities.</span></li><li><span>High-impact, collaborative environment.<br></span></li></ul><strong>🧭 Hiring Process</strong><ul><li><span>Screening call</span></li><li><span>Technical interview with the Hiring Manager</span></li><li><span>Final conversation</span></li></ul><p><br></p>