At FERO , we’re looking for a Senior Full Stack Developer to lead the development of our next-generation checkout experience.

You’ll build engaging, performant interfaces in React while collaborating with our PHP backend to deliver seamless checkout flows.

Who We Are

We’re FERO , a high-growth startup reinventing the checkout and payment experience to help our customers increase conversion and revenue.

Backed by top-tier VCs, we’re building our future from the heart of Madrid , combining cutting-edge tech with a collaborative, data-driven culture.

We offer competitive pay, employee equity, and the chance to make a real difference in an environment that values curiosity, creativity, and impact.

What You’ll Do

• Lead End-to-End Features: Develop responsive checkout experiences using , JavaScript, HTML, and CSS, integrated with backends.

Who You Are

• Experienced Full Stack Developer: You enjoy working on both frontend and backend, comfortable with React (or a similar framework) and .

Don’t worry if you don’t check every box - we value curiosity, attitude, and willingness to learn!

What We Offer

• Innovative Environment: Work on greenfield projects and cutting-edge solutions.
• Growth Opportunities: Expand professionally and personally as we scale.
• Collaborative Culture: Join a friendly, supportive, and creative team.
• Flexible Work: Hybrid model – 3 days in office, 2 days remote.
• Competitive Compensation: Great salary, equity, and partial private health insurance coverage.

Ready to Join Us?

Excited to make an impact? Send us your CV in English and let’s build the future of checkout together!