
FERO boosts conversion rates and average order values (AOVs) by delivering unmatched personalisation to every visitor. We predict the likelihood of a visitor abandoning their cart, identify…

FERO boosts conversion rates and average order values (AOVs) by delivering unmatched personalisation to every visitor. We predict the likelihood of a visitor abandoning their cart, identify…
Product: FERO Smart Checkout — AI-driven checkout personalization and payment-path optimization
Headquarters: Amsterdam, Netherlands (Fero Payment Science B.V.)
Seed Raise: $3.0M seed announced Nov 2, 2023
Founders / Leadership: Craig Savage (Co‑Founder & CEO), Chris Stein (Co‑Founder & CCO), Paul‑Christian Stoy (Co‑Founder & CTO)
Scale Signal: Optimizes 10M+ checkouts per month (network claim)
E‑commerce checkout conversion and payment-path personalization
Fintech / E‑commerce
$3.0M
Announcement names Coatue, Volta Ventures and Antler as participating investors
“Coatue, Volta Ventures, Antler (named participants in seed round)”
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Build Seamless Checkout Experiences That Drive Conversion — Join Us in Madrid!
Are you a senior frontend developer passionate about crafting exceptional e-commerce checkout flows? At FERO
, we’re looking for a Senior Frontend Developer
to lead the development of a next-generation checkout experience. You’ll design and build performant, user-friendly interfaces in React
, collaborate closely with backend teams, and ensure smooth integrations with e-commerce platforms and APIs that power our product.
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
What We Offer
Who You Are
Ready to Join Us?
Excited to make a difference? Send us your English CV and let's get started on this amazing journey together!
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Lead Frontend Development:
Architect and implement modern, responsive checkout experiences using React, JavaScript, HTML, and CSS
.
Collaborate Across Teams:
Work closely with backend engineers (PHP/Symfony, Magento, WooCommerce), designers, and product managers to deliver seamless, high-performing user experiences.
Integrate Systems:
Connect to backend APIs (REST, GraphQL), payment gateways, and shipping modules to ensure smooth and secure checkout flows.
Maintain Quality:
Write clean, testable, maintainable code, applying best practices for performance, accessibility, and security.
Optimise for Conversion:
Use data and UX best practices to improve checkout performance and conversion rates.
Stay Ahead:
Keep up-to-date with the latest trends in React, frontend tooling, and e-commerce technology.
Innovative Environment:
Work on cutting-edge solutions in a greenfield setting.
Growth Opportunities:
Join us early and grow with us professionally and personally.
Collaborative Culture:
Be part of a friendly, creative, and supportive team.
Flexible Work:
Hybrid model - 3 days in office, 2 days WFH.
Competitive Compensation:
Great pay, employee equity, and private health insurance partially sponsored by FERO.
Experienced Frontend Developer:
5+ years of professional frontend development experience, with deep expertise in React and modern JavaScript.
Backend-Aware:
Comfortable working with NodeJS + PHP-based backends and understanding systems like Magento 2 and WooCommerce (not a PHP coder, but you can read and collaborate on backend-related tasks).
API Fluent:
Skilled at integrating with REST and GraphQL APIs.
E-Commerce Enthusiast:
Familiar with checkout flows, payment system integrations, and UX best practices for e-commerce.
Performance & Accessibility Focused:
You know how to build fast and accessible experiences.
Collaborative & Proactive:
You enjoy working in a team and aren’t afraid to ask questions or speak up with ideas.
Growth Mindset:
Always eager to learn and adapt to new technologies and challenges.
Eligible to Work in Spain
Excellent English: You are fluent in English, both written and spoken.