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…
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
Lead Frontend Development:
Architect and implement modern, responsive checkout experiences using
.
What We Offer
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.
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!
Startup jobs. A lot of them.
Your next opportunity is in here somewhere. Sign up to explore 52,000+ startups and their open roles. No spam. No gamification. Just jobs.
52,000+
Startups
65,000+
Open Roles
1,400+
New This Week
Data Scientist
ContractTel Aviv
Contract • Tel Aviv
Software Engineer
Part-timeAustin, US
Part-time • Austin, US
Product Designer
ContractMunich, DE
Contract • Munich, DE
AI Researcher
InternshipAustin, US
Internship • Austin, US
Technical Writer
InternshipUtrecht, NL
Internship • Utrecht, NL
Frontend Developer
ContractTel Aviv
Contract • Tel Aviv
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.
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.
