North is a Barcelona-based digital product studio that designs and ships end-to-end digital experiences for world-class brands including Cupra, SEAT, CaixaBank, Heura, and Massimo Dutti. Specializing in strategy-led development, North builds enterprise-grade websites that blend high-performance engineering with exceptional UI/UX craft across automotive, fintech, and retail sectors.
Job Description
Join North as a freelance Senior UI Developer to lead the frontend execution of enterprise marketing websites. You will own the integration of custom WordPress themes with React.js components, ensuring seamless performance across global regions. This 2-3 month contract focuses on building scalable, SEO-optimized architectures for high-profile clients in a craft-driven studio environment.
Location
Barcelona, Spain
Why this role is remarkable
- Work with an elite client roster including major integral brands like SEAT, Cupra, and CaixaBank on high-visibility digital projects.
- Operate within a studio culture that prioritizes engineering craft and design excellence over cookie-cutter marketing solutions.
- Own the technical implementation of complex, multi-region architectures including geo-location detection and custom subdomain-based content delivery.
What You Will Do
- Develop custom WordPress themes using Gutenberg blocks and ACF-driven content architectures to empower marketing teams with self-serve templates.
- Build reusable, high-performance React.js components and frontend architecture integrated with modern CSS frameworks like Tailwind and SCSS.
- Implement and manage enterprise-grade integrations including Marketo, Salesforce, GTM, and GA4 to drive business-critical marketing analytics and lead generation.
The ideal candidate
- Over 5 years of UI development experience, specifically featuring 3+ years of deep expertise in both WordPress and React.js.
- Proven track record of delivering enterprise-scale marketing websites with a focus on SEO, Core Web Vitals, and WCAG accessibility.
- Strong proficiency in TypeScript and the ability to manage production environments using Cloudflare, cPanel infrastructure, and performance optimization tools.
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📌 Senior UI Developer (under €6.5k/month) at North (Barcelona)
🏢 Jack and Jill
📍 Barcelona
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