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.
Senior UI Developer at North
Join North, a premier Barcelona-based digital product studio building high-impact web experiences for brands like Cupra, SEAT, and CaixaBank. We're looking for a freelance Senior UI Developer to own the WordPress and React layer of enterprise marketing sites for our global clients. You'll tackle custom Gutenberg themes, complex marketing integrations, and multi-region subdomain architectures while working in a craft-focused culture. If you have 5+ years of experience and a passion for building high-performing, scalable frontend architectures, this 2-3 month contract is for you.
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Location
Barcelona, Spain
Compensation
Under €7k/month
Company
North
Role overview
Design Services
North is a digital product studio based in Barcelona that builds digital products and services for bold companies. From conceptualization to launch, they partner with industry leaders and fast-growing startups to create impactful interactive experiences that drive business growth. Their approach emphasizes simplicity, elegance, and aesthetics in digital solutions, specializing in user experience design, user interface design, web design, app design, and product design. They work with clients across various industries including automotive, financial services, food, and entertainment.
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.
Who this is a fit for
- 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.
Why this role is remarkable
- Work with an elite client roster including major global 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.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and North wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.