Senior React Engineer

Who We Are Oscar Mobility is redefining car rental across Europe. With 650+ locations across Denmark, Netherlands, Spain, Germany, Belgium, and the US, we are scaling fast and rewriting the rules of mobility. Our asset-light, data-driven platform enables car dealerships and workshops to unlock new revenue by turning idle vehicles into profitable rental services. We are a marketplace at our core: connecting supply with demand, and growing both sides. The Opportunity We need a Senior React Engineer to help us scale globally. You'll work on our platform built with React and Storyblok, handling everything from the customer booking experience to the dealer management tools. This isn't just another React job - you'll be building the infrastructure that powers our expansion into new markets while working with a tech stack that gives content teams real flexibility through Storyblok's CMS capabilities. 📍 Location : Preferred hybrid from Spain, remote possible within the EU 📅 Employment type : Full-time with employment contract (for candidates in Spain) ⚙️ Our Stack: React.js, Next.js, JavaScript, TypeScript, Storyblok CMS, Tailwind CSS. We focus on building Storyblok-powered applications with seamless content management experiences, optimized for SEO, performance, and scalability. RESTful API integrations, MVC architecture, and modern development practices in Agile environments. You'll spend your time building and improving our React applications integrated with Storyblok for content management. Some days you're optimizing the booking flow for customers, other days you're building analytics dashboards and management tools for our dealer partners. We're mobile-first in our design philosophy, so you'll ensure our web platform delivers excellent experiences across all devices. You'll also work on making sure our platform can handle multiple countries, currencies, and languages as we expand internationally. The role involves collaborating with product and design teams, plus you'll have input on technical decisions as we scale. Must have: 5+ years of hands-on full-stack or frontend-heavy development experience Strong skills in React.js, Next.js, and TypeScript Proficient in HTML5, CSS3, and Tailwind CSS Solid experience with API integrations (particularly REST) Strong knowledge of MVC architecture and Agile environments Familiarity with advanced Next.js features such as caching techniques, partial prerendering and Incremental Static Generation. Good understanding of SEO, performance optimization, and accessibility Attention to detail and passion for writing clean, reusable code Good level of spoken and written English Bonus points for: Hands-on experience with Storyblok or other headless CMS platforms React Native experience (we also have mobile apps built with React Native) Experience with larger, more complex web architecture Background in automotive, mobility, or marketplace platforms Growth story: We've proven the model works across multiple EU markets and now we're taking it to the U.S. You'd be joining at the right time to have real impact on our expansion. Technical challenges: Building for multiple markets, handling real-time inventory, payment processing, and mobile-first experiences. Plus the interesting challenge of balancing B2C and B2B needs in the same platform. Team: Small enough that your contributions matter, experienced enough to provide mentorship and growth opportunities. Flexibility: Hybrid environment with competitive salary and equity. We care about work-life balance and professional development. Ownership: You build it, you own it. Get ready to help us pick the right technology to boost our growth. No legacy code to maintain or outdated stacks. Flexibility and a competitive package: Remote-friendly environment, competitive compensation, and a trust-based work culture. What's Next Apply - Submit your CV, cover letter, and references to any Git projects First screen - Introductory call to discuss experience and expectations Skills test - Complete a short technical assessment Interview with Tech Leads - Meet our Tech leads and discuss your test and approach Final Interview with CTO - Get to know each other, the product and technology vision, team setup, and roadmap Offer - Receive your contract and get started! 🚀 Interested? Send your resume and a note about why Oscar Mobility caught your attention. Include links to relevant work or GitHub if you have them. We're looking forward to hearing from you.