Senior Full-Stack Headless Developer

Job Description At Youwe, we build composable digital platforms that connect systems, data, and customer experiences. As a Senior Full-Stack Headless Developer, you bridge design and backend systems to create seamless, scalable, and high-performing applications for international clients. Working closely with designers, engineers, and clients, you translate creative concepts into technical solutions within a modern headless architecture landscape. From architecture to delivery, you ensure quality, scalability, and technical excellence across every stage of the project. Key Responsibilities Build scalable and maintainable front-end applications using React, Next.js, and TypeScriptDevelop integrations with backend systems via REST APIs, GraphQL, and webhooksWork with API gateways and event-driven architecturesEnsure applications are secure, high-performing, and composable by designCollaborate with designers to translate UI/UX concepts into technical realityWork together with backend engineers and SaaS partners on API contracts and integrationsTake ownership of technical architecture and end-to-end project deliveryGuide and mentor developers through technical leadership and code reviewsEnsure accessibility, usability, and development best practices are applied throughout projects Job requirements 5+ years of commercial experience building modern React applicationsStrong experience with React, Next.js, TypeScript, Node.js, HTML, CSS, and JavaScriptExperience working with REST APIs, GraphQL, and backend integrationsSolid understanding of headless, API-first, and composable architecturesExperience translating business and client requirements into technical solutionsStrong understanding of performance, scalability, and secure development practicesExperience working in multidisciplinary teams and client-facing environments Nice-to-haves Experience with event-driven systems and API gatewaysFamiliarity with SaaS integrations and headless platformsKnowledge of accessibility standards (ARIA, keyboard navigation, WCAG)Experience mentoring developers or leading technical project deliveryExperience within a digital agency or fast-paced project environment Benefits Office lunches, snacks & drinksLearning budget & learning time offFlexible hours & hybrid work options4 weeks remote work per year from anywhereLoyalty days: extra vacation after 3 & 6 yearsBike plan: 40% discount on commuting productsGym/Sports subscription: 40% discount for your gym or sports facility under the Bedrijfsfitness Nederland network About Youwe Youwe is a full-service Digital Agency with over 25 years of delivering value to clients, and a diverse network of over 200 experts. We build digital platforms that connect data, optimize processes, and integrate AI. Our primary goal is to empower businesses with tailored solutions designed to drive revenue growth, enhance profit margins, shorten time-to-market and boost operational efficiency. Every day, we turn curiosity and creativity into solutions that make a real impact. Join our team and make an impact – Apply now!