At | &, a firm specialized in recruitment and talent acquisition, we are looking for a JAVA backend engineer with more than 3 years working with reactive programming. Our client is a international firm of tech consultancy that is working for a retailer developing a high‐performance, internet‐facing API designed to operate seamlessly across both on‐premises environments and the cloud. We are looking for engineers with a strong technical foundatio n, for whom principles like the CAP theorem are not just academic concepts but practical tools used to reason about real‐world systems. 8+ years in Java backend enginee ring, includ ing 3+ years hands-on with reactive program m ing (e.G., Bu ild high-throughput, low-latency APIs with a pragmatic approach to performance, clean design, and real-world trade-offs. Aunque la experiencia profesional y las cualificaciones son clave para este puesto, asegúrese de comprobar si posee las habilidades interpersonales preferibles antes de solicitar, si se requieren. ~ Design and deve lop cloud-native microservices in Java, focusing on scalability, resilience, and maintainability (API-first mindset). ~ Proven experience on Azure or AWS, building and running services in modern cloud environments (managed services, networking, security basics). ~ Deliver with confidence us ing C I/CD and engineering best practices (code reviews, quality gates, automated testing, standards). ~ Act a s a senior technical refer ence: collaborate with product/stakeholders, mentor teammates, and support production with incident handling + root-cause improvements . Immediate start with a permanent contract. ~ REMOTE work model, 38-hour workweek, flexible hours, and career development opportunities. xhfqzwm ~23 vacation days, health insurance, social benefits, remote work allowance, high-end laptop and acces Hay opciones de teletrabajo/trabajo desde casa disponibles para este puesto.