Are you motivated to work on high‐impact enterprise platforms at an international level? At Hays, we are looking for a Senior Full Stack Developer (Angular / Java) for a cutting‐edge technological project, within a critical digital platform used by thousands of users globally. If you enjoy clean code, real technical challenges, and working in modern, well‐structured environments... keep reading Job Requirements 4+ years of experience as a Full Stack Developer Modern Angular (19+) Java 17+ and Spring Boot (Security, Data, Cloud) Microservices architecture and REST APIs (Open API) Experience with event‐driven architectures (Kafka, Redis, SSE) Mongo DB and/or Postgre SQL CI/CD, Kubernetes, and testing (unit, integration, E2 E) Fluent English (C1) for an international environment ️ Key Responsibilities Development and evolution of frontend and backend (50/50) Design and maintenance of microservices Implementation of new Angular features Frontend–backend integration and user experience improvement Support and stability in production environments Collaboration within international agile teams What We Offer International enterprise project with high technical complexity Modern technologies and real technical challenges Hybrid work model in Barcelona (2 days onsite / 3 remote) Agile, collaborative, and multicultural environment Does this sound interesting? If you enjoy full‐stack challenges, large‐scale platforms, and want to make an impact with your code... This could be your next project