Backend Developer (Java / Spring Boot / AWS) - Assisted Channels ? Spain | Hybrid in Madrid, Barcelona, Málaga or Logroño | Remote in the rest of the country ? Full-time About the role We are looking for experienced Backend Developers specialized in Java and Spring Boot , with strong expertise in microservices architectures and cloud-native development in AWS environments. You will join an international digital transformation project focused on building scalable backend services, event-driven architectures, and modern API ecosystems within a high-availability environment. This role combines backend engineering, cloud-native development, integrations, and modern architectural practices. What you’ll do Design and develop scalable microservices using Java and Spring Boot Define and implement RESTful APIs ensuring performance, scalability, and security Apply clean architecture principles, including hexagonal architecture (ports & adapters)
Develop and maintain persistence layers using PostgreSQL and JPA/Hibernate Build and maintain serverless components using AWS Lambda Contribute to event-driven architectures using AWS services such as SQS and EventBridge Integrate internal and external systems, including CRM platforms via OData Write and maintain unit and integration tests Collaborate with DevOps and cloud teams in AWS environments Follow best practices in CI/CD, version control, and code quality What we’re looking for +3 years of professional experience in backend development Strong hands-on experience with: Java Spring Boot Microservices architectures Experience designing and implementing: REST APIs API versioning and documentation Strong knowledge of: PostgreSQL JPA / Hibernate Experience with: JUnit Mockito unit and integration testing Experience working in AWS environments and cloud-native architectures Understanding of clean architecture principles and separation of concerns Spanish fluent/native level English B2 (spoken and written) – required Highly valued Exp
📌 Backend Developer (Madrid)
🏢 Talent Connect
📍 Madrid
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