HCLTech in Córdoba, Spain, is seeking a Senior Java Backend Engineer to design and build robust backend solutions for omnichannel retail and order management. You will work on Java microservices, API design, and cloud-native deployments. Join a fast-paced Agile team, collaborate with DevOps and QA, and contribute to scalable, secure systems using Docker, Kubernetes, and AWS. Fluency in English required; experience with OpenAPI/Swagger and modern testing tools is valued.