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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java / Kotlin Engineer - **Company:** Schwarz Digits - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Artificial Intelligence, Cloud Computing, Code Review, Cyber Security, Continuous Integration, Relational Databases, PostgreSQL, TypeScript, Spring-boot, Vue.js, Kotlin, Kubernetes, Front End Software Development, Docker, Programming Languages - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/java-kotlin-engineer-m-f-d-en-madrid-ID-365543545 ## About the Role Strong development experience in Java (Spring Boot) Frontend development skills with a focus on Typescript and Vue.js Proficiency with relational databases (ideally PostgreSQL) Hands?on experience with end?to?end testing (Unit, Integration, E2E) Professional working proficiency in English Strong communication and teamwork skills for international teamwork Fearless approach to learning new programming languages and technologies Valuable: Knowledge of Kotlin (Ktor) Valuable: Experience with continuous integration and deployment (CI/CD) pipelines Valuable: Hands?on experience with Docker Valuable: Familiarity with Kubernetes Valuable: Experience in GCP #J-*****-Ljbffr ## Description Schwarz Digits creates the technological foundation for digital sovereignty in Europe.As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero.At the same time, we operate as an independent provider in the external market to support companies across Europe in their digital transformation.We bundle our core services in the areas of Cloud, Cyber Security, Data & AI, Communication, and Workspace.Join us and contribute to digital sovereignty in Europe.With us, you will work at the intersection of agility and security: you will benefit from fast decision?making processes, enjoy genuine creative freedom in your projects, and be able to build upon the stable foundation of the Schwarz Group.Your TasksDesign, implement, and deploy new features based on evolving business requirementsWrite clean, efficient and maintainable code following industry best practicesConduct thorough code reviews to ensure system maintainability and high qualityCollaborate closely with product owners, the engineering team, and cross?functional membersDraft and maintain clear, comprehensive documentation for architectural system designsYour ProfileStrong development experience in Java (Spring Boot)Frontend development skills with a focus on Typescript and Vue.jsProficiency with relational databases (ideally PostgreSQL)Hands?on experience with end?to?end testing (Unit, Integration, E2E)Professional working proficiency in EnglishStrong communication and teamwork skills for international teamworkFearless approach to learning new programming languages and technologiesValuable: Knowledge of Kotlin (Ktor)Valuable: Experience with continuous integration and deployment (CI/CD) pipelinesValuable: Hands?on experience with DockerValuable: Familiarity with KubernetesValuable: Experience in GCP#J-*****-Ljbffr ## Related Videos - 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