Senior Java Automation Developer – Microservices & Security Testing

We are looking for a Senior Java Automation Developer to lead the design and implementation of an automation framework for our cloud-native, microservices-based Trusted Service Manager (TSM) backend. The role focuses on building robust, scalable test automation solutions for Java/Spring Boot 4 microservices, cryptography operations, and API-first services running on Kubernetes.

Key Responsibilities
- Lead the design, development, and maintenance of test automation frameworks for TSM backend microservices (Java, Spring Boot 4, Spring Cloud, MongoDB).
- Implement comprehensive automated test suites (unit, integration, API, end-to-end) for cloud-native services deployed on Docker/Kubernetes.
- Design and execute advanced security testing:
- DAST (Dynamic Application Security Testing)
- Fuzz testing for APIs and cryptographic operations
- Build automation around API-first architectures (REST, OpenAPI), including contract testing and API validation.
- Integrate automated tests into CI/CD pipelines,



ensuring high coverage and fast feedback for every deployment.
- Incorporate cryptography-related validation into test suites, including PKI workflows, X.509 certificates, and secure key usage.
- Apply agile methodologies (Scrum), TDD, BDD, and secure coding/testing best practices (SAST, DAST).
- Collaborate closely with backend developers, DevOps engineers, QA, and security teams to ensure robust and secure software delivery.
- Contribute to test observability and reporting, improving traceability, logging, and metrics for test runs.
- Mentor team members on test automation strategies, frameworks, and tools.

Required Skills & Experience
- University degree in Computer Science, Software Engineering, or a related field.
- Strong experience as a Java developer with a focus on test automation.
- Hands-on experience building automation frameworks for:
- Microservices (Java, Spring Boot)
- API-first services (RE

📌 Senior Java Automation Developer – Microservices (Barcelona)
🏢 Giesecke+Devrient
📍 Barcelona