Senior Java Automation Developer - Microservices & Security Testing

Senior Java Automation Developer – Microservices & Security Testing Summary 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 (REST, OpenAPI) Solid understanding of cloud-native architectures and deployments (Docker, Kubernetes).

Strong knowledge of: Security testing methodologies (DAST, fuzz testing) SAST/DAST integration into CI/CD pipelines Deep understanding of cryptography, PKI, and X.509 certificates, and how to validate them in automated tests. Experience working in agile teams (Scrum), with TDD and BDD. Familiarity with large-scale, high-availability distributed systems from a testing and reliability perspective.

Proficient with Atlassian and DevOps toolchains: Jira, Confluence Git (GitLab/GitHub) SonarQube, Jenkins, Nexus, Maven Strong problem-solving skills, capable of analyzing complex systems and designing effective test strategies. Excellent communication skills and a collaborative, team-oriented mindset. Fluent English (spoken and written).

Nice to Have

Experience testing SDKs and client applications (mobile or desktop) that consume backend APIs. Knowledge of mobile phone development concepts and client–server interaction patterns. Experience in financial services, payment systems, or digital currency projects. $$ Somos una empresa comprometida con la igualdad de oportunidades.

Fomentamos la diversidad en todas sus formas y cultivamos un entorno de trabajo inclusivo, libre de prejuicios, discriminación y acoso, donde todas las personas empleadas se sientan valoradas y parte de la comunidad. Damos la bienvenida a todas las candidaturas, independientemente de su sexo, edad, raza, origen étnico, procedencia social y cultural, religión, discapacidad u orientación sexual.

$$ HR Team Spain $$ [email protected] $$ $$ $$ https://career5.successfactors.eu/career?company=gieseckede&career_job_req_id=27757&career_ns=job_application <div