Senior Test Automation Engineer - Identity & Security (REF5701O)

As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

About the Position

We are looking for a highly skilled Senior Test Automation Engineer to join a team building Germany’s next-generation Identity Provider platform for the national healthcare Telematics Infrastructure (TI), enabling millions of statutory health insurance members to securely access digital healthcare services. This is a security-critical, gematik-regulated platform delivering production-grade OAuth 2.0/OIDC identity services, hardware-backed cryptography, PII protection, and audit-grade quality. In this environment, test evidence is an integral part of every release. As a Senior Test Automation Engineer, you will drive a quality-first approach by implementing automated API, integration, and compliance test suites in Java, ensuring that the platform consistently meets the strict requirements of healthcare and identity management regulations.

Key Responsibilities

• Design, develop, and maintain automated test suites as code using Java.
• Create BDD-based automated test scenarios using Cucumber against REST APIs.
• Automate API testing for OAuth 2.0 and OpenID Connect (OIDC) authentication and authorization flows using RestAssured or similar tools.
• Develop integration tests using JUnit 5, Testcontainers, and WireMock.
• Validate compliance with gematik specifications through traceable, evidence-based test reporting.
• Manage test execution and reporting using Jira Xray and related test management tools.
• Extend automation capabilities into UI, mobile, and performance testing when appropriate.
• Continuously improve automated testing stages within CI/CD pipelines.
• Explore and implement AI-assisted test generation and automation techniques.
• Collaborate closely with development, architecture, security, and DevOps teams in a strong code-review and documentation culture

Required Qualifications

• 4+ years of experience in Test Automation, Quality Engineering, or SDET roles.
• Strong Java programming skills and a test-as-code mindset.
• Hands-on experience with:
  • API test automation
  • REST Assured, Postman, or similar tools
  • Cucumber BDD
  • JUnit 5
  • TDD principles
• Strong understanding of OAuth 2.0 and OIDC-based authentication testing.
• Experience designing scalable and maintainable test automation frameworks.
• Experience working with CI/CD pipelines and Git-based development practices.
• Strong quality-driven mindset with focus on traceability, compliance validation, and test evidence management.
• Fluent written and spoken English.

Preferred Qualifications

• Experience with:
  • Testcontainers
  • WireMock
  • Selenium
  • Appium
• Apache JMeter
• Cotract testing experience using Pact or similar frameworks.
• Test management expertise with Jira Xray.
• Experience with AI-assisted test generation and automation tools.
• Python development or automation experience.
• Experience in healthcare, digital identity, cybersecurity, or regulated industries.
• ISTQB or equivalent testing certifications are beneficial.
• German language skills are considered an advantage.

Soft Skills

• Strong analytical and problem-solving skills.
• Excellent communication and collaboration abilities.
• Highly detail-oriented with a focus on quality and compliance.
• Ownership mindset and proactive attitude.
• Ability to work effectively in cross-functional Agile teams.
• Passion for automation, innovation, and continuous improvement.
• Strong documentation and knowledge-sharing skills.

Technology Stack

Test Automation

• Java
• Cucumber BDD
• JUnit 5
• TDD
• REST Assured
• Postman

API & Integration Testing

• OAuth 2.0
• OpenID Connect (OIDC)
• Testcontainers
• WireMock
• Pact

UI & Performance Testing

• Selenium
• Appium
• Apache JMeter

Test Management & Reporting

• Jira
• Jira Xray
• Evidence-Based Compliance Reporting

DevOps & Development

• CI/CD Pipelines
• Git
• Agile Development Practices

Additional Technologies

• Python
• AI-Assisted Test Automation Tools

What We Offer

• Opportunity to contribute to a mission-critical digital identity platform used by millions of citizens.
• Work with a modern technology stack and an advanced engineering culture.
• Exposure to digital identity, cybersecurity, healthcare, and compliance-driven environments.
• Strong focus on technical excellence, automation, and quality engineering.
• Career growth opportunities in test automation, software quality, identity management, and security engineering.
• International and multicultural working environment with highly skilled professionals

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.