Expert API and Integration Test Engineer – Microservices & Automation

Unleash the power of comprehensive testing — drive integration excellence in microservices ecosystems!

Lisbon-based opportunity with hybrid work model (up to 3 remote days per week).

As an Expert API and Integration Test Engineer – Microservices & Automation, you will be working for our client, a leader in digital solutions, focused on delivering robust, high-quality applications across complex distributed systems. Your role is pivotal in shaping the future of scalable, reliable services by implementing and maintaining end-to-end testing frameworks that ensure seamless integration and functionality.

Your main responsibilities:

• Design and implement comprehensive integration tests across microservices, MongoDB, and Kafka environments.
• Build and maintain REST API test suites covering functional, negative, boundary, and error-handling scenarios.
• Apply a BDD approach using Karate, Cucumber, and Gherkin to streamline API and integration testing processes.
• Develop consumer–provider contract tests utilizing tools such as Pact to ensure service compatibility.
• Create and sustain UI automation tests for Angular web applications using Java + Selenium WebDriver, Playwright + TypeScript, and Appium for mobile/hybrid scenarios.
• Integrate all testing suites into Jenkins CI/CD pipelines, covering integration, API, BDD, UI, and contract testing.
• Design and manage test data strategies for MongoDB and Kafka, ensuring accurate and reliable testing environments.
• Collaborate closely with DevOps teams to facilitate testing in Kubernetes and Docker environments.
• Promote quality best practices and advocate for BDD adoption across teams.

You're ideal for this role if you have:

• At least 8 years of experience in API & Integration Testing, particularly within microservices and distributed systems.
• Strong expertise in REST API testing with C#/.NET (xUnit/NUnit/MSTest, HttpClient, RestSharp) and Postman + Newman.
• Proficiency in BDD tools such as Karate, Cucumber/SpecFlow, and Gherkin.
• Hands-on experience with web test automation using Java + Selenium WebDriver (POM, JUnit/TestNG), Playwright + TypeScript, or Appium.
• Solid knowledge of Java, TypeScript, and C#/.NET for test automation.
• Experience working with Jenkins, Git, MongoDB, Kafka, Docker, and Kubernetes.
• Familiarity with testing best practices including SDLC/STLC, automation design patterns, and test pyramid principles.

It is a strong plus if you have:

• Experience with Testcontainers for .NET or Java.
• Knowledge of observability tools like ELK Stack, Prometheus, or Grafana.
• Familiarity with performance testing tools such as JMeter, k6, Gatling, or Karate Gatling.
• Experience with continuous test management tools like Xray or ALM, and testing on device farms using Experitest.
• Knowledge of Karate Mock Server for dependency simulation.

Language Required for the role:

• Fluent English and Portuguese.

Eligibility to work in Europe:

• Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.