API Tester (m/f/d)

TestSolutions offers complete solutions in software testing. Since 2007, we have been ensuring the quality of software in industries such as airline, automotive, aviation, finance, healthcare, insurance, mobility, railway and research.

We are always looking for committed API testers (m/f/d) who would like to enrich our team with their know-how.

Your tasks

• Planning, creation and execution of API tests for REST and SOAP interfaces.
• Test automation of API tests with tools such as Postman, Insomnia or Karate.
• Validation of API functionality, performance and security.
• Troubleshooting and analysis of API requests and responses.
• Checking and ensuring API quality in CI/CD pipelines.
• Creating test cases and test scripts to automate API tests.
• Documentation and reporting of test results with recommendations for developers.
• Working with developers, QA teams and DevOps to ensure high API quality.

Your profile

• Experience with API testing and common API testing tools (e.g. Postman, REST Assured, SoapUI, Karate, Insomnia).
• Knowledge of HTTP protocols, JSON, XML, OAuth, JWT and API security aspects.
• Experience with scripting/programming languages such as Java, JavaScript, TypeScript or Python for test automation.
• Understanding of CI/CD pipelines and integration of API testing in DevOps environments.
• Basic knowledge of databases (SQL, NoSQL) and API mocking tools is an advantage.
• Confident handling of Microsoft 365, Teams and Confluence.
• Analytical thinking, structured and accurate way of working.
• Good written and spoken German and English skills.

What you can expect

• Complex IT landscapes in transition and exciting projects in an up-and-coming IT company.
• Training by the team, even in complex technical contexts.
• An international and open atmosphere.
• Communication at eye level.

A cover letter is not necessary if your CV is informative. Attachments such as references or certificates (ISTQB, IREB, Scrum, OKR etc.) are welcome. We particularly welcome applications from people with disabilities, recruit strictly in accordance with the General Equal Treatment Act, take into account the individual needs of employees and create an inclusive working environment. We offer our employees an attractive salary, job security and job-related further training.