Castillians is HIRING A

Senior QA Engineer

📍 Europe 🌐 Fully RemoteFull Time
POSTED June 30, 2026

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Tech Stack:

This is a remote position.

The Castillian was successfully deployed to an iGaming client and is currently focused on the following key activities:

  • Performing manual and automated testing for server and client migration, for newly developed features and enhancements, where testing covers frontend, backend, and the environment.

  • Designing, developing, and maintaining automated testing scripts and frameworks.

  • Identifying and prioritizing test cases for automation.

  • Working on API-related automation, including Sanity API test cases.

  • Documenting issues identified during the releases and defining preventive checks for future releases.

  • Collaborating with cross-functional teams to review test cases and aligning automation and testing activities.

  • Developing and running automated test plans and cases to ensure proper coverage of functional and non-functional requirements.

  • Detecting and resolving defects in collaboration with developers.

  • Finding possibilities for ongoing improvement in testing tools and processes.

  • Taking part in all stages of the software development life cycle - from design to deployment.

Please mention you found this job on TestDev Jobs. It helps us get more people to hire on our site. Thanks and good luck!