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Assemblio • Stuttgart, Baden-Württemberg, Germany
Role & seniority: QA Engineer (mid–senior level) in a SaaS environment
Stack/tools: Automated testing frameworks (Cypress, Jest or similar); API testing (REST, gRPC); CI/CD pipelines; containerized environments; test management and defect-tracking tools
Define and implement a comprehensive QA strategy focused on reliability and performance
Design, develop, and maintain automated tests (unit, integration, end-to-end); perform manual/exploratory testing as needed
Collaborate with Backend, Frontend, DevOps, and Product; manage regression testing, release validation, and quality improvements across the team
Must-have skills: Several years in SaaS QA; strong automated testing experience; API/integration testing; CI/CD and modern development environments; containerization; test management and defect tracking; analytical, solution-oriented mindset; team collaboration and good English (German a plus)
Nice-to-haves: German language skills
Location & work type: Location and work type not specified; no stated remote/onsite arrangement
Your Responsibilities As a QA Engineer at Assemblio, you are responsible for ensuring the quality, stability, and reliability of our SaaS platform. You design and execute testing strategies that guarantee our product meets the highest standards before reaching our customers. Together with a motivated, cross-functional team, you ensure that new features are not only innovative but also robust and production-ready. You… define and implement a comprehensive QA strategy focusing on reliability and performance. design, develop, and maintain automated tests (unit, integration, and end-to-end tests). execute manual and exploratory testing where automation is not applicable. collaborate closely with Backend, Frontend, DevOps, and Product teams to ensure end-to-end quality. build and maintain CI/CD-integrated testing pipelines to ensure continuous quality assurance. analyze test results, document defects clearly, and track them through resolution. ensure regression stability and oversee release validation processes. contribute to improving testing standards, frameworks, and quality processes across the engineering team.
Your Impact at Assemblio As a QA Engineer, you play a crucial role in safeguarding the quality of our platform. You are the quality advocate within our development lifecycle and ensure that features meet both technical and user expectations. By working closely with Engineering, Product Management, and DevOps, you help establish a strong quality culture and continuously improve our development processes. You are a key enabler for product stability, customer trust, and sustainable growth.
What You Bring Several years of experience as a QA Engineer, Software Tester, or similar role in a SaaS environment Strong experience with automated testing frameworks (e.g. Cypress, Jest, or similar) Solid understanding of API testing (REST, gRPC) and integration testing Experience working with CI/CD pipelines and modern development environments Familiarity with containerized environments Experience with test management tools and structured defect tracking Strong analytical thinking and a structured, solution-oriented working style Team-oriented mindset with excellent communication skills Very good English skills; German is a plus