QA Engineer - Financial Trading Systems

Mainframe Finance AG in Zürich seeks a QA Engineer focused on financial trading systems. You will design test strategies for edge cases, build automation pipelines, and influence release decisions with strong judgment.

You'll automate REST, WebSocket, and gRPC tests, read backend code to align tests with implementation, and perform manual exploration where needed to prevent real-money losses. You will work closely with developers to ensure robust, compliant software under load.