Software Development Engineer in Test (SDET)

We are looking for a Senior Software Development Engineer in Test (SDET) for a global company in Gothenburg. Start is in Oct 2026, 12-months limited contract to begin with, possibility of extension after that. What you’ll focus on Translate customer and system behaviour into clear requirements, acceptance criteria and automated end-to-end test cases for complete customer journeys. Design, code and maintain automated validation for complete customer journeys. Validate customer journeys across APIs, backend services, distributed services, customer integrations and graphical clients. Use the IDP’s test, CI/CD, environment and observability capabilities to make journey validation repeatable. Provide the IDP team with concrete requirements and feedback when tooling, environments, test data, simulators or softcars are missing, and help improve those capabilities when appropriate. Integrate end-to-end validation into CI/CD workflows so teams receive fast feedback. Use metrics, logs, traces, monitoring and alerting to understand customer-journey and service health. Contribute to incident investigation and recovery, feeding production learning back into automated tests, reliability and system improvements with sound AI-assisted engineering judgement. What you bring You are fundamentally a software developer who enjoys solving customer problems through code, automation, automated end-to-end test cases and investigation. You may currently work as an SDET, Software Engineer, Quality Engineer, Test Automation Engineer or SRE. The title matters less than your ability to build useful software and establish confidence in complex systems. You understand that reliable automation is software: it needs clear design, readable code, useful failure messages, maintainable test data and environments, and feedback that engineers can act on. You are comfortable learning the domain, exploring unfamiliar systems and working with customers and colleagues to understand what mus