Senior SDET (.NET / Automated Testing) – 6 month rolling contract
Sydney
$******* p/d inc super
Join a major retail business on a long running transformation program focused on modernising quality engineering across a large scale .NET environment. This is a senior contract role for someone who can lead from the front in test automation, improve release confidence, and help shape best practice across engineering teams.
What you'll be working on
* Driving automated testing across a .NET transformation program, with a strong focus on C#, Playwright, and scalable test framework design
* Building end to end test coverage across complex workflows, user journeys, and integrated systems
* Improving quality practices across the SDLC by embedding shift-left testing, better test data strategies, and stronger automation coverage earlier in delivery
* Working closely with developers, product, and engineering teams to reduce defect leakage and improve release confidence
* Supporting testing across asynchronous, event-driven, and workflow-heavy applications where reliability and consistency are critical
* Helping uplift automation maturity, regression efficiency, and overall engineering quality standards
What you'll bring
* Strong commercial experience as a Senior SDET or Automation Test Engineer in complex enterprise environments
* Deep hands-on experience with C# and .NET testing ecosystems
* Strong experience with modern automation tools such as Playwright
* Experience testing complex workflows, APIs, integrated systems, and modern web applications
* Solid understanding of test strategy, test data management, and end to end validation
* Ability to work closely with developers and influence quality earlier in the software delivery lifecycle
* Experience in retail, digital, or other fast moving environments will be highly regarded
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