The Company
Our client is a large retail chain with technology at its forefront. Operating many stores and growing digital platforms. This role supports its technology ecosystem by designing and executing automated performance tests, analysing system behaviour, and collaborating with development and operations teams to ensure applications are scalable, reliable, and performant across digital services and customer platforms.
The Role
We're looking for a senior performance tester to help build and maintain performance testing frameworks, design and execute automated load tests, and analyse system behaviour to ensure scalability, reliability and performance. Whilst the focus of this role is on non-functional testing, as part of the squad work, the role also requires performing functional testing as well.
Key Responsibilities
Plan and execute functional and non-functional (performance) testing activities
Define, monitor, and drive performance metrics and benchmarks
Build and enhance performance testing frameworks and scripts, integrated into CI/CD pipelines
Design and execute load, stress, spike, and soak tests using k6 and TypeScript
Analyse performance results to identify bottlenecks, risks, and optimisation opportunities
Collaborate with engineering teams to ensure test environments are properly configured and instrumented
Provide insights and recommendations to improve system performance, reliability, and scalability
Develop and maintain performance dashboards, reporting, and monitoring metrics
Contribute to performance engineering practices, including profiling, tuning, and capacity planning
Support test data generation and setting management
Operate effectively within Agile delivery teams,



working independently when required
Help develop and strengthen performance testing capabilities across engineering teams
Apply strong troubleshooting, analytical, and problem-solving skills
Communicate clearly and collaborate effectively across technical and non-technical stakeholders
Bring an cutting-edge mindset when working across complex technical environments
Key Skills
Proven experience with k6 and TypeScript for performance testing
Strong understanding of web and application technologies (HTTP, REST APIs, WebSockets) and Azure cloud environments
Experience working with CI/CD pipelines (e.g., GitLab CI, Azure DevOps)
Ability to analyse performance results using Application Insights, Grafana, and Dynatrace
Solid understanding of performance testing principles and metrics
Familiarity with Adobe Campaign, Magento, and Adobe Journey Optimiser
Apply Today
Please send your resume by clicking on the apply button.
Alternatively, you can reach out to Freddy Myers on LinkedIn.
Job Reference Number:
****************FM
This is a hybrid position.
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📌 Performance Tester (Melbourne)
🏢 Robert Half Australia
📍 Melbourne