Technical Integration Test Engineer – MuleSoft / API Integration

Tarkine Consulting is supporting a major insurance client on a MuleSoft/Integration Platform engagement, helping stand up testing capability for a newly formed MuleSoft squad. As part of this work, we're looking to engage a senior Automation Tester with genuine hands-on MuleSoft platform experience to join an established delivery team. This is a hands-on role by design, centred on validating MuleSoft APIs deployed on CloudHub rather than general web automation. You don't need to be a pure MuleSoft specialist — a blend of established API automation fundamentals (REST Assured, JUnit, Spring Boot) alongside genuine MuleSoft platform exposure is exactly the mix that works well here. The role You'll contribute to end-to-end testing of MuleSoft-based APIs, with a strong emphasis on automation and integration quality. Responsibilities typically include: Validating MuleSoft APIs hosted on CloudHub through end-to-end functional API tests — request/response behaviour, error handling, and downstream interactions — using Bruno/Bruno CLI or PostmanBuilding and maintaining automated API regression suites for Mule flows, with data-driven testing and JSON/XML schema validationContributing to MuleSoft platform testing using Anypoint Platform knowledge, validating deployed APIs and specifications (Swagger/OpenAPI)Creating and using service virtualisation/mocking (Hoverfly/WireMock) to stabilise automated testing during migration and changeEmbedding MuleSoft API test automation into CI/CD pipelines using GitHub workflows as quality gatesSupporting API security and observability (Splunk/New Relic), alongside performance testing (Gatling/JMeter) What we're looking for 5+ years' experience in senior automation/API testing rolesGenuinely hands-on MuleSoft API testing experience, ideally including CloudHubStrong REST API testing fundamentals — REST Assured, JUnit, Spring Boot, Bruno/Postman, Swagger/OpenAPIJSON/XML schema validation and real data-driven test designCI/CD experience via GitHub/GitHub workflows, and mocking/service virtualisation (Hoverfly, WireMock)Solid grounding in containerisation, microservices, API security, distributed tracing, and cloud conceptsComfortable with Agile/SAFe delivery and stakeholder managementExperience with Anypoint Platform, MUnit, or DataWeave specifically is highly regarded but not essential — genuine platform exposure across any of these is a strong signalInsurance or banking domain exposure is beneficial but not essential Engagement 6 month contract to start, with strong extension potentialNewly formed MuleSoft squad within a well-established insurance programHybrid working model, Sydney or Melbourne based This role suits testers who want real platform-depth work rather than generic UI automation, and who bring a mix of established API automation fundamentals alongside genuine MuleSoft exposure. Tarkine Consulting and our client are equal opportunity employers. We celebrate diversity and are committed to creating an inclusive workplace where all employees feel valued and supported. We encourage applications from people of all backgrounds, including women, Aboriginal and Torres Strait Islander peoples, people with disability, and those from culturally and linguistically diverse backgrounds.