Contract - Mulesoft Integration Engineer

*Truss is a software development consultancy that builds government technology people* ***actually*** *want to use.* *Our systems regularly show up in the New York Times, and when we ask our team what they love most about working here, the answer is consistently the same: the people. We're collaborative, we hold ourselves to high standards, and we care deeply about the craft of making government services work better.* *We have been a remote\-first organization since our inception and are passionate about work\-life balance, building impactful teams, and committed to creating environments that encourage collaboration, different points of view, and creative solutioning.* We are seeking a mid\-level Mulesoft Engineer to join one of our client teams on a contract basis through April 2027 with the potential of extension. This contract is for 35 hours per week. Rate $85 \- $93/hour depending on experience. **Responsibilities:** * Design and implement a comprehensive automated testing strategy for MuleSoft integrations. * Build and maintain automated integration, API, regression, and end\-to\-end test suites. * Identify gaps in existing test coverage and improve overall integration quality. * Troubleshoot integration defects and perform root\-cause analysis across Salesforce, MuleSoft, and downstream systems — using findings to close systemic gaps in test coverage, not just fix one\-off bugs. * Partner with Salesforce developers, MuleSoft developers, QA engineers, and product teams to ensure reliable deployments. * Improve CI/CD pipelines to incorporate automated integration testing. * Establish testing standards, best practices, and quality metrics (e.g., test coverage %, integration defect rate, MTTR) for enterprise integrations. * Document testing patterns and coverage so the broader team can maintain and extend the suite going forward, rather than the knowledge sitting with one person **Required Experience** * 5\+ years of experience developing MuleSoft integrations. * Experience managing test data and environments for integration testing, including Salesforce sandbox environments and simulating external dependencies that are unavailable or unsafe to call in test * Experience building automated API and integration tests (e.g., MUnit, Postman/Newman, REST Assured, Karate, or similar frameworks). * Strong understanding of REST APIs, asynchronous messaging, authentication (OAuth), and error handling. * Experience with CI/CD pipelines and automated deployment processes. * Ability to analyze complex cross\-system issues and improve overall platform reliability. * Preferred **Eligibility:** You must be eligible to work in the U.S. and may be required to pass a federal background check at the discretion of the client/project you are placed on. Truss employees must live and work within the contiguous U.S. Unfortunately, we are unable to sponsor work visas at this time. Full\-Time Employees enjoy full benefits, generous PTO, a co\-working