Senior QA Engineer - Automation & API

It's fun to work in a company where people truly BELIEVE in what they're doing!

We're committed to bringing passion and customer focus to the business.

Position Summary:

Service Credit Union is seeking a Senior QA Engineer - Automation & API where you will design and own automated test suites that run seamlessly in our CI/CD pipelines and perform manual and exploratory testing for applications that will not be included in CI/CD criteria. You will collaborate closely with development and business groups to shift-left quality checks, shorten feedback loops, and raise the bar on release confidence. Primary focus includes .NET application testing (full-stack), MuleSoft integration/API validation and Salesforce testing. This position requires a passion for robust automation, API quality, and end-to-end reliability across integrations and applications.

Pay: Starting at $109,372, flexible based on experience.

Benefits Include:

• Great health and dental benefits starting day one!

• PTO, long-term disability, and paid holidays.

• 401k with 8% company contribution after one year of employment.

• Paid leave policy after 12 consecutive months of employment.

• Free confidential mental health support program with Talkspace

• Free identify theft protection through IdentityForce

• Tuition reimbursement.

• Training and career growth opportunities.

Position Responsibilities:

• Test Strategy & Planning
  • Define QA strategy for APIs, services, web UIs, desktop apps, and Salesforce front-end; identify coverage goals, risks, and acceptance criteria.
  • Champion testability and shift-left practices in refinement, design, and code review.
• Automation & CI/CD
  • Architect, implement, and maintain automated test suites (unit, component, API, integration, UI, and regression) for CI/CD environments.
  • Implement quality gates, test artifacts, and flakiness detection/triage.
• Manual & Exploratory Testing
  • Perform manual and exploratory testing for applications that do not meet CI/CD pipeline development criteria, ensuring functional and integration quality.
  • Document test cases, execute regression cycles, and validate fixes for these applications.
• .NET, MuleSoft & Salesforce Quality
  • Design and execute automated and manual tests for .NET services and applications.
  • Validate MuleSoft integrations (RAML/Anypoint) including transformation logic, error handling, SLAs, and cross-system data integrity.
  • Perform Salesforce front-end testing (UI, workflows, permissions, and data integrity).
• API & Integration Testing
  • Define API test plans (functional, contract, negative, security basics, and performance smoke).
  • Use tools like Postman, SoapUI/ReadyAPI, REST Assured, or Karate for API validation.
• Web & Desktop Application Testing
  • Build resilient UI automation with Selenium, Playwright, or Cypress.
  • Create desktop automation (e.g., WinAppDriver, Winium, or equivalent) and/or service-level tests for desktop components.
• Development Tools Used
  • Automation & Test: Postman, SoapUI/ReadyAPI, WinAppDriver
  • Languages/Frameworks: C#/.NET, Java, JavaScript/TypeScript, NUnit/xUnit, MSTest
  • CI/CD & SCM: Bitbucket Pipelines: Git
  • Test Management/Bug Tracking: Jira
  • MuleSoft: Anypoint Platform, API Manager

• Maintain confidentiality regarding credit union policies and procedures, member financial data, personal information, and work-related events.
• Provide quality support and maintain a professional relationship with peers, management, other staff, and members through cooperation, mutual trust, and respect.
• Other duties, including special projects, as assigned.

Required Knowledge and Skills:

• Hands-on testing experience with .NET applications and MuleSoft integrations.
• Salesforce testing experience (UI, API, data integrity, permission sets).
• Proven experience building and maintaining automated test suites integrated into CI/CD pipelines.
• Strong API testing expertise and experience with tools for web and desktop applications (functional, contract, negative, and basic performance/security).
• Ability to perform manual testing for non-CI/CD applications.
• Security testing awareness (authN/authZ, Postman/ReadyAPI security tests).
• Experience testing web applications (Selenium, Playwright, Cypress or similar) and deskto