Senior QA Engineer - Automation & API

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.

Compensation: $109,372 -$125,000/yearly, depending on experience and qualifications. Junior level candidates typically start at the lower end of the range, with opportunities for growth as skill develop.

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 desktop applications (e.g., WinAppDriver or similar).

• Solid programming or scripting skills (e.g., C#, Java, TypeScript/JavaScript, or Python) for test automation.

• Experience with version control and workflows (Git, branching strategies, PR reviews).

• Familiarity with test management/defect tracking (e.g., Jira or equivalent).

• Strong analytical thinking, debugging skills, and a bias for automation and continuous improvement.

• Excellent written and verbal communication.

• Experience with AWS test environments and secrets management desired.

• Service virtualization/mocking (e.g., WireMock, Mountebank) desired.

• Data engineering/ETL testing (data quality, reconciliation) desired.

Education/Experience/Certifications:

Education: Bachelor’s degree in computer science or related field required.

Experience: Five or more years of professional QA/Software Testing experience with strong automation focus.

Certification(s): n/a