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.

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

At Service Credit Union we celebrate our employees’ diverse backgrounds, ethnicities, gender identities, spiritual practices, abilities, and all the other traits that make us individuals. We follow the adage of treating others how we want to be treated while striving for understanding. Together, we create a unique credit union capable of serving our member’s needs with the same respect, empathy, and kindness we give each other.

Equal Opportunity Employer