Senior QA Engineer - Automation & API

Service Credit Union•Portsmouth, NH

1d•Onsite

About The Position

Service Credit Union is seeking a Senior QA Engineer - Automation & API to design and own automated test suites that run seamlessly in CI/CD pipelines and perform manual and exploratory testing for applications not included in CI/CD criteria. This role involves close collaboration with development and business groups to shift-left quality checks, shorten feedback loops, and enhance release confidence. Primary focus areas include .NET application testing (full-stack), MuleSoft integration/API validation, and Salesforce testing. The position requires a passion for robust automation, API quality, and end-to-end reliability across integrations and applications. Service Credit Union's purpose is doing what is right for its members, and joining means becoming part of "one team" connected by values of family, community, service, and integrity.

Requirements

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.
Bachelor’s degree in computer science or related field required.
Five or more years of professional QA/Software Testing experience with strong automation focus.

Nice To Haves

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.

Responsibilities

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.
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.
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.
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).
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.
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.
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.