API Automation Engineer

API Automation Engineer
Hybrid onsite in Minneapolis, MN, Milwaukee, WI or Denver, CO

12-month contract (W2)

• 5 7 years of experience in test automation with a strong focus on API and backend testing.
• Proven expertise in API contract testing, service mocking, and backend data validation.
• Hands-on experience with Karate (preferred), REST instance, and Rest Assured.
• API Automation:Karate (primary), REST instance (Robot Framework integration), Rest Assured (Java-based legacy support)
• Backend Automation: SSH Library, CLI wrappers (Python/Java) for backend validations
• CI/CD Integration:Jenkins, Git Hub Actions, Azure Dev Ops

• Design, develop, and maintain automated API test suites using Karate, REST instance, and Rest Assured
• Lead efforts in contract testing, security validation, and integration testing across service layers
• Validate backend processes and business rules for systems such as SOR, Domains, and Read Store using SSH Library and CLI wrappers (Python/Java)
• Collaborate with developers, architects, and QA leads to ensure testable service contracts and early defect detection
• Integrate API automation into CI/CD pipelines (Jenkins, Git Hub Actions, Azure Dev Ops) and ensure test reliability
• Mentor junior and mid-level engineers, contribute to reusable test libraries, and promote best practices
• Participate in sprint ceremonies, quality governance reviews, and continuous improvement initiatives

• 5 7 years of experience in test automation, with a strong focus on API and backend testing
• Proven expertise in API contract testing, service mocking, and backend data validation
• Hands-on experience with Karate (preferred), REST instance, and Rest Assured
• Familiarity with mainframe systems and secure CLI-based validation is a plus
• Experience working in Agile/Scrum environments with cross-functional teams
• Financial services or regulated industry experience preferred

• API Automation:
  Karate (primary), REST instance (Robot Framework), Rest Assured (Java-based legacy support)
• Backend Automation: SSH Library, CLI wrappers (Python/Java)
• CI/CD Integration:
  Jenkins, Git Hub Actions, Azure Dev Ops
• Test Data Management: TDP (Test Data Portal)
• Reporting:
  Robot Framework logs, Allure, Report Portal, Power BI dashboards

• Strong analytical and debugging skills with a quality-first mindset
• Effective communicator and collaborator across distributed teams
• Ability to mentor and support junior team members
• Comfortable leading innovation pilots and driving continuous improvement