API Automation Engineer

Overview

Hybrid
Depends on Experience
Contract - W2
Contract - 6 Month(s)

Skills

API

Job Details

API Automation Engineer
Hybrid onsite in Minneapolis, MN, Milwaukee, WI or Denver, CO
12-month contract + (W2)
Must Have:

  • 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), RESTinstance, and RestAssured.
  • API Automation: Karate (primary), RESTinstance (Robot Framework integration), RestAssured (Java-based legacy support)
  • Backend Automation: SSHLibrary, CLI wrappers (Python/Java) for backend validations
  • CI/CD Integration: Jenkins, GitHub Actions, Azure DevOps

Key Responsibilities

  • Design, develop, and maintain automated API test suites using Karate, RESTinstance, and RestAssured
  • 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 SSHLibrary 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, GitHub Actions, Azure DevOps) 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

Required Experience

  • 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), RESTinstance, and RestAssured
  • 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

Tooling Expertise

  • API Automation: Karate (primary), RESTinstance (Robot Framework), RestAssured (Java-based legacy support)
  • Backend Automation: SSHLibrary, CLI wrappers (Python/Java)
  • CI/CD Integration: Jenkins, GitHub Actions, Azure DevOps
  • Test Data Management: TDP (Test Data Portal)
  • Reporting: Robot Framework logs, Allure, ReportPortal, Power BI dashboards

Soft Skills & Leadership

  • 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
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