API Automation Engineer

  • Minneapolis, MN
  • Posted 3 days ago | Updated moments ago

Overview

On Site
Hybrid
BASED ON EXPERIENCE
Full Time
Contract - Independent
Contract - W2

Skills

KARATE
RESTASSURED
RESTINSTANCE
ROBOT FRAMEWORK
AUTOMATION

Job Details

Job Title : Automation Engineer (API)
Hybrid onsite in Minneapolis or St Louis MO
12-month contract +

Position Overview
We're seeking a Senior API Automation Engineer to lead the development and maintenance of scalable, high-quality API test suites across our digital platforms. This role will focus on contract testing, security validation, and backend integration for Embedded Finance APIs, internal services, and mainframe systems. The ideal candidate will possess deep technical expertise, strong collaboration skills, and a passion for quality engineering.

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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