Automation Engineer (API)

Milwaukee, WI - USA

Monthly Salary: Not Disclosed

Posted on: 2 hours ago

Vacancies: 1 Vacancy

Job Summary

Client is 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

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