API Test Engineer

Engine
Braddock, United States of America
4 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Braddock, United States of America

Tech stack

Testing (Software)
API
Application Integration Architecture
User Authentication
Automation of Tests
Data Integrity
JSON
JMeter
Load Testing
Ping (Networking Utility)
E2e Testing
Selenium
SoapUI
Web Services
Postman
Test Scripts
REST

Job description

eNGINE builds Technical Teams. We are a Solutions and Placement firm shaped by decades of interaction with Technical professionals. Our inspiration is continuous learning and engagement with the markets we serve, the talent we represent, and the teams we build. Our Consulting Workforce is encouraged to enjoy career fulfillment in the form of challenging projects, schedule flexibility, and paid training/certifications. Successful outcomes start and finish with eNGINE.

eNGINE is hiring an API Test Engineer to support a large-scale enterprise environment focused on critical application integrations and API reliability. This individual will play a key role in validating REST-based services, ensuring data integrity across systems, and delivering high-quality software through comprehensive testing practices

Responsibilities

  • Design, develop, and execute API test plans, test cases, and test scripts
  • Perform functional, integration, regression, and negative testing of RESTful APIs
  • Validate request/response payloads, headers, authentication, and error handling
  • Test bi-directional system integrations and data exchanges between applications
  • Analyze API behavior under various conditions, including boundary and edge-case scenarios
  • Identify, document, and track defects through resolution
  • Collaborate with developers, analysts, and project teams to ensure quality deliverables
  • Support performance and load testing efforts as needed

Requirements

  • 5+ years of software testing or quality assurance experience.
  • Experience writing and executing detailed test cases.
  • Hands-on experience testing REST APIs and web services.
  • Strong understanding of:
  • HTTP methods (GET, POST, PUT, DELETE)
  • Status codes and error handling
  • Request and response headers
  • JSON payloads
  • Integration and end-to-end testing methodologies

Required Technologies:

  • Postman
  • SoapUI
  • JMeter
  • Ping API
  • vREST

Nice to Have:

  • Selenium
  • API test automation experience
  • Performance and load testing experience
  • Experience supporting enterprise-level application integrations

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