Integration & API Tester (IBM WebMethods)

About the Role

TestCrew | Quality Engineering & Software Testing is seeking an Integration & API Tester (IBM WebMethods) to join their team in Riyadh. This full-time role focuses on validating enterprise integrations, APIs, middleware services, and end-to-end message flows. The position requires hands-on experience with IBM webMethods, REST/SOAP API testing, integration testing, and data validation across multiple systems.

Role Overview

The Integration & API Tester will be responsible for identifying integration issues, validating error-handling mechanisms, and ensuring reliable data exchange between internal and external applications. This involves a comprehensive approach to testing, from design and execution of test cases to defect tracking and collaboration with development teams.

Key Responsibilities

• Perform integration testing of enterprise applications, middleware services, APIs, and message flows using IBM webMethods.
• Conduct functional, negative, and end-to-end API testing for REST and SOAP services.
• Validate data integrity, consistency, and accuracy across interconnected systems.
• Test idempotency, retry mechanisms, timeout handling, error responses, and exception-handling scenarios.
• Validate request and response payloads, headers, status codes, schemas, and business rules.
• Design, develop, and execute test cases, test scenarios, and test data for integration workflows.
• Use API testing tools such as Postman and SoapUI to validate API functionality and service behavior.
• Verify message transformation, routing, and data mapping across integrated applications.
• Identify, document, track, and retest defects in collaboration with development and integration teams.
• Perform regression testing following middleware configuration changes, API updates, and defect fixes.
• Collaborate with developers, business analysts, and technical teams to troubleshoot integration failures.
• Prepare test execution reports, defect summaries, and test completion documentation.

Qualifications and Education

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline, or equivalent practical experience.

Required Skills and Experience

• Demonstrated experience in IBM webMethods.
• Proficiency in REST/SOAP API testing.
• Experience with integration testing and data validation across multiple systems.
• Familiarity with API testing tools such as Postman and SoapUI.

Work Environment

This is a full-time position based in Riyadh, offering an opportunity to work within a quality engineering and software testing environment.