We are seeking an experienced API Automation Test Engineer to join a high-performing engineering team delivering enterprise-scale digital solutions. The ideal candidate will have strong expertise in API testing, automation frameworks, contract testing, and non-functional testing (NFT), ensuring the reliability, scalability, and performance of distributed applications and microservices.

Key Responsibilities
• Design, develop, and execute comprehensive API test strategies for RESTful and event-driven services.
• Build and maintain robust automation frameworks using Java or C#.
• Develop automated API test suites using tools such as Rest Assured, Karate, Postman/Newman, WireMock, or Playwright API.
• Perform Contract Testing using tools such as Pact to validate interactions between microservices.
• Conduct Non-Functional Testing (NFT) including performance, scalability, reliability, and resilience testing.
• Create and maintain CI/CD-integrated automated test pipelines.
• Work closely with developers, architects, and product teams to ensure quality is embedded throughout the SDLC.
• Validate API security, authentication, authorization, and data integrity.
• Analyze test results, identify defects,



and drive resolution through collaboration with engineering teams.
• Contribute to quality engineering best practices, standards, and governance. Required Skills & Experience
• 5+ years of experience in Software Testing and Test Automation.
• Strong hands-on experience in API Testing and API Automation.
• Proficiency in Java or C# programming.
• Experience with automation frameworks such as:
• Rest Assured
• Karate
• Postman/Newman
• Playwright API
• Selenium (preferred)
• Solid understanding of:
• REST APIs
• JSON/XML
• OAuth2, JWT Authentication
• Microservices Architecture
• Hands-on experience in Contract Testing using tools such as Pact.
• Experience with Non-Functional Testing including:
• Performance Testing
• Load Testing
• Stress Testing
• Reliability/Resilience Testing
• Familiarity with tools such as JMeter, Gatling, k6, or LoadRunner.
• Experience working within Agile/Scrum environments.
• Knowledge of CI/CD tools such as Jenkins, GitHub Actions, Azure DevOps, or GitLab CI.

📌 API Automation Test Egineer (Sydney)
🏢 Synechron
📍 Sydney