API Test Automation Engineer (Banking Domain)

Job Purpose:

The API Test Automation Engineer will be responsible for designing, developing, and executing automated tests for high-volume, transaction-intensive APIs within the banking domain. This role requires strong technical expertise in API testing tools, programming, and frameworks, with deep knowledge of payment workflows and core banking systems.

Key Responsibilities:

• Design, develop, and maintain automated test scripts for REST and SOAP APIs.
• Perform functional, regression, and integration testing of APIs across banking systems.
• Validate data flows, payment transactions, reconciliation processes, and system integrations.
• Implement and manage test automation frameworks (TestNG, JUnit, Maven, Gradle).
• Conduct backend validation using strong SQL queries and database testing.
• Collaborate with developers, business analysts, and DevOps teams to ensure CI/CD integration (Jenkins, GitHub Actions, Azure DevOps).
• Ensure API security testing by applying protocols such as OAuth2, JWT, mTLS, and API Keys.
• Review and analyze complex log files for troubleshooting and defect reporting.
• Document test strategies, test cases, and results in alignment with QA standards.
• Continuously optimize automation scripts and frameworks for performance and scalability.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• 5+ years of experience in API testing and automation, preferably in the banking/financial services domain.
• Proficiency in Java (preferred), with knowledge of Python or JavaScript.
• Hands-on experience with Rest Assured, Postman, SoapUI, Swagger.
• Strong knowledge of core banking systems, payment workflows, transaction life cycle, and reconciliation processes.
• Experience with automation frameworks (TestNG, JUnit, Maven, Gradle).
• Familiarity with CI/CD tools (Jenkins, GitHub Actions, Azure DevOps).
• Proficiency in SQL for backend database validation.
• Strong understanding of API security protocols (OAuth2, JWT, mTLS, API Keys).
• Experience testing high-volume, transaction-intensive APIs.
• Excellent problem-solving, debugging, and communication skills.

Key Competencies:

• Strong analytical and detail-oriented mindset.
• Ability to work under pressure in high-volume transaction environments.
• Effective collaboration with cross-functional teams.
• Commitment to quality, performance, and continuous improvement.