Job Summary We are seeking an experienced Senior Test Analyst to support a large-scale API Management migration from Apigee to Kong APIM. This role is critical to ensuring API quality security and performance throughout the migration lifecycle with a strong focus on validating functional parity nonfunctional requirements and consumer impact. Responsibilities Analyse existing Apigee API proxies and policies to define test scenarios for Kong APIM equivalents; Design and execute functional integration and regression testing for migrated APIs; Validate API contracts request and response transformations headers error handling and versioning; Test security controls including OAuth 2.0 JWT mTLS and API key authentication; Validate traffic management policies such as rate limiting throttling quotas and retries; Conduct non functional testing including performance scalability and resilience; Support parallel run cutover and go live testing to minimise service disruption; Manage defects end to end working closely with development and platform teams; Produce clear test evidence reports and quality metrics to support release decisions. Certifications Required ISTQB Cog2025 Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.