APT Test EngineerLocation: New York, NYWe are seeking an experienced API Test Engineer to design, execute, and automate testing for REST based APIs supporting mission critical, bi directional system integrations. This role focuses on service level testing and plays a key part in ensuring API reliability, security, and readiness for production. The ideal candidate has a strong understanding of REST APIs, hands on experience with API testing tools, and the ability to translate technical requirements into robust test scenarios across functional, negative, and integration cases.Must haves:Positive scenarios (valid inputs)Negative scenarios (invalid/missing data)Boundary conditionsError handling and edge casesPostmanSoapUIJMeterPing APIvRESTHTTP methods (GET, POST, PUT, DELETE)Status codes (200, 201, 400, 401, 403, 404, 500, 429)Request/response headersJSON request and response bodies