33 applicantsPosted by Agency

Company

ACS Consultancy Services, Inc · 8 hours ago

API Tester

United States

Full-time

Remote

Mid Level

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ConsultingInformation Services

No H1B

U.S. Citizen Only

Security Clearance Required

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Responsibilities

Design and implement test plans and test cases for API testing (REST, SOAP, GraphQL, etc.).

Perform functional, regression, and performance testing on APIs to ensure they meet the required specifications and quality standards.

Utilize tools such as Postman, SoapUI, JMeter, or similar to conduct manual and automated API testing.

Work closely with developers to identify, reproduce, and resolve API-related defects.

Validate API data responses, error codes, and HTTP status codes to ensure they meet business requirements.

Ensure APIs are secure, scalable, and able to handle large amounts of data and traffic.

Perform integration testing to ensure that APIs work seamlessly with other systems and services.

Write clear and concise bug reports and track defects through to resolution.

Collaborate with cross-functional teams (development, product, and business) to understand API requirements and functionality.

Contribute to the continuous improvement of API testing processes, tools, and methodologies.

Support the development of automated test scripts and API testing frameworks.

Qualification

Find out how your skills align with this job's requirements. If anything seems off, you can easily click on the tags to select or unselect skills to reflect your actual expertise.

API TestingRESTful APIsSOAP Web ServicesPostmanSQLSoapUIJMeterAgile DevelopmentHTTP/HTTPSAPI DocumentationSwaggerRAMLJSONXMLVersion Control (Git)

Required

Proven experience as an API Tester or QA Engineer, with hands-on experience in testing RESTful APIs and SOAP web services.

Strong knowledge of API testing tools (e.g., Postman, SoapUI, Rest Assured, JMeter).

Experience in API documentation and specification formats (e.g., Swagger, RAML).

Solid understanding of HTTP, HTTPS, REST, JSON, and XML.

Experience with writing and executing manual test cases, including functional, regression, and performance testing.

Knowledge of database concepts and experience with SQL to validate data and test API responses.

Strong debugging and problem-solving skills.

Ability to work in an Agile development environment (Scrum/Kanban).

Attention to detail, excellent analytical skills, and the ability to work independently.

Experience in version control tools like Git.

Required Security clearance.

Preferred

Federal Experience is a plus.

Company

ACS Consultancy Services, Inc

ACS Consultancy Services Inc is a Small Business that is New York State and New York City Certified Minority and Women-Owned Business Enterprise (MWBE).

Founded in 2011