API Testing Engineer Job Description (JD)

Job Title: API Test Engineer / API Automation Tester

Experience: 4 -10 Years

Job Summary

We are looking for an experienced API Test Engineer with solid expertise in API functional and automation testing. The candidate should have hands-on experience designing test cases, validating REST/SOAP services, automating API tests, and ensuring the quality, reliability, and performance of backend services.

Key Responsibilities
- Design, develop, and execute API test cases and test scenarios.
- Perform functional, integration, regression, and end-to-end API testing.
- Validate RESTful and SOAP web services.
- Develop and maintain API automation frameworks.
- Create and execute automated test scripts using Postman, Rest Assured, Karate, or similar tools.
- Verify request/response payloads, status codes, headers, and database validations.
- Identify, log, track, and verify defects using JIRA/Azure DevOps.
- Collaborate with developers, business analysts, and QA teams to understand requirements.




- Integrate API automation suites into CI/CD pipelines.
- Participate in Agile/Scrum activities and contribute to continuous quality improvement.

Required Skills
- Strong experience in API Testing.
- Hands-on experience with REST and SOAP APIs.
- Proficiency in tools such as Postman, Swagger, SoapUI, Rest Assured, or Karate Framework.
- Experience in automation using Java/Python.
- Good knowledge of JSON, XML, and API authentication methods (OAuth, JWT, Basic Authentication).
- Experience with database validation using SQL.
- Knowledge of CI/CD tools such as Jenkins, Azure DevOps, GitHub Actions.
- Experience with defect-tracking tools like JIRA.
- Understanding of Agile development methodologies.

Preferred Skills
- Experience in Microservices testing.
- Performance testing using JMeter or LoadRunner.
- Cloud platform exposure (AWS, Azure, GCP).
- Knowledge of Docker and Kubernetes.
- Experience with contract testing tools such as Pact.

📌 API Testing (Bengaluru)
🏢 Infosys
📍 Bengaluru