
Amazon
API Tester

Practice for API Tester
Amazon
Initial Screening & Technical Foundations
This round serves as a filter, assessing the candidate's foundational knowledge in API testing, their familiarity with relevant tools, and their communication skills. It also confirms their understanding of Amazon's commitment to customer satisfaction and operational excellence .
Can you describe your experience with API testing, including the types of APIs you've tested (REST, SOAP, etc.) and the tools you've used (e.g., Postman, JMeter)?
What are the key differences between API testing and UI testing, and when would you choose one over the other?
How do you approach testing an API endpoint that requires authentication and authorization?
All interviews are private and won't be shared with the recruiters.
Technical Deep Dive: API Testing Strategies
This round assesses the candidate's ability to design and execute comprehensive API test strategies, covering functional, performance, and security aspects. It evaluates their problem-solving skills and ability to think critically about potential API vulnerabilities .
Describe a situation where you had to design a test plan for a complex API with multiple dependencies. What steps did you take to ensure comprehensive test coverage?
How do you approach performance testing for APIs? What metrics do you monitor, and how do you identify and address performance bottlenecks?
What are some common security vulnerabilities in APIs, and how do you test for them?
All interviews are private and won't be shared with the recruiters.
Amazon Leadership Principles & Bar Raiser
This round assesses the candidate's alignment with Amazon's Leadership Principles, particularly Customer Obsession, Ownership, and Insist on the Highest Standards . A Bar Raiser, an objective interviewer from outside the hiring team, ensures that Amazon's high hiring standards are maintained .
Tell me about a time when you identified a critical bug in an API that could have had a significant impact on customers. What steps did you take to escalate the issue and ensure it was resolved quickly?
Describe a situation where you had to make a difficult decision about test coverage or quality assurance, balancing speed and thoroughness. What factors did you consider, and what was the outcome?
Give me an example of a time when you went above and beyond to ensure the quality of an API, even when it required extra effort or resources.
All interviews are private and won't be shared with the recruiters.