Master 30 Application Integration Engineer interview questions covering APIs, middleware, and system architecture.
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
This may be a difficult question to answer. The time it takes to complete an API integration will depend on many different factors. These include the software platform, what other applications the program is interacting with, the hardware it is hosted on, and other factors external to the application itself. The interviewer will ask you this question not to learn about the specific times but to ensure that you are familiar with the dependencies. When responding to this, you should note the dependencies and provide one to two examples of a typical time to complete an API integration.

William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"There is no average time to complete an API integration of a software application. The time it takes depends on many factors, both within and outside of the control of the application integration engineer. Some of these include the IT environment, the other programs the application is interacting with, the nature of the API, and whether the applications are hosted on-premise or in the cloud. An example of this variation in integration times is that integrating an HTML version of an (API) may typically take less than an hour to complete. In contrast, integration of the XML version of the same API could take up to 20 hours, due to its complexity."

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Written by William Swansen
30 Questions & Answers • Application Integration Engineer

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