5+ Best Full Stack Developer Interview Questions & Answers

We’ve complied the absolute best full stack developer interview questions and answers for your upcoming job interview. Full stack developers are those who can work with a variety of programming language and dev ops environments to be able to create, launch and sustain web applications or solutions all on their own. While that doesn’t mean that they will work individually, without other team members, it simply means that they have the abilities to be able to run the entire web stack environment and build against it.

Full stack developers are becoming in higher demand as technology organizations want to slim down on the number of employees that they have on staff. Full stack developers provide a large advantage for companies to employee because they can reduce the need to hire a designer, a front-end engineer, a backend engineer and a dev-ops or server operations engineer. As you can see, this role essentially rolls up those people and their salaries into one.

Full Stack Developer Interview Questions & Answers

Below are the best full stack developer interview questions I could find based on hiring and being hired in the product management environment. As with all of the interview questions, its important that you practice these at home with a friend. The more you can feel confident about your answers, the better chance you will have of being hired for that position. Ask your friend to throw in a few trick questions and situational interview questions to throw you off.

1. What is Node.js?

Node.js is a popular framework for building front-end and backend javascript applications. Node was initially created by the Facebook foundation and has since taken off as an extremely scalable framework for building modern web applications.

2. What is the front-end application?

The front-end application is where data from the database has already been modeled and is now being send to the user for viewing or interacting with. The front-end application is what most users would consider to be ‘the application’ itself.

3. What is the back-end application?

The back-end application is where all of the logic for the web application is done. That means whatever the product or service it is that you are experiencing, what it offers as the main value proposition, this is usually what happens in the back-end application. All of the storage of data is done on the back-end application as well.

4. What is a database?

A database is where information is stored on a users behalf, whenever something is executed on the hosted servers. For example, if you are uploading a photograph to the application, that photograph would be stored in a database.

5. What is the database that doesn’t have any tables?

These would be considered databases like Mongo or CouchDB. This is different than databases like MySQL or PostgreSQL which have tables associated to them. There’s debate over which type of database is more scalable.

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