Top 20 Core Full Stack Developer Interview Questions & Answers in 2022

 

A full-stack developer is the jack of all trades. From coding to problem-solving, they handle everything very well. 

According to Stack Overflow's 2021 Developer survey, the proportion of full-time employers in full stack development has dropped by 15 percentage points since last year. This is a result of developers turning more and more to freelancing.

Types Of Full Stack Developer Interview Questions

You may be asked four types of questions in your full stack developer interview:

1. Personal questions regarding your background, opinions, etc.
2. Behavioural questions related to your prior work-related experience.
3. Competency Questions to test your knowledge of development.
4. Case Questions to test your problem-solving ability.

 

Full Stack Developer Interview Questions

To help you with your job interview for a full-stack developer position, we have compiled a list of 20 core questions that are asked frequently. Here are the questions with their appropriate answers. 

 

 

• Why do you want this position?

 

Coding is not just a job for me; it's my passion. I've been making my programmes ever since I completed my graduation. Now I want to turn my passion into a career that would be helpful for the growth of company as well as for my personal growth.

 

 

• What are a full stack developer's roles and obligations in a firm?

 

A Full stack developer develops and maintains websites, software, and other programmes according to the company's requirements. They oversee these programmes' client and server sides and ensure their usability.

 

 

• What makes you eligible for this job? 

 

I have completed my degree in IT.I have strong project management and communication skills. My problem-solving abilities are also quite good. I have experience with database systems like MySQL, Oracle, MongoDB, etc.

 

 

• Which programming languages do you know?

 

I am proficient in many programming languages (tell whatever you are an expert on, like HTML, CSS, JavaScript, Python, Ruby, Java, PHP, etc.).

 

 

• What development tasks are you presently engaged in?

 

You know, a passionate programmer can't distance himself from coding. If it's not for the sake of the job, he'll do it for fun. (Mention your recently completed or ongoing projects here).

 

 

 

• What, in your opinion, distinguishes a full stack developer from other developers? 

 

Most other developers focus only on one of the application's or website's servers and user ends. A full-stack developer, however, has the skills to work on both the front and back ends of a programme. 

 

 

• How do you stay up to date with technological advancements?

 

I keep myself up-to-date by reading different programming blogs. I love to see and experience the work of other programmers. You'll find me constantly learning and practising new programming languages.

 

 

• What programming language is most important for your position?

 

HTML, CSS, and JavaScript are important for front-end development. Other languages like Python, Ruby, Java, and PHP are also important for back-end development. 

 

 

• What are some disadvantages of GraphQL?

 

It is more complex compared to REST. The GraphQL environment is evolving. You may need to keep up with it regularly. There's some extra work in GraphQL, like defining the schema. It has many issues with caching and error reporting. 

 

 

• What is pair programming?

 

Pair programming is the pairing up of two programmers on the same task. One programmer writes the code, and the other reviews it. It originated from Extreme Programming (XP).

 

• What do you know about continuous integration? 

Continuous integration is when you use automatic and particularly prepared codes for testing. Web developers use this procedure to integrate several codes each day, which are then automatically checked to find and remove errors. 

 

 

• How can you reduce the loading time of an application? 

 

I reduce the loading time of my applications by caching my web pages, magnifying resources, optimising images, minimising HTTP requests, and reducing 301 redirects.

 

 

• How can you make successive integration successful? 

 

I can make it successful by automating the development and testing process, committing to the baseline daily, and maintaining code repositories. 

 

 

• What do you know about DevOps?

 

It is an abbreviation for "Development" and "Operations." The collaboration of IT Operations and other fields of Development works to ensure automated and quick software development. 

 

 

 

• What is CORS?

 

CORS is an abbreviation for 'Cross-Origin Resource Sharing' and is an HTTP header-based method employed for detecting any domains other than its own by a server. Thus it is used to restrict cross-origin HTTP requests. 

 

 

• When should a full stack developer not use the arrow function in ES6?

 

The arrow function in ES6 is not used when the function is being hoisted, when the function depends on the outer context, or when using a named function. 

 

 

• Tell us about some recent trends in full stack development.

 

(Here, you need to describe some of the latest trends in full stack development as per your time of interview).

 

 

• What is the purpose of clearing floats in CSS?

 

By clearing floats, we prevent overlapping elements by clearing the floating elements. It makes up space for child elements, causing later elements to appear before the containing element. 

 

 

• What is the purpose of multithreading?

 

The purpose of multithreading in an operating system is to allow multiple users to run a programme on the same computer.

 

 

• What i the ACID in database systems?

 

ACID is an abbreviation for 'Atomicity, Consistency, Isolation, and Durability.' ACID is the minimum criterion of certain standards in database systems to ensure reliable database transactions.

 

Conclusion

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