How to find expert, NextJS developer

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Next.js is an open-source React framework used to build fast, server-rendered websites, web applications, and mobile applications. It offers a simple and intuitive API that allows developers to quickly create powerful and complex applications without sacrificing performance. Basically, Next.js makes it easy to create highly optimized web applications that are accessible from any device with a minimal learning curve.

It offers many features that are missing in other frameworks. In this post, we will discuss some of the best practices for hiring Next.js developers.

1: Understand the Framework, and the high-level use cases of Next.js beforehand

Next.js provides developers with a powerful set of tools for building dynamic, interactive websites and apps, making it an ideal choice for modern web development.

By leveraging server-side rendering and the power of React, developers can craft highly performant applications that are optimized for SEO and speed. With Next.js, developers have access to a wide array of features, including page routing, page transitions, page prefetching, and more.

By understanding the high-level use cases of Next.js and leveraging its powerful features, we can have the basic groundwork to be able to interview a Next.Js developer.

2: The developer should know the Basics of JavaScript and Typescript

For developers interested in using Next.js, it is important to have a basic understanding of JavaScript and Typescript. This is because Next.js is a React-based framework, so developers will need to be familiar with the fundamentals of both languages in order to properly use the framework.

Knowing the basics of JavaScript and Typescript not only makes it easier to learn Next.js but can also help developers write better code more quickly and efficiently.

3: Have extensive Experience with React

Next.js is a React-based development framework that allows developers to create web applications that are optimized for performance and scalability.

It provides an easy way to get started with React, allowing developers who already have experience with the library to quickly create sophisticated web applications without having to worry about configuration or build tools.

If you are not a React expert you will not be able to be a good Next.js developer. 

4: Should have an understanding of the basics of SEO

Developers looking to create a website with Next.js should have an understanding of the basics of SEO. Knowing how to optimize content for search engine crawlers is essential for any website, and Next.js provides several features and tools that make it easier to manage SEO.

With its server-side rendering capabilities, developers can improve the loading speed of their website, which is an important factor in determining a site's ranking on search engine results pages.

Additionally, Next.js supports custom routes and allows developers to manage meta tags and titles for each page, helping to further improve their website's SEO performance.

5: Should be well versed with Next.js fundamentals

As a web development tool, Next.js has become increasingly popular due to its flexibility and scalability. It is important for developers to have a strong understanding of the fundamentals of Next.js in order to take full advantage of its features.

An expert Next.JS developer should know the following concepts thoroughly:

A: Server-side rendering (SSR)

B: Client-side rendering (CSR)

C: Routing with Next.js

D: Customizing and extending Next.js with plugins and configuration options

E: Deployment of Next.js applications on various hosting platforms 

F: Data fetching with the use of APIs, GraphQL, etc. 

G: Writing unit tests for a Next.js application

All in all, an expert Next.JS developer should have a thorough knowledge of SSR, CSR, routing, customization/extension, deployment, data fetching, and unit testing.

6: Here are some Top Next.js interview questions

To help you with the interview,  we have compiled a list of top Next.js interview questions that are crucial for any applicant to know about. This list includes questions about the fundamentals of Next.js, its features and advantages, and best practices for developing applications with Next.js. 

- How does routing work in Next.js?

- How would you implement custom error pages using the NextJS routing system?

- How to use AMP with Next.js?

-  How does Incremental Static Site Generation work?

- have you optimized Next.js applications for the lighthouse performance? What are the challenges that you have faced?

7: Check their community engagements

Next.js is committed to community engagement and is constantly working to make sure the community has the best experience possible. This includes hosting regular meetups, providing support for developers, and launching initiatives that encourage collaboration and learning.

In such a fast-growing industry, it is essential to stay connected with like-minded beings. So before your hire, make sure you know how well-engaged are your applicants with the Next.js community.

Hiring a Next.js developer can be difficult, but it doesn't have to be! By following these tips, you will end up with a great developer who is eager to learn more about your project.

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