Things you should look for in a good Javascript engineer

Since the 1990s, JavaScript has been the industry standard and language of choice for front-end developers, who create the parts of websites and applications that users can see. It’s also frequently used by full-stack developers, who work on both the backend and front-end of websites and apps. This scripting language enables JavaScript development services and engineers to create and add features such as:

• Animation

• Interactive forms

• Autocomplete text boxes

• 2D and 3D graphics

• Automatic updates

• Slideshows

• Browser-based games

Essentially, it’s responsible for any feature of your app or website beyond displaying static information. It’s behind anything that refreshes, changes, moves, or otherwise does pretty much anything other than sitting still.

If you’re outsourcing JavaScript services and website or app development, it’s important to understand the basics of the language and what your developers should bring to the table. Here are some of the most important skills, programs, and tools they should know and have.

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HTML and CSS

HTML and CSS are used to code the fundamental aspects of a website and add all of the basic elements to the front-end. Fundamental aspects include basics such as the layout. They are relatively simple to learn and use, and without these skills, you can’t then add interactive elements that make it non-static. After creating the initial layout using HTML and CSS, JavaScript developers will improve the website’s functionality and usability by adding the features that liven it up and make it more user-friendly.

Node.js

Written in 2009, Node.js is a relative newcomer to the programming game but has quickly become a must-have skill for JavaScript development services. It’s an open-source, JavaScript runtime environment that allows developers to use JS on the server-side. In other words, it can be used outside of the browser — in the backend, rather than the frontend — and across the application.

Node.js is used by the likes of Twitter, NASA, and Intel. It offers a number of benefits to JavaScript developers, including:

• Coding for the server- and client-side

• Increased productivity and efficiency for building apps

• Quick code execution speed

• Fast app-building turnaround time.

Frameworks and libraries

In addition to having expertise in the language itself, JavaScript development companies must also be well-versed in the many frameworks and libraries available to them. Frameworks are essentially code that has already been created for routine functions and elements on your library or app. Angular and Vue are popular JS frameworks, but JavaScript developers should also consider Meteor, Ember, Mithril, and other relative newcomers.

Libraries contain common features and snippets of code for building websites and apps using JavaScript. In contrast to frameworks, they provide short pieces of code, rather than entire building blocks. JQuery was the original JS library. Other libraries include Glimmer and React.

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Developer tools

In addition to frameworks and libraries, javascript development services should be able to implement a wide array of other developer tools. These include debugging tools such as Sublime Web Inspector and Theseus.

While a quality assurance (QA) tester will perform a more thorough inspection of your product and assess it for defects, JavaScript developers will need to understand bugs and issues and be able to diagnose problems in the code along the way. These tools will help streamline the process.

Design

Front-end developers are not user interface (UI) or user experience (UX) designers, of course, and they will be primarily responsible for creating the look and feel of your website or app. However, JavaScript developers should still be aware of and understand basic design elements both for coding the layout of your product and communicating with stakeholders and other team members about what the final product should look like and the features it should have.

They can also provide insight into what design elements are feasible given your requirements. In addition to the technical skills, they’ll need to have a strong design aesthetic in order to consider how the product will look to the consumer, not just how it will function.

Other languages

JavaScript has been the industry standard for more than two decades, but that may not always be the case. Furthermore, other languages have additional features to offer. Even developers who stand by JS should have a working knowledge of alternative coding languages and be able to turn to them at a moment’s notice.

In the ever-changing technology landscape, developers need to bring more than just knowledge of languages to the table — they also need to be well-versed in their intricacies and be able to use and manipulate an array of tools and skills. Moreover, they must be adaptable to changes that arise and trends that make their way into the market.

If you’re outsourcing JavaScript needs or employing in-house JavaScript developers, it’s important to understand the basics of the language and the fundamental skills a good engineer should possess. Of course, you should also ask to see a portfolio of previous work, refer to client testimonials, and interview your prospective JavaScript development services professionals thoroughly — doing so will give you insight into what to expect from your final product.

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