Is Scala frontend or backend?

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Table of Contents

What is front-end development?

Front-end development mainly includes websites and apps, and users can see things from the App screen or browser. Simply put, everything that is seen from the App screen and browser belongs to the front end.

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What is backend development?

Back-end development is “server-side” development, mainly connecting the “backend” of the software structure. For example, the server used to host website and App data, and the middleware placed between the backend server, the browser, and the App, all belong to the backend.

One of Scala’s unique features is the creation of concise code by combining functional and object-oriented programming. Developers also have access to a wide range of JVM and JavaScript run-times to build high-performance applications. Scala is interoperable with Java because it also works with the JVM. Programmers can even combine both languages ​​to develop unique solutions. One of the features that make Scala outstanding is its support for static types. Eliminate the hassle of developer static types.


Concise programming: Scala’s programming methods are object-oriented and functional. This feature makes Scala codes simple and easy to maintain. 

Java interoperability:  Scala works with JVM, so it is fully compatible with the Java programming language. So whether the code is written in Java or Scala, it will produce the same result. This is why Java developers find Scala useful for backend development.   

Easy Maintenance: The concise nature of Scala code makes it easy to maintain because it is highly readable. Therefore, developers can work on third-party code without any hassle.


Scala’s approach to programming is completely different from conventional Java programming methods. Scala syndicates functional and object-oriented programming, which is a bit puzzling for some creators.

Is Scala frontend or backend

Is Scala frontend or backend?

Scala is a general-purpose language. It is something equivalent to Java. You can use Scala wherever you can use jvm that is literally everywhere. However, Scala JS has expanded the scope of Scala. Scala JS can alter Scala code into Javascript code. So you can use it in a browser or any other environment.

Cook up a whole lot of things to do in Scala with the Scala Cookbook.

Otherwise, Scala-play is a popular framework to build websites. Play utilizes templates and can be used to code both front-end and backend.

Mostly backend ( on the JVM ), but there is a scalajs frame that gathers to js and thus is usable in the browser, and scala native, which compiles to well … native executables. But those last two are less exerted and less known.

It is totally important to learn Scala. Below are the reasons. Scala uses both functional and the  OOPs concept.  There are so many structures written in Scala like Akka, Play, Lift, Spark etc.

Similarly, does Amazon use Scala? On, Amazon has several racket postings for beings with “languages such as C, C ++, Java, Scala , or Perl”( Software Development Engineer, Cloud Drive+ Kindle Fire; Software Development Engineer; Software Development Manager, Amazon Web Business ). 

Hereof, is Scala still relevant? 

Yes Scala is widely used. A slew of beings went to Scala because of Data tooling such as Spark but these days, these beings choose Python. Scala / Java compatibility is really like C ++/ C one. You can seamlessly use any Java library, but they are very different languages.

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Why Scala is faster than Java? 

Scala and Java, both streams on JVM, and their code compiled into byte systems. But Scala endorsements Tail Call Recursion( an optimization proficiency ); this skill helps the Scala code to compile faster than the java system. Conclusion- Scala 

is 20% faster than Java, and many Java developers like coding in Scala, as it is fast.

Front-End Scala:

Websites, smartphone apps, web apps, etc., are divided into front-end and server-side.

Front end = screen design that the user is looking at

Server-side = Program execution and management on the server

The front end is responsible for displaying the screen’s design you are looking at right now, sending the necessary information to the server based on user interaction, etc.

For example, when you buy something online, you search for products, add cart products, and enter the necessary information.

At that time, the front end is when the server is asked to provide the necessary information according to the user’s operation. This is called a request in technical terms.

On the other hand, the server-side is responsible for sending appropriate information to the front end when the front end says “send this information.”

Take, for example, when you click the My Page button on your website. The front end asks the server-side, “Please give me information and screen design for this person’s My Page.

So server-side and front end. So when you can write both the backend and front-end in Scala, how do you bridge them? Of course, when I write a Web UI, I want to receive data from the server. I will think about how to achieve that.

Ideally, if you write some Scala code in Scala.js and you have a remote Scala server at this time, you can make a local function call to it and get a return value. That’s fine, but in reality, the browser and the remote server instance are running in different places, so it’s not easy to call a function. Remote Procedure Call, that is, the mechanism of RPC that calls a remote function. It is needed.

There are two players in between the client and server in RPC, rather than just a simple function call. Moreover, the data flows over the network, so it must be in binary format.

So, even if you try to pass a Scala object to the server, serialize the Scala object to convert it to binary, and process it on the server-side, you receive the binary data back in the Scala object. Conversely, when the server calculates some data and returns it to the client, the opposite is true, with data serialization and deserialization in between.

Back-End Development with Scala

When a professional engineer develops with Scala, he uses an integrated development environment (IDE) called IntelliJ IDEA. Intel J IDEA is paid software, but it is used within the free-range.

Scala can also be installed by installing Intel IDEA, and you can easily set up the Scala development environment.

IntelliJ IDEA’s domestic distributor, Samarium, may also offer discounted sales for domestic accounts.

Martin Odersky of the Federal Institute of Technology Lausanne (EPFL) started scheming Scala in 2001 based on Funnel’s work. Funnel is a programming language that combines functional language programming ideas with Petri nets. Scala for the Java platform was released at the end of 2003/early 2004. Scala for the .NET platform was unconfined in June 2004. The second version of the language, v2.0, was free in March 2006.

As of September 2009, the latest version is version 2.7.6. The expected features of Scala 2.8 include the rewritten Scala collections library, named and preset method parameters, package object, and Continuation.

In April 2009, Twitter announced that they had migrated most of the backend programs from Ruby to Scala, and the rest were also planning to migrate. Besides, WattzOn has publicly announced that its entire platform is already written based on the Scala infrastructure.

As a result of the above, if you want to expand the share of new programming languages ​​and new platform architectures, you need to work together to grow them comprehensively. This is a marketing challenge. C / S and C ++, Web, and Java have all been very well done. From this point of view, if you want to increase the market share of Scala and/or reactive systems, instead of using the “web application” frame, you can ride on “Reactive Manifesto” organized by Typesafe and use “reactive backend.” It is up to us to decide that we should get excited about the sale of “Scala. “(* From this standpoint, I think it is better not to bring the Play Framework to the forefront.)

Scala programming is easier than you think.

Scala vs. Javascript performance

Scala vs. Java Performance: Welcome to the last word battle of the Century. Scala versus The Almighty Java. Some people may even ask why? Some may even say that Scala is, in fact, an element of Java itself, then why this Scala vs. Java contrast? The explanation is because Scala isn’t exactly Java. Heck! It’s not even near Java. Although it uses the JVM (Java Virtual Machine) Compiler, it’s only partly just like Java.

Developers define JavaScript as a “Lightweight, interpreted, object-oriented language with first-class functions.” JavaScript is mostly called the scripting language for websites but utilized in many non-browser environments like node.js or Apache CouchDB. It’s a prototype-based, multi-paradigm scripting language that’s go-ahead and supports object-oriented, authoritative, and useful programming styles. On the opposite hand, Scala is detailed as “A pure-bred object-oriented language that runs on the JVM.” Scala is an acronym for “Scalable Language.” this suggests that Scala grows with you. You’ll play with it by typing one-line expressions and observing the results. But you’ll be able to also depend on it for giant mission-critical systems, as many companies, including Twitter, LinkedIn, or Intel, do. To some, Scala looks like a scripting language. Its syntax is a brief and low formality; its types get out of the way because the compiler can conclude them.

JavaScript and Scala are often primarily classified as “Languages” tools.

“Can be used on frontend/backend,” “It’s everywhere,” and “Lots of great frameworks” are the key factors why developers consider JavaScript; whereas “Static typing,” “Jvm,” and “Pattern-matching” are the first reasons why Scala is favored.

Scala is an open-source tool with 11.8K GitHub stars and a couple of.73K GitHub forks. 

Reedit, Slack, and Stack Share are many popular corporations that use JavaScript, whereas Scala is working by Keen, Lookout, and Tumblr. JavaScript comprises a broader approval, being mentioned in 5034 company stacks & 6258 developers stacks, compared to Scala, which is listed in 436 company stacks and 315 developer stacks.

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Should I learn Python or Scala to be a backend developer?

If you have not made up your mind, choose Scala. Personally, I think you won’t lose any fun if you do not learn Python. It’s not quite common for Python to be the backend language.

In other cases, consider this: I assume you’ve got a target software company (or more). There, in that case, try and know what language they use for their application development. 

Many have already mentioned many languages, except for backend development, scalability, code maintenance, and easy creating service endpoints; these acquire the mind. In this regard, Java is extremely recommended too. The only downside though, you’re likely to put in writing plenty of code (or using a lot of boilerplate code).

Java frameworks have come a protracted way, and that they offer plenty of libraries for doing most typical kinds of stuff. + you’ve probably learned Java at high school, right?

I work as a backend developer, chiefly script server-side Java code. My Java knowledge is decent, but I need to vary and learn a brand new language, not just for personal interest but also to own something unaccustomed to boost my resume. I’m wondering if it is sensible to find another JVM language like Scala or travel down the Python route since it would be totally different. I’ve got a powerful interest in web application security and see that Python is employed a good amount there. Still, at the same time, I need to deepen my general backend development skills. 

Unsure which choice to escort.

To me, Scala is strictly just a more robust Python. If you would like to be told a language that you can use as a replacement for Python, you must 100% learn Scala. That being said, it is also a less commonly used version of Python, so although it’s going to be better, you may find yourself using Pyhton at work because everyone knows it, and sometimes familiar is best than good (from a business perspective).              

Is Scala.js good for both front-end and back-end development?

  • I would wish to make some things clear first,
  • You can use JavaScript for backend growth. 
  • Scala.js is simply a front framework.
  • So to my knowledge to date, you’ll only develop front in Scala.js.
  • For backend, you’ll be requiring NodeJS / other backend languages ( PHP, Ruby, Java, Python ) if not working in JavaScript.

Is developing in Scala.js a decent choice? That, my friend, is a question of debate here,

I’ve been acting on Scala as a backend and Javascript as front-end for the web application for a previous couple of years. It becomes excruciating after I must refactor an oversized Javascript code-base written by somebody else. There also are many annoying language warts. I attempted to use another front-end framework, targeting JS but wanted to use the same platform to travel all the way from server to client. I started learning Scala.js. I found it way more helpful, powerful language stuffed with amazing features than the other front-end development framework. Below are a few reasons, which can attract you to Scala.js.

 1)Write Scala, not Javascript

 One of the main reasons to use Scala.js, you’ll write code in Scala, which is compiled into JavaScript. 

 2) Statically Typed Language

 Since Javascript is an active typed language, so types are patterned at run-time. Because of this, most of the time, we get silly typo errors while programming in Javascript.

 3)Excellent IDE support

 Scala.js has excellent IDE support like IntelliJ and Eclipse, which can help in error highlighting, catching type-error without compiling your code, refactoring field, and methods.

 4) Easy Refactoring

 Refactoring is extremely hard in dynamic types of language. Just in the case of Javascript, you’ll be able to do easy refactoring if you have got only a few lines of code or a hundred lines of code. It’s hard to search out which field or method was called when something is broken on UI in a large code-base.

 5) Interoperability with JavaScript code

 This is one in every of the powerful feature of Scala.js. There’s a rich library collection available for Scala.js like scala-js-dom, scalars-jquery, etc.

 6) Shared Code

 I have never been supposed to write code in the same language on the customer and server-side. There was continuous JavaScript on the client-side if server-side code is written in PHP, Java, or Scala.

 7) No JavaScript Warts

Website with Scala

As a Scala programmer developing web applications, I usually find it frustrating to move from a neat, functional, and type-safe Scala backend to a JavaScript front-end. Fortunately, there is a powerful and mature alternative to our (not always) favorite standard language for the Web.

Scala.js is a Scala implementation by Sébastien Doeraene that compiles Scala code to JavaScript, not JVM bytecode. It maintains full two-way interoperability between Scala and JavaScript code and allows you to develop front-end web applications in Scala using JavaScript libraries and frameworks. It also helps reduce code duplication compared to a typical Scala web application by allowing the front-end to reuse models and business logic developed for the backend.

On the other hand, React is a web framework for building user interfaces in JavaScript developed and maintained by Facebook and other companies. It promotes a clean separation between updating the application state according to custom events and rendering views based on the specified state. Therefore, the React framework is especially suited to the functional paradigm used when programming in Scala.

We could have used React directly from Scala.js, but luckily David Barri created scalars-react: a Scala library that provides a set of wrappers for React to make it type-safe and more usable in Scala.js. It also defines some useful abstractions, such as the Callback class: a compound, repeatable, side-by-side computation that needs to be done by the React framework.

This article is the first part of a tutorial on building a front-end web application using scalars-react on e.near. It focuses on creating a clean project in Scala.js, and the second part will combine both Scala.js and “standard” Scala JVM code. I am assuming you are an experienced Scala user and familiar with HTML and the basics of Bootstrap. No previous experience with JavaScript or the React framework is required.

The result will be a simple web application that uses Spotify’s open API to find artists and display their albums and tracks. While simple, this example should give you an idea of ​​developing web applications in Scala.js React, including reacting to user input, calling REST APIs via Ajax, and updating the display.

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Hopefully, you have a much better idea of where you interchange the forepart vs. backside developer debate after reading this tutorial.

 If you’re more curious about aesthetics than difficult algorithms and putting in complicated systems, you must accompany the face developer track.

 This doesn’t mean that it’s easy to be a face developer. To be an excellent one, you’ll have to master numerous libraries and frameworks. It’ll take you an extended time to grasp enough to contribute to advanced projects.

 On the other hand, rear developers have it a bit easier within the beginning. Assuming that you know what you have got to grasp, the training curve could be a bit more gentle. It’s because face developers usually specialize in narrow fields, while front guys must know everything Scala-related. Eventually.

 Front end vs. backside developer. The stage is ready, choices clear. Which one will you pick?

 The reality is that Scala doesn’t have such a lot of projects in Japan. However, there are signs of widespread use, like some companies migrating from PHP to Scala. Here are some opinions about the longer term of Scala.

 Scala may be a hybrid language that’s compatible with Java and has the characteristics of a functional language and a scripting language. Demand remains low in Japan, but demand is increasing, especially among IT companies and media companies. There’s an opinion that it is often a successor language to Java, and its future is predicted.

 Scala’s language characteristics include few bugs, short development delivery times, and comparatively easy improvements and functionality changes. This characteristic has been evaluated. Therefore, some cases are used for the event of large-scale services that need stability and development that needs speed during a rapidly changing industry.



Luis Gillman
Luis Gillman

Hi, I Am Luis Gillman CA (SA), ACMA
I am a Chartered Accountant (SA) and CIMA (SA) and author of Due Diligence: A strategic and Financial Approach.

The book was published by Lexis Nexis on 2001. In 2010, I wrote the second edition. Much of this website is derived from these two books.

In addition I have published an article entitled the Link Between Due Diligence and Valautions.

Disclaimer: Whilst every effort has been made to ensure that the information published on this website is accurate, the author and owners of this website take no responsibility  for any loss or damage suffered as a result of relience upon the information contained therein.  Furthermore the bulk of the information is derived from information in 2018 and use therefore is at your on risk. In addition you should consult professional advice if required.