Certified Scala Developer

Certified Scala Developer

Why should you take this Certification?

This certification will make you Internationally Certified and will help in growing your career.

This certification will help you to get Job & Freelance opportunities from thousands of companies.

Average salary given to a Certified Scala Developer is around $60,000 per annum.

Exam Cost: USD 30.00 5 out of 5 based on 8691 ratings.

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What Is Scala?

Scala is a powerful statically typed general-purpose programming language that can be used to write both object-oriented and functional code. Many of Scala's design decisions are intended to address criticisms of Java and are designed to be concise.

To run on a Java virtual machine, compile Scala to Java bytecode and run it there instead. Language interoperability is provided by Scala, so libraries written in either language can be directly referred to from code written in either language. Scala, like Java, is an object oriented language with a syntax known as curlybrace, which is similar to the C programming language.

The off-side rule (indenting) is an option in Scala 3 and is strongly recommended. According to Martin Odersky, this was Scala 3's most useful change. Scala, in contrast to Java, has many functional programming language features like currying, immutability, lazy evaluation, and pattern matching, such as Scheme, Standard ML, and Haskell. Besides that, it has a powerful type system that supports algebraic data types, as well as variance and invariance.

Java does not have operator overloading, optional parameters, named parameters, or raw strings, all of which are Scala features. The checked exceptions feature of Java, on the other hand, is not available in Scala. This has caused some controversy. Scala's name is a mashup of the words "scalable" and "language," indicating that it is built to scale as its users' needs grow. 

Scala was conceptualised in 2001 by Martin Odersky at the École Polytechnique Fédérale de Lausanne. It was a continuation of Funnel, a programming language combining functional programming and Petri nets. Odersky previously worked on Sun's Generic Java and javac Java compilers.

Scala was first made available to the public in early 2004 on the Java platform, following an internal release in the latter part of that year. The European Research Council awarded the Scala team a five-year grant worth over €2.3 million on January 17, 2011. Typesafe Inc. was established on May 12th, 2011 by Odersky and collaborators to provide commercial Scala support, training, and services. Scala is compatible with Java programmes because it runs on the Java virtual machine.

 

Salary Range of Scala Developer

Depending on the experience level and the demographic area, the salary of a Scala developer varies widely.

The following is the average Scala Developer Salary in USA:

Best Minds In Scala$125,000
Senior Scala Developers$ 100,000
Intermediate Scala Developers$ 80,000
Scala Freshers$ 50,000

 

The following is the average Scala Developer Salary in India:

Best Minds In ScalaINR 90,000
Senior Scala DevelopersINR 60,000
Intermediate Scala DevelopersINR 35,000
Scala FreshersINR 20,000

 

What Is Scala Certification?

Scala Certification assesses a person's knowledge of the programming language as well as their understanding of programming concepts. A variety of certifying authorities, ranging from government agencies to commercial enterprises and organisations, offer the Scala certification. Certifications are normally obtained by the completion of an online or offline exam.

All certificates have their own set of benefits, such as international recognition, career opportunities, freelancing, and so on. So, Scala certification is an online exam that evaluates a developer's skills and knowledge in order to match them with the suitable opportunities.

 

Why should you take this Online Scala Certification?

The online Scala certification from Loopskill will assist you in becoming a certified developer. You can take this exam and by scoring 70% you will become an internationally certified Scala developer. This certification will help you in three different ways:

  • You can demonstrate your Scala certification to potential employers and can stand out of the crowd.
  • You can apply for great jobs using loopskill website or app; moreover, our partners companies will contact you directly for full-time or part-time opportunities depending on your skills & requirements.
  • Loopskill is not just a platform to get certified or to find full time jobs; here being a certified developer you can also do freelancing for the clients around the globe. You will be approached by the clients who need your help in building some web based platform or some app based platform.

The loopskill’s online Scala certification is created to help people in exploring and achieving their full potential so they can get connected to the best opportunities around the globe.

 

Few Of The Best Websites Using Scala:

Scala is utilized by over 1,300,000 websites worldwide. Here are a few examples of high-traffic websites that rely heavily on Scala:

www.linkedin.comwww.trello.com
www.typetalk.comwww.decathlon.fr
www.appsumo.comwww.5euros.com
www.systeme.iowww.careers.microsoft.com
www.decathlon.eswww.gumroad.com

 

Advantages of Scala Language for Developers

Scala has various benefits for developers; a few of the most important benefits of using Scala are given below.

  • Scala's syntax looks familiar if you've worked with object-oriented languages like Java or another like it. Unlike languages like Haskell, this one is much simpler to pick up. Additionally, it is far more condensed than Java. When performing the same operation in Java, it would take nine lines of code. In Scala, it takes about three lines of code.
  • This portmanteau of the words "scalable" and "language" is called "Scala." So, Scala's scalability is unquestionably a major advantage. Because of this, we can create systems that are both highly concurrent and fault-tolerant using it. In Akka, the multiagent concurrency model, similar to Language Erlang's, can be used for this purpose.
  • Other Scala features include mixins, open classes, and monkey patching. You can use mixins to perform multiple inheritances at the same time.
  • With tools like Apache Spark and others, Scala can be a great option for data analytics. Large corporations use Scala in their software and services.
  • One of the unique features of Scala is its high level of functionality in paradigms. It's a language that treats its functions like they're elitists. As a result, it has first-class capabilities.
  • If you've used Java before, you're familiar with the thread-safety issues that can arise when developing applications. Scala reduces the likelihood of these outcomes occurring.
  • What would life be without a test to overcome, a goal to achieve? Scala brings engineers face-to-face with problems in a fun, yet instructive, way.
  • When it comes to Java, good Scala developers outperform the average ones. They learn programming techniques such as functional programming, which they can then apply to other languages like the Java Programming Language.
  • Functional programming reduces the number of lines of code and the number of bugs. As a result, businesses can expect to see gains in both productivity and quality.

There are several other advantages to learn Scala and adopt it for your next website or app development project.

 

Important Topics to Learn & Master in Scala

If you wish to become a Scala master, the topics listed below must be covered.

Introduction to Scala

  • What is Scala?
  • Origin of Scala
  • Features of Scala
  • Scala Collection Library
  • Understanding types in Scala
  • Ways to parameterize a type
  • Kinds of types
  • Using types to express domain constraints

Deep Dive into Functions

  • Ways to define a function
  • Polymorphic functions
  • Higher order functions
  • Recursion
  • Trampolining
  • Object-oriented aspects of functions

Implicits and Type Classes

  • Types of implicits
  • Context bounds
  • Type classes
  • Type classes and recursive resolution
  • Type class variance
  • Implicit scope resolution rules

Testing in Scala

  • Scala testing ecosystem
  • Introduction to Behavior Driven Development
  • ScalaTest
  • Concept of property-based testing
  • Properties
  • Generators
  • Shrinkers
  • Properties as laws

Collections and Functional Programming

  • Overview and usage collection library
  • Immutability, persistent data structures and structural sharing
  • Functions and high-order functions

For Loops and For Expressions

  • For Loops
  • For Expressions
  • Difference between for loops and for expressions
  • Composing high-order functions

Inheritance and traits

  • Scala type system
  • Mix-in traits
  • Linearization

Pattern Matching

  • Usage and benefits
  • Catch exceptions
  • Deconstruct tuples

Exploring Built-In effects

  • Foundations of encoding runtime aspects with types
  • Option
  • Either
  • Try
  • Future

 

Future of Scala Developer

Scala already have several inbuilt features which can help you in creating the scalable web or app based platform. The future of Scala developers is bright because Scala will integrate capabilities like as autoloading, security, routing, caching, and better exception handling to create a robust framework. Scala is a well-established player in the market. It holds the top spot among all web application frameworks, a status that will surely maintain. Until 2021 and beyond, Scala's future is one of uninhabited and augmented growth. As a result, the number of developers who join this framework and the number of websites built with Scala will undoubtedly rise, raising the average developer wage. So, if you're just getting started in programming, Scala can be one of the best programming languages to start with.

 

Need Support or Some Doubt

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Certified Scala Developer Certified Scala Developer
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