The Internet and computer systems have continued to develop and therefore impress us a little more every day. After the rise of Minitel came the time of microcomputers, where the first fixed pages flourished with questionable graphics and logos produced using WordArt. Fortunately, they have given way to pages rich in animation and harmonious colors. Drop-down menus, websites optimized for computers, tablets and mobiles, pop-ups (advertising or engagement), all this is made possible thanks to the variety of programming languages that make up this ecosystem.
Beyond the computer languages related to the pure aesthetics of a website, there are a multitude of other languages dedicated to the creation of applications, operating systems or the creation of video games. And in an environment that changes daily, it is important to stay informed about the programming languages most in demand by companies, to improve your employability and your income, but also to stimulate your brain by giving it new challenges. Here is a small ranking of the most profitable languages on which to focus your attention for the next few years and thus boost your career.
Scala
Scala is a multi-paradigm language, centered around the object and functional programming. It is a very popular language, due to its simplicity and variety of use. Based on the Java language, it is a staple in a programmer’s skill set.
The average salary of Scala developer is € 64,930 ($ 76,000)
Go (or Golang)
Go, which is a programming language created by Google in 2009 as an alternative to C and C ++, is arguably the best programming language to learn in 2021. Also known as GoLang, it is now among the best programming languages. to its extreme versatility.
Designed to be simpler, safer, and easier to write, Go has taken the programming world by storm since its release. It is relatively easy to learn for beginners – a rarity among statically typed languages - and offers very understandable code syntax.
As a modern language, Go offers some advantages that make it quite favorable over older languages such as Java and Python. These include:
- Its speed. When it comes to speed, Go is comparable to C languages. This makes it very useful for things like website development.
- Its ease of use. However, unlike C languages, Go is very easy to use. Its code makes sense, and it’s easy to imagine what a block of code will do before executing it.
Add to that the security aspect and you have a language that seems to be here to stay.
If you want to get started with Go, either as a native language or as a language to add to your developer’s toolkit, there are several online courses to choose from. Look for a reliable course provider that has a good reputation and offers good learning support.
The average salary observed is € 62,067 ($ 72,691)
Objective-C
Mainly used by Apple and Linux, Objective-C is a reflexive object oriented programming language. It can combine C and C ++ languages, in particular to create applications. If you are already familiar with the C language, you can get down to learning Objective-C
The average salary of Objective-C developer is € 56,978 ($ 66,697)
Swift
Although released only four years ago, Swift quickly became one of the most demanded programming languages in 2021. It was created by Apple to replace Objective-C and make iOS programming easier. It was quickly adopted by Apple programmers and has seen a steady increase in language rankings ever since.
Swift has become one of the fastest growing programming languages. Although released in 2014, it is now the language of choice for various uses in iOS, Mac, Apple Watch, and even web programming. It is designed to enable programmers to write fast, stable and secure software quickly.
Swift is based on three key principles:
- Security – Swift is all about safety and security. This can seem a bit restrictive at times, but it reduces the risk of potentially serious developer mistakes.
- Speed - As a replacement for Objective-C and other C-based languages, Swift should be comparable in terms of performance. It was therefore designed to be fast, predictable and consistent.
- Expressiveness – Unlike older languages which can be counterintuitive and difficult to follow, Swift offers clear and predictable syntax that is fun and easy to use.
The average salary of Swift Developer is € 55,664 ($ 65,171)
Pascal
Pascal is a programming language which uses a clear and imperative syntax, and was especially designed for teaching. Based on Algol, it is very easy to use and appreciated by beginners who want to learn about programming.
The average salary of Pascal developer is € 53,650 ($ 62,773)
R
The growth of data science and machine learning favors the reappearance in the ranking of the programming language R. Created in the 2000s, it was not until 2020 that it reached the top for the first time 10 of the TIOBE index which measures the popularity of programming languages.
It is widely used by data miners and data scientists for the creation of statistical models and the development of automatic learning algorithms. It is also very interesting in the economic and industrial sector, because it offers:
- open source libraries for statistics and data science,
- a wide range of thematic packages covering areas such as econometrics and finance,
- great interactive visualization and reporting tools.
Again, with the growing demand for data science and AI experts, mastering R will be an asset in the 2021 job market.
In the constantly innovating sector of IT, knowledge of historical languages therefore remains an advantage for developers. However, languages also evolve with updates, the creation of new features, and the emergence of popular frameworks. Technology watch and trend monitoring are essential to remain competitive.
And you, what changes have you noticed in the popularity of programming languages? Do you plan to gain skills in other languages or frameworks in 2021?
The average salary of R Language developer is € 52,689 ($ 61,629)
Python
Whether it is for beginners or experienced developers, knowledge of the Python language is essential. With its intuitive and easy to learn syntax, it is ideal for getting started with programming. But it is also a very versatile programming language used for the back-end, mobile applications or in the field of data science.
According to the RedMonk ranking, in 2020, Python for the first time outclassed Java to become the most popular programming language. Its use has grown by over 18% in the past 5 years.
Python is a highly sought-after language for its compatibility with cutting-edge AI (Artificial Intelligence) technologies as well as with deep learning. It contains many packages and frameworks like “PyTorch” which help developers to create and integrate machine learning models.
So there is no doubt that the demand for Python developers will increase further with the rise of AI and machine learning.
The average salary of Python developer is € 48,455 ($ 56,670)
Javascript
In the ranking of the most popular programming languages, many appear and then disappear quickly, except one, which resists again and again… JavaScript. It has indeed been ranked among the best languages for several years.
According to a StackOverflow survey , it also remains the most popular language among developers and is regularly used by large companies like Facebook, Google and Microsoft.
While it is above all a dynamic front-end oriented language, it also has many platforms and libraries for programming mobile applications, games or even back-end development. Among the most famous are React and Node.js. With such an ecosystem, Javascript should largely retain its place at the top of the rankings in 2021.
The average salary of Javascript developer is € 47,615 ($ 55,690)
C #, C and C ++ supported by the gaming industry
C #, C, and C ++ are three different programming languages. However, their evolutions and ranks among popular languages are very similar and supported by one main sector: the gaming industry.
C # and C ++ are the languages used in Unity, the popular cross-platform game engine. According to a study by Unity Technologies, developers mastering C #, C ++ and C are highly sought after for the development of video games, a field in constant growth.
C # is also designed and maintained by Microsoft primarily for its .Net framework. It offers many features appreciated by developers such as structured syntax, fast compilation, updates and high scalability.
In 2021, the popularity and employment opportunities for programming in C #, C and C ++ will therefore remain very significant.
The average salary of C++ developer is € 47,329 ($ 55,363)
Kotlin
Kotlin recently ranked as the second most beloved language in the world, behind cult favorite Rust. It has also received continued official support from Android Studio and Google, instantly making it one of the best programming languages to learn.
Kotlin was developed as an alternative to Java. It fixes a number of issues inherent in the Java language and is starting to become the language of choice for many large Android teams. Some of the most attractive features of the Kotlin language include:
- It’s concise, which means you have to write less code to get the same result. There is less room for errors and your programs will be more compact.
- It is safe to eliminate entire error classes – for example, null pointer exceptions do not exist in Kotlin.
- It is user-friendly, allowing the use of both existing JVM, Android, and browser libraries, as well as Java IDE tools.
As you can see, Kotlin is poised to take back a significant share of the Java market. If you are or want to become an Android developer, this is definitely one of the top programming languages to learn, with a high demand for developers at the moment.
The average salary of Kotlin developer is € 46,163 ($ 54,000)
Conclusion:
We have noticed that some languages stand out. JavaScript (as well as its improved version, TypeScript) and Python in particular. These two languages are also among the easiest to learn while being among the most versatile. If you don’t know what language to learn and you don’t have any particular constraints, we recommend that you opt for one of these two, depending on what type of product you want to develop, of course.
Learning a new programming language takes a lot of time. This can be risky, as there is always a chance that your newfound knowledge will not let you down. You can learn a language for which no job is required or decide that the language you learned is not for you.
If possible, you should avoid this. If you want to get a job at the end of your course, it’s probably best to learn one of the best programming languages described above. These are some of the most popular and demanded languages in the world. They would all add valuable assets to your skill set that you can use for years to come.
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