Most in-demand programming languages in 2020

Most in-demand programming languages in 2020

The software development industry is constantly changing, which means that the needs of companies when it comes to developer talent are fluctuating too. So as you can imagine there are a plethora of programming languages to choose from covering every aspect development also including websites apps, games, and algorithms. Furthermore, we have mentioned the most in-demand programming languages in 2020 and some of their key features.

  1. JavaScript (71% of respondents are looking for candidates with this skill)
  2. Java (57%)
  3. C# (53%)
  4. Python (51%)
  5. PHP (40%)
  6. Ruby (15%)
Most in-demand programming languages in 2020
Most in-demand programming languages in 2020


It’s no wonder JavaScript tops the most in-demand programming languages in the 2020 list.

Nowadays it is impossible to be a developer without using JavaScript in some type of way. With more than 71% of survey respondents looking for developers who can code with JavaScript you can imagine this programming language is one of the most popular ones. JavaScript is also really popular due to its ubiquity on the web and our heavy reliance on the internet. The majority of web most popular sites from Twitter, Facebook, YouTube, etc rely on JavaScript to create interactive web pages and dynamically display content users.

JavaScript has a core language, with continued flexibility through additional development tools. Due to JavaScript having a forgiving, flexible syntax and work across all major browsers it is one of the easiest programming languages for trainees. Today, JavaScript is a widely-used programming language in the world and runs on practically everywhere: Containers, Micro-controllers, Mobile Devices, Cloud, Browsers, Servers.

Key Features:

  • JavaScript has gone through massive modernization and overhaul in the last couple of years. The major JavaScript releases like ES5, ES6 has added several modern features, and JavaScript of today is completely different from JavaScript of the last decade
  • Thanks to Node.js, JavaScript offers event-driven programming, which is particularly suitable for I/O complicated tasks. Today, Node.js and JavaScript run on nearly all Platforms, including Servers and Mobile devices.
  • JavaScript is the unquestionable king in Browser programming. Today, Web development is dominated principally by JavaScript-based SPA frameworks like Vue.js, Angular, React.


Java holds the second position in the most in-demand programming languages in the 2020 list.

It is a popular programming language because Java is the native language for Android, the most popular mobile computing platform in the business.

In the past couple of years, Java has lost some of its businesses to deeply developer-friendly modern languages.

Java is working on its deficiencies and endeavoring to make Java fit for Cloud via the GraalVM action. Java is still the number one programming language for the enterprise. The language has always been amongst the top in-demand programming languages since its creation. If a developer knows Java, they’ll be in continuous high-demand due to the majority of large companies using Java to back-end web systems and building desktop apps. Java is a statically-typed language, so it’s quicker and more manageable to maintain with less bugs.

Key Features:

  • Java offers a multi-paradigm, powerful, feature-rich, interpreted programming language with a flexible learning curve and high developer productivity.
  • Java is strictly backward compatible, which is a critical requirement for business applications. It has never introduced a major breaking change like Scala or Python. As a result, it is still the number one choice for businesses.
  • Java’s runtime JVM is a gem of Software Engineering and one of the best virtual machines in the business. With many years of innovation and engineering craftsmanship, JVM offers great features and performance to Java. JVM also provides some excellent Garbage Collection to Java.


The C programming language is one of the oldest and most popular programming languages thanks to its portability and early adoption by tech giants like Apple and Microsoft. C#

also known as C-sharp is a spin-off of the original language, developed in 2000 by Microsoft. It is an object-oriented language, built around objects instead of actions, and data instead of logic. C# features are similar to Java which is particularly effective for building Windows desktop applications and games.

Although it can also be used to develop web and mobile applications. C# uses a syntax which is similar to other C-derived languages like C++, so it’s easy to pick up if you’re coming from another language in the C family. C# is often used for great company applications like processing bank transactions. The C# language is the suggested language for building 2D and 3D video games using the popular Unity game engine. Today, C# is a multi-paradigm programming language that is broadly used not only on the Windows platform but also on the Linux platform and iOS/Android platform.

Key Features:

  • C# is also platform-independent and runs on Linux, Windows, Mobile devices.
  • Backed by Microsoft and being in the industry for lots of years, C# has large ecosystems of libraries and frameworks. The ASP.NET is used for Web Development, mainly on Windows.
  • In terms of developer experience, C# is quite ahead from Java.
The top 5 languages tested on DevSkiller
The top 5 languages tested on DevSkiller


Python is probably the most user-friendly programming language on this list. It is often said that Python syntax is clear, intuitive, and almost English-like which like is a really great choice for beginners. Python is a high-level, general-purpose language with uses in building web applications analyzing data and developing algorithms. It also has packages like SciPy and NumPy that are commonly used in the fields of scientific computing, engineering, and mathematics.

Python is used often in web scraping and something that could take hours to code in PHP will only take a couple of minutes using Python. It can also be used to automate certain activities, including some of your time-consuming day-to-day tasks. If you’re interested in example in back-end web development, then the open-source Django framework, written in Python, is popular, easy to learn, and feature-rich. And just like Java, Python has a variety of applications that make it a versatile, powerful option when choosing the best programming language for your use case. Today, Python is omnipresent and used in many areas of software development, and it doesn’t look like it’s going to slow down

Key Features:

  • Python has a very active community and support. You can always find enough Python institutions and frameworks, no matter if you are working on Data Science, Enterprise Applications, or Artificial Intelligence.
  • Python has first-class integration with C++/C and can seamlessly offload the CPU heavy tasks to C++/C. Python also gives great toolset for Statistics, Scikit-Learn, Mathematics, and Computational Science with various libraries like SciPy, Pandas, NumPy. In conclusion, Python dominates the Machine Learning/Deep Learning/Data Science landscape and other Scientific domain.
  • The USP of Python is its language design. It is highly productive, elegant, simple, yet powerful. Python has set the gold standard in terms of developer experience and massively inspired modern languages like Julia, Go.


Even though many will argue, PHP has a place on the most in-demand programming languages in the 2020 list.

It is a broadly-used open source general-purpose scripting language and is typically suitable for web development. Even though it’s not as big as it was before PHP is still one of the most applied programming languages around the world. PHP is used by many big companies like Facebook and Yahoo. PHP is a general-purpose, dynamic programming language essentially used to develop server-side Web applications.

The PHP language enabled almost every modern website until the materialization of new web languages like JavaScript. Some surveys say that PHP powers one-third of the web. Even though it’s not having as much as attention as before PHP will persist in advancing for years to come and keep hold of its spot as one of the most popular programming languages.

Key Features:

  • Many large companies are using PHP, which leads to great tooling support for it.
  • PHP has been used in Web development for the last 35 years, there are many strong and stable PHP frameworks in the market.
  • PHP is one of the deeply productive Server-Side Web development programming languages. And as a result, it is widely used in the industry to develop a Web application fast. One of the most famous social networking Facebook was developed in PHP.
USA PHP versions popularity research
USA PHP versions popularity research


In particular, Ruby is used as the basis for the popular Ruby on Rails Web applications framework. Ruby is performed in C and offers garbage collection. Even though Ruby was created in the mid 90’s it has gained popularity during the last decade. It is a highly dynamic and object-oriented language and has various features to use for programmers. Developers who have 6+ years of experience with Ruby, they can expect to receive twice as many interview requests in the current hiring landscape.

Twitter, Shopify, and many more startups have built their websites using Ruby on Rails at some point. Ruby is also a really good language to pick up due to its association with great tech businesses. Just like Python Ruby heavily focuses on developer productivity and developer happiness. Ruby is also an excellent language for new developers for a flat learning curve.

Key Features:

  • Ruby is used by some of the largest software projects like Twitter, GitHub, Airbnb, and has great tooling and framework assistance.
  • Although Ruby itself is not disruptive, its Web development framework Ruby on Rails is presumably the most disruptive and influential Server-side Web development framework.
  • Ruby has liked some of the best features of programming languages successfully: concise, dynamic, garbage-collected object-oriented, and functional.


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