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Top Demanding Programming Languages to Grow Your Career In 2023

by Rajni
demanding Programming languages
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The programming landscape has been ever evolving since Autocode, the first programming language. Additionally, new technologies and rising demand for quick-fix solutions have pushed the software industry to come up with ways to make the development experience a seamless one. Though there are many robust and easy-to-use programming languages available in today’s market, a few of them have gained unprecedented importance this year.Addit

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What is a Programming Language?

A programming language is a formalized set of rules and syntax that enables programmers to communicate with computers and give them instructions to perform specific tasks. It serves as a means of communication between humans and machines, allowing programmers to write code that can be executed by computers. Programming languages provide a structured and systematic way to express algorithms, data manipulations, and logic, enabling the creation of software applications, websites, mobile apps, and various other computational tasks. Examples of popular programming languages include Python, Java, C++, JavaScript, and Ruby.

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Major Types of Programming Languages

There are several major types of programming languages, each with its own characteristics and areas of application. Here are some of the main types:

  • Procedural Languages: These languages follow a procedural paradigm, where programs are organized as a sequence of instructions that execute in a specific order. Examples include C, Pascal, and Fortran.
  • Object-Oriented Languages: These languages are based on the concept of objects, which encapsulate data and behavior. They emphasize reusability, modularity, and extensibility. Examples include Java, C++, and Python.
  • Functional Languages: These languages focus on functional programming, where programs are built by composing and applying functions. They emphasize immutability and avoid changing state and mutable data. Examples include Haskell, Lisp, and Erlang.
  • Scripting Languages: These languages are designed for scripting or automating tasks. They are often interpreted and have dynamic typing and high-level abstractions. Examples include JavaScript, Python, and Ruby.
  • Markup Languages: These languages are used to define and structure data for presentation or interpretation. They include tags and elements that describe the content. Examples include HTML (Hypertext Markup Language) and XML (eXtensible Markup Language).
  • Domain-Specific Languages (DSLs): These languages are designed for specific domains or specialized tasks. They have a narrow focus and provide abstractions and syntax tailored to the specific problem domain. Examples include SQL (Structured Query Language) for database queries and LaTeX for typesetting documents.
  • Concurrent and Parallel Languages: These languages are designed for concurrent and parallel programming, enabling efficient utilization of multiple processors or cores. Examples include Go, Rust, and Ada. It’s worth noting that some programming languages may fall into multiple categories, as they support multiple programming paradigms or have features from different types. Additionally, there are many other specialized and niche programming languages available for specific purposes.
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Low-Level vs High-Level Language

Low-Level and High-Level languages are two different categories of programming languages that serve different purposes and have varying levels of abstraction. Here’s a comparison between the two.

AspectLow Level Programming LanguageHigh Level Programming Language
Abstraction LevelLowHigh
ReadabilityDifficult to read and understandEasier to read and understand
ControlProvides direct control over hardware resourcesProvides abstraction from hardware
PortabilityLess portable, often tied to specific architecturesMore portable, can be used across different platforms
Development SpeedRequires more time for implementation and debuggingFaster development with built-in functionalities
Hardware InteractionProvides direct interaction with hardwareRelies on APIs and libraries for hardware interaction
ComplexityMore complex and closer to machine codeLess complex and closer to natural language
Application AreasOperating system development, performance optimizationGeneral-purpose programming, web development, application development
ExamplesAssembly language, machine codePython, Java, C++, JavaScript, Ruby
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What are the top demanding programming languages to learn in 2023?

top demanding programming languages to learn

Source: TIOBE

Let’s check out a few of the most important and interesting languages that have been shining in the market these days.

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List of All Programming Languages in 2023


As per the TIOBE Index, Python tops the list of must-learn programming languages in 2023, ‘thanks to its use in the booming industries of data science, machine learning, and AI,” says CodingNomads’ co-founder and lead instructor, Ryan Desmond.  Moreover, another reason worth noticing for its popularity is its rampant use by leading companies of the world such as Google, Facebook, Instagram, Spotify, Quora, Netflix, Dropbox, etc. who have started using Python as their main programming language. Facebook, particularly, uses this language for production engineering. Facebook programmers have written around 21% of Facebook’s code  in Python.

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Why is Python one of the best programming languages in 2023?

  • Easy-to-use: Python is easy to use and learn due to its natural language and simplified syntax.
  • Diverse Applications: Python is suitable for web, data, AI, and beyond, enabling diverse applications in various domains.
  • Wide Range of Libraries and Frameworks: Python has a wide range of libraries and frameworks that allow for efficient data manipulation, web development, machine learning, scientific computing, and more.
  • Open-source: Python is an open-source language, making it accessible to everyone
  • Easy Integration: You can easily integrate Python  with other languages, making it a powerful tool for full-stack development.
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What are the uses of Python?

  • Web development
  • Data analysis
  • Data visualization
  • Task automation
  • Machine learning

According to TIOBE Index report, in 2023, C overtook Java in popularity, holding a rating of 14.73%. Evidently, many top companies such as Microsoft, Mac, Linux, etc. use C to develop their operating systems, databases, applications, and more. Moreover, C is the foundation of the world’s most widely used operating system, Microsoft Windows, as well as kernels for top systems such as iOS, Android, and Linux. Leading databases, such as Oracle and SQL Server, are also developed in C and C++. Additionally, embedded systems, such as sensors and airbag control, rely on C, ensuring its popularity to continue for years to come.

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Why is C relevant in 2023?

  • General-purpose Language: C is a general-purpose language that can be used to develop game designs, enterprise applications, graphics, etc.
  • Quick compilation & Execution: Programs written in C are compiled and executed much faster than those written in other languages.
  • High-level Programming: C is a middle-level language so it can be used for high-level programming such as software scripting and for low-level programming such as scripting for kernels and drivers, etc.
  • Rich Library: C language has a rich library with built-in functions.
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What are the applications of C?

Why C programming language is used

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There are about 8 million Java programmers around the world. So, with such a huge availability of Java specialists, companies are keen to use this language in their development projects. Moreover, Java has been in the game for more than 26 years and even today around 90% of Fortune 500 companies have stayed loyal to it because this programming language keeps pace with the changing times. Also, Java has continued to be used across various segments of technology including web, game, and mobile development, IoT, AI, machine learning, open-source development, and more.  

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Why is Java popular even today?

  • Rich API Features: Java comes with rich API features that can take care of a lot of requirements such as organizing, parsing XML handling input-result, etc.
  • Frequent Updates: A new version of Java is released every 6 months.
  • Rich Library & Framework: It has a vast, feature-rich library and frameworks.
  • Huge Community: Java has a wide user base and community.
  • Beginner friendly: Java is beginner-friendly that allows one to carry out complex activities like memory management easily.
  • Easy to Learn: New developers can write and run programs without too much effort.
  • Compatible with Other Languages: Java can be used alongside any other programming languages.
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Applications of Java

What is Java used for?

C++ ranks 4th on TIOBE’s 2023 index of top demanding programming languages, offering plenty of career opportunities due to its widespread use in various fields such as game development, machine learning, and web development. Moreover, its popularity also stems from being used to create large buffer apps, games, servers, and real-world applications, including Spotify, YouTube, and Amazon.

c++ programming Language
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Why learn C++ language in 2023?

  • Fast, Efficient, & Reliable: C++ is a fast and efficient language offering reliability, performance, and efficiency.
  • Good for Larger Projects: C++ is preferred for larger projects and embedded systems (e.g., smartwatches, GPS).
  • Huge Community: C++ is an old language, so it has huge community support.
  • Many Job Opportunities: C++ job market spans game development, finance, ML, and other industries.
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What are the uses of C++?

What is C++ used for?
C# programming language

C# is a modern, object-oriented programming language developed by Microsoft. Specifically, it is designed to be simple, powerful, and type-safe.

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Why is C# popular in 2023?

  • Versatile: C# is versatile and flexible, with applications in web development, game development, desktop applications, mobile development, and more.
  • Up to date: It is constantly evolving with new features and updates, keeping it up to date with current trends and technologies.
  • Compatible with .Net Framework: It is popular for developing applications for the widely used .NET framework, which creates a high demand for C# developers in the job market.
  • Cross-platform Applications: It is also popular for developing cross-platform applications, allowing them to run on multiple operating systems.
  • Easy to Learn: C# is easy to learn and use with a syntax similar to Java and C++, making it accessible for novice and experienced developers alike.
  • Huge Community: It has a large and active community of developers who contribute to open-source projects, creating libraries and tools and providing support to fellow developers, driving innovation and keeping the language popular.
  • Supported by Microsoft: It is supported by Microsoft, thus ensuring it remains a popular and well-supported language in the future.
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What are the uses of C#?

  • Desktop application development
  • Web development
  • Game development
  • Mobile app development
  • Machine learning
  • Windows services development
  • Database programming
  • Internet of Things (IoT) development
  • Cloud-based applications
  • Business software development

Visual Basic (VB) is a programming language and integrated development environment (IDE) created by Microsoft. It is a third-generation event-driven programming language and a part of the Microsoft .NET platform. 

Visual bAsic logo
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Why is Visual Basic still popular?

  • Easy to learn: Founders made Visual Basic as a  beginner-friendly language, thus making it an ideal choice for new programmers.
  • Rapid application development: VB allows for rapid application development, which means developers can quickly create applications with minimal coding.
  • GUI development: VB has a drag-and-drop interface that makes it easy to create graphical user interfaces (GUIs) for desktop applications.
  • Large community and resources: VB has a large community of developers who share resources, knowledge, and tools to support each other.
  • Legacy applications:  Developers have built many legacy applications using VB which are still in use today.
  • Integration with Microsoft Office: You can use VB to develop applications that integrate with Microsoft Office, making it useful for creating customized tools for businesses.
  • Still supported by Microsoft: Microsoft still supports VB, which means it continues to receive updates.
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Applications of Visual Basic

  • Inventory management
  • Data collection
  • Accessing databases
  • Communications

JavaScript has slipped down the competition ladder of the top demanding programming languages. However, this programming language still dominates the programming scene with over 98% of websites using it to develop the front-end side of websites and applications. Particularly, developers use it for making dynamic and interactive websites, while also utilizing frameworks like Node.js to use it on the server side. Moreover, popular websites using JavaScript include Google, YouTube, Facebook, Sohu, Wikipedia, etc.

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Why is JavaScript in demand in 2023?

  • Old and robust: JavaScript has been in the market for more than 26 years.
  • Huge Community: JavaScript has a larger supportive community.
  • Frontend & Backend Applications: JavaScript has a  huge bank of tools, extensions, frameworks, and libraries. So you can use it to build both the frontend and backend of the application.
  • Diverse Applications: You can use JavaScript to create games, animated 2D and 3D graphics, complicated database applications, and more.
  • Up to date: JavaScript versions are upgraded every 6 months.
  • Compatible with all web browsers: JavaScript is the only programming language that can be executed on any modern web browser.
  • Essential for modern frameworks: JavaScript is essential for web development frameworks like React, Vue.js, and Angular.
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What is JavaScript used for?

  • Web development
  • Mobile development
  • Interactive design
  • Data visualization
Top websites that use JavaScript

SQL stands for Structured Query Language, which is a programming language used for managing relational databases. Developers, data analysts, and data scientists use SQL to store, manipulate, and retrieve data in a database, and work with large amounts of data.

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Why is SQL popular in 2023?

  • Widely used: All major relational database management systems (RDBMS) like Oracle, Microsoft SQL Server, MySQL, and PostgreSQL support SQL, which makes it a widely used programming language.
  • Scalable: SQL is highly scalable and can handle large volumes of data without sacrificing performance. This makes it ideal for working with large datasets and complex systems.
  • Flexible: You can use SQL for a wide range of data-related tasks, including data analysis, data mining, and data manipulation.
  • Efficient: SQL is highly efficient, and can retrieve data quickly and accurately, making it a reliable tool for real-time applications.
  • Easy to learn: SQL is relatively easy to learn compared to other programming languages, with a simple and straightforward syntax.
  • In-demand: SQL skills are in high demand across various industries, making it a valuable skillset for job seekers.
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What is SQL used for?

  • Inserting, updating, and deleting data in tables.
  • Querying and retrieving data from tables based on specific criteria.
  • Filtering, sorting, and grouping data in tables.
  • Performing aggregate functions on data, such as calculating averages and sums.
  • Joining two or more tables together to combine data from different sources.
  • Managing user access and permissions to the database.
  • Backing up and restoring databases.
  • Analyzing and reporting on data in the database.
  • Integrating with other programming languages and tools to build complex applications and systems.
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Final Thoughts

Business across sectors are using different old and new programming languages to develop their websites, apps, data management, embedded systems, and more. However, choosing the correct language for your business requirement from so many choices can be a tedious task. To make your life easier we have listed the top programming languages that can help you make an informed decision. If you are a developer wondering what language you should choose to skyrocket your career, now you know which languages are leading the pack in 2023!

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Frequently Asked Questions

Scripting languages are interpreted and used to automate specific tasks within a runtime environment. Examples include JavaScript, Python, and PHP. Programming languages are compiled and used to write complete computer programs. They include C++, Java, and C#.  

Yes, it is easy to learn programming languages if you have clearly aligned your learning objectives to your career goals. Beginner-friendly languages like Python are straightforward and easy to learn. Consistent practice, good resources, and patience play a crucial role in mastering any language.  

Based on job demand, Python is currently the top programming language, followed by Java, JavaScript, C++, C#, and C. Additionally, Java remains a strong contender and is widely used for creating complete applications, while SQL is also in demand for working with relational databases. 

Python, R, SQL, Java, Scala, C++, and Julia are the top demanding programming languages for data science. 

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