If you are just starting out in the world of software development, you may be wondering what a programming language is. Programming languages are fundamental tools that allow developers to create a wide variety of digital solutions. Simply put, they are a set of instructions and algorithms that tell the computer, or machine, what to do.
Each language has its own characteristics and applications within software development. From low-level applications to web pages, each language plays a specific role. Some are easier to learn while others are more complex and suited to specific projects.
We are going to carry out a detailed analysis of the programming languages most in demand by the labour market in our country, according to our Employment Map, exploring their key differences and examining the professional profiles where their mastery is essential.
If you are already a professional in the field of software development, it is important to always keep up to date and update your knowledge; if you are not yet a professional, it is important that you know which languages you will probably have to work with at some point. And if you need more information about which languages best suit your professional profile, the Virtual Career Advisor can guide you and help you choose the most appropriate training to embark on that path.
The most in-demand programming languages
Java
Java is the most widely used programming language in demand today. From December 2023 to March 2024, job offers requesting its use exceeded 8,100, using Employment Map as a source of data.
It is known for its portability and its use in the development of enterprise and mobile applications for Android. Its robust platform and ability to run on a variety of devices make it a popular choice for large-scale projects. Java is used in the professional fields of software development, analysis, programming and IT architecture.
Python
The total number of job vacancies requiring knowledge of Python as a digital skill rose to around 2,360 from December last year to March 2024, based on the Employment Map.
Python is a language recognised for its clear and readable syntax. It excels in scientific use, task automation and machine learning. Its active community and large number of libraries make it a popular choice for a variety of projects. It is also one of the most popular languages for beginners in the world of programming. Those who learn Python can find opportunities in data analytics, Artificial Intelligence and Big Data, among others.
C
C is a general-purpose programming language known for its efficiency and use in operating systems and low-level software. It has now gained prominence in the development of video games and embedded systems. Its simple syntax and ability to work directly with memory make it a popular choice for performance-critical projects. C is used in the fields of systems engineering, embedded systems development and low-level programming.
The number of jobs offered from the last month of last year until March, where C was one of the skills in demand, exceeded 1,570, according to the Employment Map.
JavaScript
In 4,845 vacancies in the job market from December 2023 to March this year, JavaScript was one of the skills in demand. This language is, without a doubt, one of the most sought-after in the professional profiles of development experts.
JavaScript is the fundamental programming language for web development. It allows the creation of interactive and dynamic applications in the browser. Its integration with HTML and CSS makes it a powerful option for frontend development. Together with some frameworks such as Node.js it makes it suitable for server-side development. Those who work with JavaScript may find opportunities in frontend development.
SQL
SQL (Structured Query Language) is a language designed to manage and manipulate relational databases. It is essential for managing data in a variety of applications, from enterprise systems to web and mobile applications. Professionals working with SQL often occupy roles as DBAs or in database administration.
HTML and CSS
HTML (HyperText Markup Language) and CSS (Cascading Style Sheets) are the languages necessary for the creation and design of web pages. HTML is used to structure the content of a web page, while CSS is used to design the appearance of the page. By knowing HTML and CSS, you can find work in frontend web development and web design.
The first of these, HTML, has been required in around 3,000 job offers according to the data collected by the Employment Map.In the case of CSS, again using the same source as a reference, a total of 1,644 vacancies requested a command of CSS as an essential skill.
If you are thinking of entering the world of programming, or if you are simply interested in learning about current trends in the IT job market, at tecnoempleo.com you can find thousands of job offers that match the programming language you are looking for.
And if you want to learn how to program, you have several options so you can try and find out if coding is for you:
- If you opt for online training, you can do so through Conecta Empleo, our digital training programme aimed at improving the digital skills of people looking to improve their employability.
- If you want to immerse yourself in a face-to-face experience, completely disruptive and free of charge, your option is 42 Fundación Telefónica. The 42 project is designed for anyone over the age of 18 who wants to orientate their professional profile towards the digital environment and do so using an innovative method based on a 100% practical environment, without timetables or classes, as well as being gamified. The free programming campuses 42 Madrid, 42 Barcelona, 42 Malaga and 42 Urduliz (Bizkaia) are open 365 days a year, 24 hours a day so that each student can learn at their own pace. If you want to know more about what 42 is, watch this video.
Come and learn the languages that best suit your profile to grow as a developer!
