Back-end, front-end and full-stack: everything you need to know

Front-end, back-end, full-stack… You’ve certainly heard these terms before, but are you wondering what they mean? How they interact to bring our favourite platforms to life? In this article, we reveal everything you need to know to understand these fundamental concepts and, why not, lay the first foundations of your own development needs.

What is the back-end and what role does it play in web development?

The back-end is the invisible part of a website or application. It’s where the databases, servers and scripts that handle all the behind-the-scenes work live. The back-end is responsible for the operating logic of a website or application and communicates with the front-end to display results to users.

The back-end handles user requests, interacts with the database, performs complex calculations and manages security. Without a solid back-end, the site or application couldn’t work properly.

Back-end developers use programming languages, databases, servers and frameworks. They solve problems efficiently and handle large volumes of data.

Back-end programming languages and frameworks

There are many programming languages and frameworks used to develop the back-end. Here are a few of them:

• Python: a versatile programming language widely used in web development. It’s valued for its simple syntax and high readability. Django and Flask are two popular frameworks used with Python for back-end development.
• Ruby: another easy-to-read programming language. Ruby on Rails is a popular framework used with Ruby for web development.
• PHP: a server-side scripting language widely used for web development. It’s compatible with a wide variety of databases and is often used with the Laravel framework.
• Java: a versatile programming language used in a wide variety of applications, including web development. Spring and Hibernate are two popular frameworks used with Java for back-end development.

Each language and framework has its own advantages and drawbacks, and the choice will depend on the specific needs of the project and the preferences of the development team.

Skills required for a back-end developer

Here are 5 essential skills to look for in a back-end developer:

1. Programming: an understanding of the programming languages used for back-end development, such as Python, Ruby, PHP or Java. They must be able to write clean, efficient and well-structured code.
2. Databases: being familiar with databases and able to create database schemas, handle SQL queries and understand relational database concepts.
3. Web servers: understanding how web servers work and being able to configure them to host websites and applications.
4. Security: implementing security measures to protect data and prevent attacks.
5. Solution-driven: solving problems efficiently and debugging code. They must be able to analyse errors and find appropriate solutions.

What is the front-end and what role does it play in web development?

The front-end is the visible part of a website or application. It’s everything users see and interact with, such as menus, buttons, images and forms.

The front-end is responsible for the user experience of a website or application. It’s about creating a pleasant, responsive user interface. The front-end covers layout, design, animation and user interaction.

Front-end programming languages and frameworks

There are many popular programming languages and frameworks used to develop the front-end. Here are a few of them:

• HTML: the standard markup language used to structure the content of a web page. It defines the structure and organisation of the content.
• CSS: used to style and format the content of a web page. It lets you define colours, fonts, margins, borders and animations.
• JavaScript: a programming language used to add interactive and dynamic features to a web page. It lets you interact with page elements, validate forms, perform calculations…
• React: a JavaScript framework used to build interactive user interfaces. It lets you create reusable components and makes managing application state easier.
• Angular: another JavaScript framework used for front-end development. It lets you build feature-rich, modular web applications.

The skills of a front-end developer

Here are 5 skills to look for first and foremost in a front-end developer:

1. HTML: a good understanding of HTML to be able to structure the content of a web page correctly.
2. CSS: mastering CSS to be able to style and format the content of a web page.
3. JavaScript: the ability to write JavaScript code to add interactive features to a web page.
4. Mastery of front-end frameworks: such as React or Angular, to make developing interactive user interfaces easier.
5. Knowledge of web accessibility: understanding web accessibility best practices to make sure websites and applications are accessible to all users, including those with specific needs.

What is full-stack?

Full-stack can tackle both the back-end and the front-end of a project. A full-stack developer is able to work on every part of a project, which gives them a more complete view and greater flexibility.

A full-stack developer can work on the operating logic of the website or application, as well as on the user interface and user experience.

They must have a good understanding of programming languages, databases, servers, and front-end and back-end frameworks, as well as problem-solving and project management skills.

Conclusion: choosing between back-end, front-end and full-stack

Now that you know more about the back-end, the front-end and full-stack, you have a better understanding of what lies behind the sites and applications you use. Choosing between back-end, front-end or full-stack will depend on your needs, the technical level required and your objectives.

If your project already has a structured team, a full-stack developer can bridge the gap between all the developers and take the lead on project management. If you have a limited budget and would rather bring in just one freelance developer, they’ll also be a good option. If you want to build a team, starting with a back-end and a front-end developer can be a good start!

Do you need help clarifying your project and your needs and finding the right freelancer? Let’s talk! At digitags.work, we have a hub of 1,500 expert digital freelancers ready to support you.