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What is back end?

What is back end?

What is back end?

Generally, a website consists of two parts — the front end and the back end. The front end, also known as the client-side, is what you see in the browser. The back end, or server-side, is everything that happens “under the hood,” and its components aren’t immediately obvious.

In the video above, Web Developer Carlos Grijalva gives us an example. Think of a website as a restaurant. When you first sit down, you’re presented with a menu, which may include pictures and descriptions of the items you can order. When you place your order, you might request something specific, like a salad with dressing on the side. This is similar to how the front end works.

Then, the kitchen staff takes your order, gets the ingredients from the refrigerator and pantry, cooks them together, and brings you your food. This is essentially how the back end works.

Below, we’ll take a closer look at the back end, what Back-End Developers do, the tools they use, and how to become one.

What goes into the back end?

As Carlos explains, “the back end is a combination of a database and a software written in a server-side language.” The back end includes servers and databases. Servers control how users access files. Databases are organized and structured collections of data.

Here’s an example. When you log into a website, you enter your username or email and password. This information is then sent to server-side software, which ensures that your email looks like an email address and your password is structured like a password. If everything looks good, it sends the data to the database to ensure someone with that username and password exists. Then, it chooses what’s important and sends it back to you in the form of your user page.

What do Back-End Developers do?

In another post, Doug, one of our Senior Back-End Engineers, gives us an overview of what a Back-End Developer does. While touching on the role’s capacity for problem-solving, he provides a list of common responsibilities, including:

  • Creating, integrating, and managing databases.
  • Using back-end frameworks to build server-side software.
  • Validating data to make sure it’s formatted correctly before being sent to the database.
  • Integrating user-facing elements with server-side elements to make sure that information is being sent to the right place so the server can retrieve it.

What tools do Back-End Developers use?

Back-End Developers use a range of technology and software, many of which fall into three categories: databases, programming languages, and frameworks.

Databases

As we explained above, databases are used to store user information and other important data. Popular database management systems include:

  • MySQL
  • MongoDB
  • Oracle
  • PostgreSQL

Programming languages

Back-End Developers use query languages like SQL to manipulate the data stored in databases. They also use various programming languages to build applications that facilitate communication between servers and databases. Some of these languages include:

  • Ruby
  • Python
  • PHP
  • Node.js
  • Java

Python is a great choice for beginners. It’s concise and easy to read. It’s also extremely popular and has a large programming community behind it. Ruby is another beginner-friendly language that has an enthusiastic programming community behind it.

Frameworks

Frameworks make software development faster and easier, saving time developers would otherwise spend writing code. Popular frameworks include:

  • Ruby on Rails
  • Django and Flask
  • Express.js

How do you become a Back-End developer?

You can take a few paths to become a Back-End Developer. One obvious option is to get a degree, but that’s not for everyone. Fortunately, you can become a back-end developer without a degree by taking classes and learning on your own.

Carlos suggests starting by choosing a language and a framework. For example, you could begin with Ruby and then learn its associated Ruby on Rails framework.

From there, Carlos suggests learning how to work with servers, then learning APIs and HTTP methods. Next, you’ll want to connect to databases and learn how to retrieve data. Finally, you’ll want to build something on your own. This allows you to implement the server, database, and APIs and connect to a simple front end. This brings all your learning together and provides you with a project you can include in your portfolio.

How do you become a Back-End Engineer?

If you’re intrigued by all the happenings behind the scenes of websites, another career option is becoming a Back-End Engineer. Back-End Engineers tend to take a big picture view of the back end, essentially serving as architects — designing entire systems and overseeing entire projects.

If this sounds like the role for you, check out our Back-End Engineer Career Path. You’ll learn how to use tools like JavaScript, Node/Express.js, SQL, and more. You’ll also create Portfolio Projects, which will help you land a job as a Back-End Developer or Engineer.

You’ll also learn about web security, algorithms, and how to scale servers. We’ll even help you prepare for your technical interviews, which are on-the-spot demonstrations of your skills. Ready to start your Path? Sign up today!


Python Courses & Tutorials | Codecademy
Python is a general-purpose, versatile, and powerful programming language. It’s a great first language because it’s concise and easy to read. Whatever you want to do, Python can do it. From web development to machine learning to data science, Python is the language for you.
What is back end?
SQL Courses & Tutorials | Codecademy
SQL is the standard relational data management language. We live in a data-driven world, and there are many businesses that store their information inside large, relational databases. This makes SQL a great skill not only for data scientists and engineers, but for anyone wanting to be data-literate.
What is back end?

Read original article here: What is back end?

Read original article here: What is back end?



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