Skill Path

Create a Back-End App with JavaScript

Learn how to build back-end web APIs using Express.js, Node.js, SQL, and a Node.js-SQLite database library.

Includes JavaScript, Node.js, Express.js, APIs, SQL, HTTP, and more.

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45,011 learners enrolled
  • Skill level

    Beginner
  • Time to complete

    Average based on combined completion rates — individual pacing in lessons, projects, and quizzes may vary
    30 hours
  • Certificate of completion

    Yes
  • Prerequisites

    None

About this skill path

What we see is just the surface of the Internet. From posting to streaming, everything happens on the back-end of the web. Get ready to learn the technologies behind the scenes of companies like Twitter and PayPal.

Skills you'll gain

  • Understand the architecture of a web application
  • Connect web apps to databases
  • Build an API

Syllabus

8 units • 29 lessons • 19 projects • 19 quizzes
  • 1

    JavaScript Fundamentals

    Learn the fundamentals of JavaScript to start your journey towards back-end web development.

  • 2

    JavaScript Conditionals and Functions

    Learn how to create more flexible programs using conditionals, control flow, functions, and scope.

  • 3

    JavaScript Arrays, Loops, and Iterators

    Learn how to use Arrays, Loops, and built-in Array methods, and then apply your skills in the Beat Mix project.

  • 4

    JavaScript Objects, Modules, and Browser Compatibility

    Learn about using JavaScript objects to store data and functionality, and learn modern tools for writing reusable, universally usable code.

  • 5

    Building Back-End Servers with Express.js

    Learn to build back-end servers with the popular and powerful Express.js library, then build your own API server in the Boss Machine project

  • 6

    SQL for Back-End Development

    Learn how to create tables, create, retrieve, and update data in SQL databases, and build a data-intensive web app.

  • 7

    Connecting JavaScript and SQL

    Learn the Node-SQLite to connect JS and SQL in web apps, and build your first fully-integrated app back-end in the Codestrips project.

The platform

Hands-on learning

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Reviews from learners

  • The progress I have made since starting to use codecademy is immense! I can study for short periods or long periods at my own convenience - mostly late in the evenings.
    Chris
    Codecademy Learner @ USA
  • I felt like I learned months in a week. I love how Codecademy uses learning by practice and gives great challenges to help the learner to understand a new concept and subject.
    Rodrigo
    Codecademy Learner @ UK
  • Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.
    John-Andrew
    Codecademy Learner @ USA

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How it works

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    We guide you through exactly where to start and what to learn next to build a new skill.
  3. Get there quickly

    We’ve hand-picked the content in each Skill Path to fast-track your journey and help you gain a new skill in just a few months.

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What's included in skill paths

  • Practice Projects

    Guided projects that help you solidify the skills and concepts you're learning.
  • Assessments

    Auto-graded quizzes and immediate feedback help you reinforce your skills as you learn.
  • Certificate of Completion

    Earn a document to prove you've completed a course or path that you can share with your network.