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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40,227 learners enrolled
  • Skill level

  • Time to complete

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

  • Prerequisites


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


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.

  • Certificate of completion available with Plus or Pro

    Earn a certificate of completion and showcase your accomplishment on your resume or LinkedIn.

The platform

Hands-on learning

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An AI-generated hint within the instructions of a Codecademy project
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A fill-in-the-blank JavaScript question in a Codecademy assessment

Earn a certificate of completion

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Reviews from learners

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    Codecademy Learner @ USA
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    Codecademy Learner @ UK
  • Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.
    Codecademy Learner @ USA

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Get started on Create a Back-End App with JavaScript with a free Codecademy account.

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.