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.

To start this Skill Path, upgrade your plan.
41,213 learners enrolled

  • Skill level

    Beginner

  • Time to complete

    8 weeks

  • 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 • 18 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

Don't just watch or read about someone else coding — write your own code live in our online, interactive platform. You'll even get AI-driven recommendations on what you need to review to help keep you on track.
Animated demonstration of running code in Codecademy's learning environment

Projects in this skill path

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

Our learners work at

  • Google Logo
  • Meta Logo
  • Apple Logo
  • EA Logo
  • Amazon Logo
  • IBM Logo
  • Microsoft Logo
  • Reddit Logo
  • Spotify Logo
  • Uber Logo
  • YouTube Logo
  • Instagram Logo

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.
See pricing and plans
How it works

Skill paths help you level-up

  1. Get a specialized skill

    Want to level up at work? Gain a practical, real-world skill that you can use right away to stand out at your job.

  2. Get step-by-step guidance

    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.

Ready to learn a new skill?

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

Looking for something else?

Explore full catalog