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.
Skill level
BeginnerTime to complete
Average based on combined completion rates — individual pacing in lessons, projects, and quizzes may vary30 hoursCertificate of completion
YesPrerequisites
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.
Projects in this skill path
- Project
Kelvin Weather
In this project, we're going to practice variables and printing to the console in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? You've got to master the basics. Get comfortable with these fundamentals. - Project
Dog Years
In this project, we're going to practice variables and strings in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? These concepts will help you use your data to output information to your users. - Project
Magic Eight Ball
Build a virtual Magic Eight Ball using control flow in JavaScript. You’ll practice building decision-making into your programs and gain confidence in writing more robust JavaScript code.
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.ChrisCodecademy 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.RodrigoCodecademy Learner @ UK
- Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.John-AndrewCodecademy Learner @ USA
Our learners work at
Skill paths help you level-up
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.Get step-by-step guidance
We guide you through exactly where to start and what to learn next to build a new skill.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?
Related resources
- Article
What is Express.js?
Learn about the popular web framework Express.js. - Article
Learning from Solution Code
This article guides learners through comparing their code to the solution code, and maximizing learning through this process. - Article
What is Node?
Learn about Node.js, a JavaScript runtime for building server-side or desktop applications.
Related courses and paths
- Free course
Learn Node-SQLite
Learn how to interact with a SQL database from within your JavaScript programs!Intermediate2 hours - Career path
Full-Stack Engineer
A full-stack engineer can get a project done from start to finish, back-end to front-end.Includes 51 CoursesWith Professional CertificationBeginner Friendly150 hours - Career path
Back-End Engineer
Back-end developers deal with the hidden processes that run behind the scenes, building APIs and databases that power the front-end.Includes 41 CoursesWith Professional CertificationBeginner Friendly100 hours
Browse more topics
- Web Development6,940,907 learners enrolled
- JavaScript3,765,919 learners enrolled
- Code Foundations13,305,462 learners enrolled
- For Business9,809,169 learners enrolled
- Computer Science7,533,248 learners enrolled
- Data Science5,854,826 learners enrolled
- Python4,588,360 learners enrolled
- Cloud Computing4,153,858 learners enrolled
- Data Analytics3,960,183 learners enrolled
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.