Build Real-World
Backend Projects
Learn backend engineering through real-world projects. From backend to AI to product engineering, build and run code in our in-browser playground and turn every project into a portfolio piece.
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Our “Build” Approach
Build your engineering skills with interactive projects for backend, AI, and tech engineering.
Build Your Own Library Management System
intermediate
The "Build Your Own Library Management System" project aims to develop a scalable and efficient API that allows users to explore books, check their availability, borrow and return books, and manage their library accounts.
Build Your Own Weather API
beginners
The "Weather API" project aims to develop a comprehensive API that provides weather forecasts, and weather alerts, and supports user preferences for units of measurement.
Build Your Own To-Do List API
beginners
The "Build Your Own Simple To-Do List API" project aims to develop a straightforward yet effective API that enables users to manage their daily tasks efficiently.
Practice projects across
Browse Projects
Build a Real-time AI Chat Application
Build a real-time AI chat application in Go that streams LLM responses token by token from a locally running Ollama instance, using Server-Sent Events (SSE) on the backend and a clean fetch() + ReadableStream frontend.
DocuChat: AI-Powered Document Q&A System
Build a production-grade AI-powered document Q&A system where users upload documents, ask questions, and get answers with citations — powered by RAG (Retrieval-Augmented Generation), vector search, and OpenAI.
Build Your Own Blogging API
This project involves building a simple blogging API where users can sign up for an account, create blog posts, interact with other users, comment on posts, and follow their favorite bloggers.
Build Your Own To-Do List API
The "Build Your Own Simple To-Do List API" project aims to develop a straightforward yet effective API that enables users to manage their daily tasks efficiently.
Build Your Own Weather API
The "Weather API" project aims to develop a comprehensive API that provides weather forecasts, and weather alerts, and supports user preferences for units of measurement.
Online Marketplace API: Build Your Own Craigslist
The "Build Your Own Online Marketplace Platform" project aims to develop a scalable and efficient API that allows users to list products, browse and purchase items, manage their accounts, and handle transactions securely.
E-Learning API: Build Your Own Coursera
The "Build Your Own E-learning Application" project aims to develop a scalable and efficient API that allows users to explore courses, enroll in them, complete assignments, and manage their learning progress.
Music Streaming API: Build Your Own Spotify
The "Music Streaming API" project aims to develop an API that allows users to search for and stream songs, create playlists, follow their favorite artists, and discover new music. Users can create accounts, manage their music library, and engage with the community through social features.
Build Your Own Library Management System
The "Build Your Own Library Management System" project aims to develop a scalable and efficient API that allows users to explore books, check their availability, borrow and return books, and manage their library accounts.
Build Your Own Social Media API
The "Build Your Own Social Media API" project aims to develop a comprehensive API supporting essential social media platform functionalities. Users can create profiles, post messages, and interact with each other through follows, likes, and comments.
E-Commerce Platform API: Build Your Own eBay
The "Build Your Own eBay API" project aims to develop a robust and scalable API that supports all functionalities required for an e-commerce platform. This API will allow users to browse products, add them to their cart, complete the checkout process, create accounts, save shipping and billing information, and track orders.
Course Platform: Build Your Own Udemy API
The "Course Platform" will allow users to enroll in online courses, participate in quizzes and assignments, and track their progress. Instructors can create, update, and manage courses, including adding course materials, quizzes, and assessments. Administrators will be able to oversee the platform, manage users, and maintain content. The system will also support premium courses with payment integration, certificates for completed courses, and forums for discussions.
Three simple ways to become a
production-ready engineer.
Pick a project
Choose from real-world backend projects across languages and skill levels, each modeled on systems engineers actually build.
Build with our playground
Write, run, and test your code in a full in-browser playground. Complete tasks, pass the graders, and ship a working backend.
Create backend portfolio
Every completed project becomes a portfolio piece, proof of real engineering skill you can show employers.
We've helped developers launch careers at
“I truly appreciate the high-quality material in this course. The structured lessons, hands-on projects, and clear explanations make learning a great experience. I look forward to future additions and updates! Thanks for your polite and friendly attitude.”
Lyle Christine
A Happy Student from Scotland
“The practical examples and hands-on exercises were particularly beneficial. They not only reinforced the theoretical concepts but also allowed me to apply them in real-world scenarios. The inclusion of best practices and common pitfalls added a practical dimension to the learning process.”
Daniel Tinivella
Software Engineer, Globant
“The course is an excellent resource for beginners. Your explanations of the basics are clear, making it easy for newcomers to grasp. I particularly enjoyed the task management application; it's a practical example that helps solidify the concepts.”
Eshan Shafeeq
Blockchain & Web3 Engineer, Cake Defi
Stop Reading About
Backend Engineering.
Pick a project, open the playground, and build something real.