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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Build your engineering skills with interactive projects for backend, AI, and tech engineering.
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.
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.
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
Choose from real-world backend projects across languages and skill levels, each modeled on systems engineers actually build.
Write, run, and test your code in a full in-browser playground. Complete tasks, pass the graders, and ship a working backend.
Every completed project becomes a portfolio piece, proof of real engineering skill you can show employers.
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Pick a project, open the playground, and build something real.