Coding Interview Prep | freeCodeCamp.org
Learn to Code — For Free
Overview
Added
March 17, 2026
Subject & domain
computer-science-fundamentals · data-structures
Grade range
Grade 9 (Freshman)–Grade 12 (Senior)
Page kind
Course
Keywords
pythonjavascriptjsgitgithubwebsitewebdevelopmentfreecodecampcoursecourseshtmlcssreactreduxapifrontbackendlearntutorialprogramming
Introduction
Coding Interview Preparation Resources
- Purpose: Provides free coding exercises to help users prepare for technical job interviews.
- Core Curriculum:
- Algorithms: Includes challenges on Symmetric Difference, Inventory Update, No Repeats Please, Pairwise, and various sorting algorithms (Bubble, Selection, Insertion, Quick, Merge) and Binary Search.
- Data Structures: Dedicated section for practicing data structure implementation.
- Take-Home Projects: Practical assignments designed to build skills and enhance professional portfolios.
- Content Attribution: Educational material is adapted from Wikipedia under the Creative Commons Attribution-ShareAlike License 4.0.
- Additional Certifications: The platform also offers structured curricula in:
- Responsive Web Design
- JavaScript
- Front-End Development Libraries
- Python
- Relational Databases
- Back-End Development and APIs
- Full-Stack Development
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