Open-source alternatives to The Coding Interview

This project is a comprehensive repository of verified computational implementations designed to serve as an educational resource for computer science and algorithmic problem solving. It provides a structured collection of code examples that cover fundamental data structures, mathematical operations, and core programming concepts, allowing users to study the logic and complexity behind various computational methods. The repository distinguishes itself through a modular, reference-based implementation pattern that organizes code into logical namespaces. This approach facilitates independent ex

This project is a technical interview preparation resource focused on JavaScript. It provides a collection of common technical questions, detailed answers, and conceptual quizzes designed to help users master core language fundamentals and browser APIs. The resource utilizes an interactive infrastructure that includes a coding workspace with in-browser runtime execution and an automated test suite to validate code correctness. It organizes content through curated learning paths and modular concept mapping to decompose complex language fundamentals into searchable study modules. The curriculu

This project is a comprehensive reference library and preparation guide for Python technical interviews. It combines theoretical guides on computer science fundamentals and language runtime internals with practical implementation examples of algorithms and data structures. The repository serves as a curated knowledge base that maps theoretical interview questions to concrete code snippets. It provides technical analysis of Python language internals, including memory management, garbage collection, and the global interpreter lock, alongside a library of creational and structural software desig

InterviewThis is a developer interview question bank and employer evaluation framework. It provides a curated collection of targeted questions and discovery prompts designed to help software engineers audit the technical and cultural environments of prospective employers. The project offers specialized guides for technical due diligence, including assessments of the technical stack, infrastructure, and quality assurance practices. It includes structured frameworks for evaluating engineering culture, development workflows, and operational health, such as on-call expectations and incident respo

System design interview for IT companies

This project is a computer science educational resource and library providing implementations of data structures and algorithms in JavaScript. It serves as an algorithm implementation reference and a toolkit for building foundational data containers, including a collection of sorting algorithms and a guide for learning time and space complexity. The project differentiates itself by pairing class-based implementations with Big O analysis to illustrate asymptotic complexity. It includes a non-linear data structure toolkit featuring self-balancing trees, hash maps, and graphs, alongside comparis

Katas on Symfony2 Framework

🟣 Angular interview questions and answers to help you prepare for your next technical interview in 2026.

Style guides for Google-originated open-source projects

This project is a comprehensive, community-curated compendium of the fundamental principles, heuristics, and adages that define professional software engineering. It serves as a structured reference for developers and managers, documenting the empirical observations and mathematical formulas that shape system architecture, team dynamics, and technical decision-making. The repository distinguishes itself through a decentralized, open-contribution model that relies on distributed version control to maintain its knowledge base. By utilizing a flat-file data structure and markdown-based content c

A Refactoring Golf exercise

This project is a structured educational curriculum designed to guide developers through the fundamentals of machine learning. It functions as a technical skill builder, offering a curated roadmap of progressive coding challenges that cover core algorithms, statistical concepts, and essential data science libraries. The repository distinguishes itself through an iterative sequencing of content, organizing complex technical topics into a daily progression that facilitates incremental mastery. It integrates third-party academic lectures and educational resources to provide necessary theoretical

Kata to learn about Polymorphism

A Kata exercise. This one involves writing code to reserve seats on a train.

Several code katas on a racing car theme

This is a refactoring kata for improving your coding skills

This is a Refactoring Kata based on the rules of Tennis

EKAlgorithms contains some well known CS algorithms & data structures.

A legacy refactor kata, focused on the violation of the tell don't ask principle and anemic domain model

This repository contains Hands on Test Driven Development Katas (C#)

Australian companies that provide work visa (and/or relocation) to their employees (mainly tech).

Clojure Katas inspired by Alice in Wonderland

A public list of open-source challenges from jobs around the world

This project is a refactoring kata collection and software design education resource. It provides a set of intentionally messy codebases and multi-language code samples designed for practicing incremental design, legacy code modernization, and software restructuring. The collection serves as a training material for test-driven development, focusing on the use of golden master testing suites and approval testing to ensure functional parity while evolving source code. It includes a universal learning baseline by implementing identical complex business rules across several different programming

Exercises for Docker training

Opening hours don't have to be so boring - A TDD & Refactoring Kata