CodeSignal

CodeSignal

CodeSignal is an online platform that helps tech professionals prepare for coding interviews through practice assessments and programming challenges. It offers features like coding challenges, skill assessment tests, and mock interviews.
CodeSignal image
coding-interviews practice-assessments programming-challenges

CodeSignal: Practice Coding Interviews

Online platform for tech professionals to prepare for coding interviews through practice assessments and programming challenges, including coding challenges, skill assessment tests, and mock interviews.

What is CodeSignal?

CodeSignal is an online coding platform designed to help software engineers prepare for technical interviews and assessments. Founded in 2014, CodeSignal provides a suite of tools to improve coding skills, practice solving programming challenges, and demonstrate abilities to potential employers.

Some key features of CodeSignal include:

  • Coding challenges - A vast library of algorithmic and data structure problems to practice and solve across multiple languages. Challenges increase in difficulty and cover topics commonly tested in interviews.
  • Skill assessment tests - Standardized score-based tests to objectively measure coding skills across key computer science disciplines.
  • Mock technical interviews - Simulated interviews with an automated system that mimics conversations with real interviewers.
  • Talent management tools - Custom coding tests and challenges to screen and assess developers applying for tech roles.
  • Solution videos - Explanations and sample solutions provided by senior engineers after completing challenges.

By consistently practicing on CodeSignal, engineers can improve technical skills, identify knowledge gaps, and walk into interviews with more confidence. The platform aims to make the interview prep process more data-driven and less stressful for those looking to land jobs in software engineering.

CodeSignal Features

Features

  1. Coding challenges and programming exercises
  2. Skill assessment tests
  3. Mock interviews
  4. Automated code review and feedback
  5. Customizable practice tests
  6. Personalized learning paths

Pricing

  • Freemium
  • Subscription-Based

Pros

Helps candidates prepare for technical interviews

Provides detailed feedback and performance analytics

Offers a wide range of coding challenges and assessments

Supports multiple programming languages

Allows for collaborative practice with peers

Cons

Limited free features, most functionality requires a paid subscription

Lacks some advanced features found in other interview prep platforms

Can be time-consuming to create customized practice tests


The Best CodeSignal Alternatives

Top Development and Coding Practice and other similar apps like CodeSignal


LeetCode icon

LeetCode

LeetCode is an online platform used by software engineers to prepare for technical coding interviews. With a database of over 2,500 questions, it allows users to practice coding interview questions on data structures, algorithms, object-oriented design, databases, and more. LeetCode questions are modeled after real coding interview questions asked at...
LeetCode image
Codewars icon

Codewars

Codewars is an online community and learning tool for computer programming. It provides code challenges known as kata which are ranked from 8 (easiest) to 1 (hardest) based on difficulty. The core premise is to train users to improve their coding skills by solving these programming challenges.After signing up for...
Codewars image
Edabit icon

Edabit

Edabit is an interactive platform designed to help people learn and practice coding. It offers a large collection of bite-sized coding challenges and exercises across multiple programming languages including Python, JavaScript, Java, Ruby, C++, and more.The interactive challenges on Edabit allow users to write and test short code snippets to...
Edabit image
CodinGame icon

CodinGame

CodinGame is an online learning platform that helps developers improve their coding skills through fun programming puzzles and challenges. It features over 50 programming languages to code in and provides an engaging way for developers to level up their skills.On CodinGame, developers can go through different challenges and puzzles of...
CodinGame image
HackerRank icon

HackerRank

HackerRank is an online platform and community where developers can sharpen their coding skills. Founded in 2011, HackerRank offers practice problems and competitive programming challenges across a variety of domains and programming languages. Developers use the platform to prepare for programming interviews, compete in code contests, collaborate on coding, and...
HackerRank image
Screeps icon

Screeps

Screeps is an unique sandbox MMO RTS game meant for programmers, wherein players script the behaviors of colonies of robots using JavaScript. The aim is to harvest energy and build structures in order to expand your colony's control over the map.Players write complex AI routines in JavaScript to program their...
Screeps image
Evalart icon

Evalart

Evalart is an open-source survey software that can be self-hosted as an alternative to solutions like SurveyMonkey or Typeform. Some key features of Evalart include:Intuitive survey builder with drag-and-drop interface to create multi-page surveys quicklySupports various question types like single/multiple choice, rating scales, text fields, matrices, and moreOptions to customize...
Evalart image
Project Euler icon

Project Euler

Project Euler is an online platform that hosts a collection of over 750 mathematical problems aimed at encouraging both mathematicians and programmers to solve computational and logic-based puzzles. The problems on Project Euler range in difficulty from relatively simple to extremely challenging.The core premise of Project Euler is to provide...
Project Euler image
Codeeval icon

Codeeval

Codeeval is an online platform designed for software engineers to improve their coding skills and prepare for technical interviews. It provides a large collection of algorithmic challenges and coding tests that cover multiple programming languages like Python, Java, C#, Ruby, Bash and more.Developers can signup for free and start attempting...
Codier icon

Codier

Codier is a popular open-source code editor and integrated development environment (IDE) optimized for web development. It comes packed with features that improve developer productivity such as:Syntax highlighting for major programming languages like HTML, CSS, JavaScript, TypeScript, PHP, Python, and moreIntelligent code completion and validation to speed up codingBuilt-in Git...
Codier image
Coderpad.io icon

Coderpad.io

coderpad.io is an online code editing platform built specifically for technical interviews and remote pair programming sessions. It enables interviewers and interviewees to collaborate on coding challenges in real-time from their browsers with no setup required.Some key features of coderpad.io include:Real-time collaborative code editing - Both participants can type, edit,...
Coderpad.io image
Remoteinterview icon

Remoteinterview

Remoteinterview is a cloud-based video interview platform designed to make the recruiting process more efficient through the use of video technology. The software allows recruiters and hiring managers to conduct interviews with candidates via video call or through pre-recorded video questions.Some key features of Remoteinterview include:Options for live video interviews,...
Remoteinterview image
Codechef icon

Codechef

Codechef is an online competitive programming platform created in 2009. It brings together programmers from across the world to solve coding problems and challenges. Codechef aims to provide a place for programmers to enhance their coding skills.On Codechef, registered participants can participate in various programming contests and submit solutions to...
Codechef image
Topcoder icon

Topcoder

Topcoder is an online platform and open community that connects businesses with a global network of developers, designers, data scientists, and competitive programmers. Founded in 2001, Topcoder pioneered the crowdsourcing model by offering businesses the ability to tap into the skills and expertise of its large community members through competitive...
Topcoder image
InterviewBit icon

InterviewBit

InterviewBit is an online platform designed to help engineers and programmers prepare for technical coding interviews. Founded in 2014, InterviewBit aims to make the interview preparation process more streamlined and effective through its structured curriculum of coding problems, mock interviews, and learning resources.The platform contains over 500 coding problems covering...
InterviewBit image
BitDegree icon

BitDegree

BitDegree is an online education and training platform focused on blockchain and related technologies. It aims to democratize access to high-quality education and training through an innovative incentive-based learning model.Some key things to know about BitDegree:It offers both free and paid online courses in areas like cryptocurrency, programming, data analytics,...
BitDegree image
Vim Adventures icon

Vim Adventures

Vim Adventures is an open-source game designed to teach and test proficiency with the Vim text editor. Players navigate through levels containing text files with syntax errors which they must fix using Vim commands. The game presents Vim commands gradually, requiring players to demonstrate mastery of basic functionality like navigation...
Vim Adventures image
CodersRank icon

CodersRank

CodersRank is an online platform and community that focuses on profiling, ranking, and benchmarking coders based on their expertise and contributions on GitHub. It allows developers to create a rich online portfolio showcasing their skills, experience, projects and more to improve their visibility and reach new career opportunities.Some key features...
CodersRank image
Codility.com icon

Codility.com

Codility is an online platform used by companies and candidates to assess, develop, and certify coding skills through timed coding challenges and automated testing suites. Candidates complete programming tasks in one of several supported languages while Codility analyzes their code for correctness, performance, and other metrics.For companies and recruiters, Codility...
Codility.com image
Kattis icon

Kattis

Kattis is an online platform and judge system created in 2008 by KTH Royal Institute of Technology in Stockholm for hosting programming competitions and education. It allows users to practice solving coding challenges, participate in contests to test their skills, and organize competitions for groups or classes.The platform provides an...
Kattis image
KillerCoder icon

KillerCoder

KillerCoder is a cross-platform code editor and integrated development environment (IDE) designed specifically for web development. It comes packed with features to improve productivity when writing HTML, CSS, JavaScript, PHP, Python, and other web technologies.Some of the standout features of KillerCoder include:Syntax highlighting for all major web languages and frameworksIntelligent...
KillerCoder image
CheckIO icon

CheckIO

CheckIO is an online platform designed for learning and practicing programming through solving code challenges. It was launched in 2015 by the software company SendPulse and has grown into a community of over 100,000 users.CheckIO provides a collection of bite-sized coding puzzles across multiple difficulty levels that allow users to...
CheckIO image
Spoj icon

Spoj

Spoj (Sphere Online Judge) is an online platform for hosting programming competitions and allowing programmers to practice solving coding problems. It has a vast repository of over 20,000 programming problems spanning multiple domains like algorithms, math, combinatorics, game theory, strings, data structures etc.Programmers can choose problems as per their expertise...
Spoj image
Hackattic icon

Hackattic

Hackattic is a SaaS platform designed to help organizations manage bug bounty and vulnerability disclosure programs. It provides a seamless interface between security teams and ethical hackers to facilitate crowdsourced testing and responsible disclosure of vulnerabilities.Key features of Hackattic include:Customizable bug bounty program - Companies can design various rewards and...
Hackattic image
DevScreen icon

DevScreen

DevScreen is a feature-rich screen recording and annotation tool designed specifically for software developers and technical teams. It goes beyond basic screen recording to provide specialized capabilities that streamline common developer workflows.With DevScreen, you can easily capture high-quality screencasts of your IDE, terminal sessions, app UIs, and more. As you...
DevScreen image
Kandio icon

Kandio

Kandio is a feature-rich, free and open source screen capture and screenshot annotation tool available for Windows, Mac and Linux operating systems. It provides a simple yet powerful set of tools to capture, edit, annotate and share screenshots and screencasts.Key features of Kandio include:Flexible screenshot capturing - take fullscreen, window,...
Kandio image
Sphere Contest icon

Sphere Contest

Sphere Contest is an open source web application designed specifically for running contests and competitions online. It provides a complete platform for contest organizers to set up contests, accept submissions from participants in various formats like text, images, audio, video, etc., have a panel of judges score the entries based...
Sphere Contest image
The AI Games icon

The AI Games

The AI Games is an open source platform created by Anthropic to host AI competitions and benchmarks. The goal is to accelerate AI safety research by providing challenging environments where different AI agents can be tested and compared.Some of the key features and components of The AI Games include:A variety...
The AI Games image
Codela icon

Codela

Codela is an AI-assisted code generation platform designed to make software development faster and easier. It allows developers to describe application features and behaviors in plain English, then uses advanced natural language processing and code intelligence to generate full code implementations.Some key capabilities and benefits of Codela include:Code generation for...
Codela image
Interviewme.io icon

Interviewme.io

Interviewme.io is an online platform that provides mock interviews to help users practice and prepare for job interviews. The platform connects users with experienced interviewers who can ask common interview questions and provide feedback to the interviewee after the session.Some key features of Interviewme.io include:A large pool of interviewers with...