Coding Challenge Platforms

Codility makes great hiring decisions effortless without wasting engineering or recruiter time. Candidates are evaluated equally based on the technical skills that matter, enabling engineering leaders to build high-performing, diverse teams that power growth.

We help fast-growing companies #GoBeyondResumes in technical recruiting by structuring, automating, and scaling technical interviews. Pedigree is a poor proxy for skills. Broaden your candidate pool and qualify individuals based on their skills. Measuring developer skills accurately and at scale is easy with CodeSignal. Reduce hundreds of hours of engineering and recruiting time by automating the technical screening and phone interview steps to focus only on qualified candidates. Screening based on resumes invites unconscious biases whether it’s about gender, race, or pedigree. Build diverse teams with objective skills assessments.

Take your developer sourcing, screening and retention to the next level. CodinGame For Work is the all-in-one, powerful and easy-to-use platform for tech hiring.

The tech behind building great teams. HackerEarth is a remote-ready platform that helps you build dream tech teams by helping you engage, source, assess, interview and upskill developer talent. HackerEarth is a plug-and-play solution that is designed to help you build future-ready tech teams with tools for technical hiring, upskilling and engaging developers. HackerEarth offers industry-leading compliance, security and scalability, so your can build your tech team with no worries, regardless of the size of your organization. HackerEarth lets you engage or source top developers with hackathons, while also enabling you to assess, interview and upskill them with ease. Sharpen your coding skills, prepare for interviews or compete in coding challenges along with a community of over 5 million passionate developers. We offer industry leading turnaround times with zero bots in our employ. It is diligence such as this that has resulted in a 95% B2B Customer Satisfaction rating.

Develop your team with technical training. Give your team the benefits of a technical education — all in a scalable plan that works for your organization. Discounts are available for high volume purchases. Request a personalized quote today. Give your team access to our full catalog — including interactive lessons, practice, and our brand new Skill Paths and Career Paths. We’ll curate a custom guide to our catalog based off of your team’s goals, and pair you with a dedicated coding expert to host chat-based help sessions. Team changes? No sweat — you’ll have unlimited flexibility to rotate licenses between employees. Plus, get weekly reports on your team’s learning progress.

Meet your hiring goals and ship products faster. The market-leading technical skills assessment platform to identify and hire developers with the right skills. Resumes don’t indicate skill. Unpack candidates’ strengths—and weaknesses—with objective skills assessments to reduce bias, expand your talent pool, and achieve your hiring goals. Efficiently filter out unqualified candidates. Reduce time spent by your developers interviewing weak candidates and give them time back to build products. Establish a consistent hiring rubric so you can scale without sacrificing quality. Uplevel your talent bar across the organization and attract talented developers. Everything you need to conduct reliable, real-world, robust technical interviews that developers love.

LeetCode is the best platform to help you enhance your skills, expand your knowledge and prepare for technical interviews. Explore is a well-organized tool that helps you get the most out of LeetCode by providing structure to guide your progress towards the next step in your programming career. Over 1900 questions for you to practice. Come and join one of the largest tech communities with hundreds of thousands of active users and participate in our contests to challenge yourself and earn rewards. Not only does LeetCode prepare candidates for technical interviews, we also help companies identify top technical talent. From sponsoring contests to providing online assessments and training, we offer numerous services to businesses. We now support 14 popular coding languages. At our core, LeetCode is about developers. Our powerful development tools such as Playground help you test, debug and even write your own projects online.

AI-POWERED SKILL TESTING Vervoe allows you to easily make the right hiring decisions based on performance. Vervoe’s AI-powered solution automatically grades any test, and ranks candidates according to job-related skills. Choose from an assessment library of skills tests, video interviews and coding assessments built by industry, or customise assessments for your organisation. Vervoe is an intuitive and powerful way to build and manage your assessments so you can make hiring decisions with confidence.

TestDome provides pre-employment testing for tech hiring and hiring in other industries, including programming, accounting, customer service, project management, and more. -Our 1000+ Questions test real-world problem solving. Get a refund if you find any of our Premium questions answered online. -Customize our ready-to-use tests any way you want or add your own custom questions. -Compare candidates to one another at a glance or dive deeper into an individual candidate’s results and answers. -Prevent cheating using webcam monitoring, duplicate email detection, and copy and paste protection. -Add multiple users to your account at no additional charge.

Hiring Developers? Don't Talk to Just Anybody. Save 80% of your screening time using automated coding tests. Automatically filter coders using programming tests. Screen candidates based on skills not on their CV. Pair-programming instead of phone interviews. Most effective way to conduct programming interview. Watch your candidate code in real-time and follow their thought process. CodeInterview lets you conduct hassle-free technical interviews in a real-time shared coding environment. CodeInterview is an online code interview tool that empowers both candidates and interviewers to solve coding problems in real-time with an online code editor and compilers for all popular languages. Run code in any of the popular languages and see output in real time. It all happens in your browser, no installations needed. Communicate effectively with your candidates with audio and video along with code! Familiar interface with features like syntax highlighting, code completion and more.

AI-powered digital skills assessment. Start building winning teams with our 2000+ skills, enterprise-ready features, and plug & play ATS integrations. 2000+ skills including Digital Skills, Enterprise Applications, Cloud, Infrastructure Management, Application Development, Aptitude, Banking, & more. Assess functional and communication skills in real-time with video interviews and get to know your candidates before hiring. Get the fastest custom skills assessment for your unique requirements by global Subject Matter Experts in less than 48 hours. Ensure 100% integrity of remote assessments with real-time image, audio, and video proctoring. Identify the right skills with actionable data points that provide an accurate skills competency report. Leverage the experience of our support team at every stage. Get 24*7 support via chat, email, and phone.

We're on a mission to revolutionise how businesses assess, select, and ultimately hire tech talent. We're a tech assessments platform which evaluates tech candidate's practical ability, knowledge and interpersonal skills. Our online tech assessments are used by those hiring tech talent to evaluate their candidate's skills and ability using questions and code challenges. We have a range of assessments covering all major roles and technologies, but what makes us special is that we create custom assessments, built around our customers' tech stacks and job roles. We empower recruitment teams to shortlist candidates faster, with added confidence and enable hiring managers to have more insightful interviews.

Make Better Hiring Decisions With Take-Home Coding Challenges. Identify great candidates using real tasks, not brainteasers. The CodeSubmit platform allows your candidates to demonstrate what they know in realistic settings. Send your candidates a real engineering task to complete at their own pace. CodeSubmit provides a library of real-world tasks, natural candidate experience, and insightful reports. Upload your own assignments and improve your existing process with whole team collaboration, tools that make reviewing a breeze, a transparent and consistent candidate experience, and lots of other great features. To help you get started, CodeSubmit offers a library of carefully crafted assignments covering 60+ languages and frameworks. Create your first customized assignment in under 60 seconds. Whether you’re already using take-homes as part of your hiring process or you’re just getting started: CodeSubmit has you covered.

Test Programming Skills Online before inviting applicants to interview! Testing Service for Recruiters, HR Managers and Team Leaders. Need to hire a programmer? Finding talent is just the first step — next you need to test their programming skills. Our service can't completely replace the interview process, but it can save you a lot of time by helping you avoid selecting incompetent developers for interviews. All you need to do is choose a coding test and send it to each applicant. Do you want the coding tests to match your own design and branding? No problem! Use your company's domain and logo without any mention of Tests4Geeks. Your applicants will think these programming assessment tests are all yours! Are you recruitment firm? Send your clients branded reports of your candidates. You'll make a great impression! Reports are provided in PDF format, making them easy to read, share and print. Programming aptitude tests are graded automatically.

Learn programming, design, and more—all on your own time. Find all the instructions you need to get an entry-level job in tech, even if you’ve never coded. Not a beginner? Test out of subjects you already know with Compass. Stay up to date with your skills. Learn the languages, frameworks, and principles required for the most in-demand careers in tech. Each of our Tracks is a mini-program designed to teach you a particular set of skills. Need to learn a new skill set? Enroll in a Track, and your learning path is all mapped out. Our courses have quizzes and code challenges to keep you engaged—because the best way to learn is by practicing. Join a lively and supportive community of students on the Treehouse forums to network, get help, and hang out with others who are studying the same topics as you. Our Tech Explorer's Toolkit is packed with free resources for anyone curious about getting a job in tech. No matter what stage you're at in your journey into tech.

Live coding environment in the browser with integrated video/audio call support. One stop shop for engineering interviews has arrived. Power of Google docs and the simplicity of a code editor. Collaborate with candidates using the simplest and the fastest way possible over an interview. It is one of the best tools to take interviews. Ask better questions without leaving the interview session. Add your own questions that align with your interview process. Keep them confidential and secure with our data security policy. Connect via a Reliable audio/video with the other person on the same URL without downloading any additional software . Audio/video call adapts well to fluctuating internet to make sure remote interviews are done seamlessly. Get centralized notes that shows the candidate journey from a take home assignment to interviews helping you make unbiased decisions.

Automated technical screening & talent management platform. Hire and grow tech talent to drive results with RealLifeTestingâ„¢ methodology. Screen and interview developers seamlessly with our platform. Predict how your candidates will perform through engaging stack-specific tests. Hire, upskill, and promote your employees based on data, not bias. Move your company forward faster with talent management insights from objective skill assessments. Meet your hiring goals with faster and more efficient skills assessments. Reduce turnover and boost productivity by keeping employees happy and engaged. Hire the right people with less manpower involved. Grow their potential to ship better software faster.

Level up your coding and interview skills. Prepare for coding interviews from leading tech companies with our interview prep material. Seamless Coding Environment: A full-screen editor hosted in our platform to help you easily solve our challenges and practice. Solve challenges in one of 10+ programming languages and validate your solutions easily on our platform. Solution Guides: With a Coderbyte membership subscription, you'll have access to over 1 million solutions from other developers. Improve your skills by learning how other people solved the same challenges as you. Progress Reports: See how you're progressing with every challenge you complete. You'll be awarded points, badges,, and you'll start ranking up against other developers as you solve more challenges.

CoderPad is a technical interview platform for leading development teams. It enables a quick, accurate read on a candidate's skills. CoderPad works like an IDE to help candidates easily share their skills and help you understand how they work. Through both collaborative coding sessions and take-home assignments, it’s with you at every stage of the hiring process. CoderPad puts the developer experience first. Its speed and reliability are second to none -- and the interface is intuitive and simple to use. It provides a canvas for you to create a personalized interview process that is unique to your team’s needs. Because every team is different -- and every candidate wants to learn about you in the hiring process. CoderPad helps you find better technical candidates - faster. It delivers unparalleled experience to both interviewers and candidates. And, as your team grows, it's easy to scale. That’s why nearly 2,000 companies around the world rely on us.

Practice makes perfect, and Showcode challenges are the perfect opportunity to learn by doing. If a certain challenge doesn’t go well, you can go back and practice afterwards. You can build up a profile of achievements, badges and certificates. Share your profile and show companies your potential based on coding ability, rather than qualifications or experience. 84 Teams spread over 6 leagues battle head-to-head for points. Sign up to win awesome prizes and get in front of top brands. There is a total of 13 challenges to complete, 
each one taking about an hour to complete. A challenge is open for 2 weeks and only your first submission will count for scoring. Each coder can contribute points towards their University by completing a challenge. The team with the highest points (taken from the top 10 individual scores) will win the fixture and obtain 3 points. The top 10 coders from the 5 teams in each league will battle it out in the Unicode 20/21 Grand Finale to claim top spot.

The ultimate resource to prepare for coding interviews. Everything you need, in one streamlined platform. Coding interview prep is a numbers game that many candidates lose. We've hand-picked 155 of the best coding interview questions to truly prepare you. Algorithms are tough to learn on paper. Each and every one of our questions is accompanied by a two-part video explanation to maximize learning. That's over 100 hours of content, all at your fingertips. Data structures are the pillars of coding interviews. Our video series gives you the foundational knowledge you need to be well-versed in all of the popular data structures. Not everyone speaks the same programming language. We give you solutions to every single question in 9 different languages: JavaScript, TypeScript, Python, Swift, Kotlin, C++, Java, C#, and Go. Coding out solutions to algorithm problems is the best way to practice. Our code-execution environment lets you type out your answers and run them against our test cases.

Learn to code — for free. Build projects. Earn certifications. freeCodeCamp is a donor-supported tax-exempt 501(c)(3) nonprofit organization (United States Federal Tax Identification Number: 82-0779546) Our mission: to help people learn to code for free. We accomplish this by creating thousands of videos, articles, and interactive coding lessons - all freely available to the public. We also have thousands of freeCodeCamp study groups around the world. Donations to freeCodeCamp go toward our education initiatives, and help pay for servers, services, and staff. Since 2014, more than 40,000 freeCodeCamp.org graduates have gotten jobs at tech companies. Join a community of millions of people learning to code together for free. freeCodeCamp is a proven path to your first software developer job. If you are new to programming, we recommend you start at the beginning and earn these certifications in order. To earn each certification, build 5 required projects and get all their tests to pass.

Level up your programming skills with 3,450 exercises across 52 languages, and insightful discussion with our dedicated team of welcoming mentors. Exercism is 100% free forever. There are 52 different language tracks on Exercism for you to explore. Which one will you choose to learn first? Learning through Exercism is quite different to other programming websites, with a focus on individual practice and mentor-based learning. Here's how it works. Object oriented, functional, popular, emerging, or just plain obscure. With 52 different languages to explore, Exercism has something for you! All the coding happens on your machine in an environment you're familiar with. Download the template, solve the problem, and then upload your solution. Discussing code is one of the best ways to learn. Our friendly mentors will comment on your solutions online, introducing you to new ideas and techniques. Our tracks have between 40 and 100 exercise each.

Filtered is the end-to-end hiring platform for emerging technology. Filtered enables your business to overcome today’s tech hiring challenges and assess a candidate’s true fit for the job, team, and company through capabilities-based hiring. Our approach uncovers previously hidden applicant insights and measures their true match, not only to the job but with your business goals. Choose from one or many of our dynamic project-based templates, customize your own, or copy and paste your job description for maximum efficiency through automation. Segment, share, review, change status, and comment on candidate performance while taking advantage of our anti-fraud and anti-bias functionality all in one, user-friendly interface. Schedule and conduct your second round interviews all within our platform using our scheduling tools and video-based live coding and whiteboarding functionality. Tie it all back to the candidate!

GigaMe is the best platform for Front end/UI developer to prepare for interviews and maximize successful interview outcomes. Our platform will help you to, not only utilize your skillset, but also to expand them as well. Bring your breadth of JavaScript coding knowledge to life in well-organized, precise solutions. We provide easy and understandable ways to solve problems in OO JavaScript, Data structures and algorithms. Learn to use progressive enhancement techniques and and technologies using HTML5/CSS3. Have a clear vision of some of the most exciting new features of HTML5 and CSS3 to develop single page application. Expand your knowledge on how to answer in-depth in ReactJS topics like HOC, State, Hooks API, Reusable component, ReduxJS with examples and solutions. We have covered a multitude of the questions asked from real technical interviews, consisting of more than 500+ problems, coding questions, and solutions.