Best Coding Challenge Platforms in Europe

Codility makes it easy to make great hiring decisions without having to waste time or cause frustration for recruiters. Engineer leaders can build high-performing, diverse teams by evaluating candidates based on their technical skills.

HackerEarth is a plug-and-play technical recruitment solution that is designed to help you build future-ready tech teams with a suite of tools for technical recruitment, upskilling and developer engagement. More than 4,000 companies across the globe use HackerEarth to improve the quality of their engineering hires and reduce the time spent by recruiters on screening candidates. With HackerEarth Assessments, you can identify the right candidates for the job by giving them programming assignments that simulate actual on-the-job tasks and shortlist only those candidates that meet your expectations. As a result, you can screen the best developers with ease and with zero bandwidth drain.

CodinGame by CoderPad is an online pre-employment technical testing platform that recruiters, tech leaders and programmers use to quickly filter candidates at the beginning of their hiring process. Both test makers and candidates love it for its user-friendly interface. Easy to set up, built to customize. That's why Nasdaq, Huawei and Electronic Arts are using it already.

Xobin is an online candidate assessment software used by 5000+ teams to track, assess and interview top talent effortlessly. Whether you are conducting role based hiring assessments, tech hiring, large scale university recruitment or even employee skill gap evaluation, Xobin is the single solution that supports all these use cases. What makes Xobin unique is its full-stack capabilities. Xobin is a complete talent operating system with role based skill tests, psychometric assessments, video interviews and applicant tracking feature. All this along with a scientifically curated question library. Don't stitch together different solutions for your hiring and L&D needs. Just use Xobin. Screen based on skills and culture fit with Xobin’s online assessment platform. Xobin operates in 55+ countries, working with growth stage startups, mid-market and enterprises.

CodeScreen is a technical assessment platform. During the hiring process, it is usually quite challenging & time-consuming to assess a candidate’s technical skill level based on their CV, their educational background, or a 30-minute interview. To solve this problem, CodeScreen screens candidates with realistic and asynchronous coding assessments that are automatically graded, resulting in quickly identifying the best developers. This allows recruiters & developers that are normally more involved in assessing candidates to save time. Additionally, they receive a more accurate insight into the candidate’s future performance in their job.

Skillspace by DPhi automates the assessment of on-the-job skills to help high-growth companies hire engineers and data scientists more quickly, cheaper, and more accurately. Skillspace AI is a great choice for recruiters because it offers a variety of features that can be used for remote, lateral, or campus hiring. Sign up for Skillspace AI to get the following: Right features - Skillspace offers 80+ languages, coding challenges, and automated project assessments. It also offers AI challenges and a lot more advanced, but still simple, ways to assess the talent pool. 2. Right company - AI enthusiasts and developers from 140+ countries have endorsed the product. Skillspace AI has evaluated more than 120K+ assessments. Companies using DPhi include startups, enterprises, and large corporations like Trell, Capgemini Cisco, Cisco, and Alibaba. 3. Remote-friendly - Skillspace AI gives you access to high-quality questions as well as a powerful proctoring engine to prevent cheating in your tests.

Evaluate programming skills online prior to inviting candidates for interviews! This testing service is tailored for recruiters, HR professionals, and team leaders. If you're on the lookout for a programmer, identifying talent is merely the initial phase—it's essential to assess their programming capabilities next. While our service can't entirely take the place of the interview process, it can significantly reduce your time investment by helping you filter out unqualified developers before the interview stage. Simply select a coding test and forward it to each candidate. Would you like the coding assessments to reflect your unique design and branding? That's absolutely feasible! Utilize your organization's domain and logo, ensuring that Tests4Geeks remains unmentioned, so candidates perceive these programming evaluations as your own creation. Are you a recruitment agency? Impress your clients with customized reports that feature your candidates' evaluations. These reports are generated in PDF format, ensuring they are convenient to read, share, and print. The programming aptitude tests are assessed automatically, streamlining the process for everyone involved. By integrating this service into your hiring strategy, you enhance your overall recruitment efficiency and candidate experience.

This platform stands out as a remarkable resource for administering online examinations and addressing any questions you may have regarding your preparation. It offers a user-friendly experience that significantly improves the flow of information. Serving as a comprehensive solution for online assessments, it aims to resolve your exam preparation challenges effectively. The interface is designed for ease of use, facilitating smooth communication of information. With straightforward registration, user-friendly features, and effortless test creation, it ensures a seamless experience from start to finish. You can easily sign in and navigate the platform with confidence, as it prioritizes secure data with encrypted information. The system generates results promptly, provides digital evaluations, and allows for the sharing of feedback to help you enhance your performance and achieve perfection. It features a unique combination of detailed analytics tailored to your skills and outcomes. We pride ourselves on offering exceptional support for all your inquiries. Our dedicated team of professionals is available around the clock to address your queries, ensuring that you receive the assistance you need when you need it. Additionally, we provide flexible subscription options that cater to your preferences for utilizing this online examination platform effectively. With such comprehensive features, it is designed to meet the diverse needs of learners and educators alike.

iMocha delivers a holistic platform and solution for organizations to implement the "Skills-First" strategy via its next generation, patented and AI powered Skills Assessment and Skills Intelligence Platform - for Talent Acquisition (FTE and Contingent) and for internal Talent Development and Talent Management. Our customers globally include Deloitte, PayPal, Cap Gemini, E&Y, Reveture, Ericsson, Aston Martin, Vanguard, 711, Telstra, Daimler Trucks, ABSA SA, Avayya, Vanguard, 9 different UN Agencies). From the 500+ customers across 3 continents (NA, UKI/EMEA and India/APAC) 30 of the Fortune 500 companies use iMocha to deliver on their "Skills-First" Strategy. The customer landscape also includes 300+ Mid-Market organizations with less than 5000 employees. iMocha is an SAP Strategic partner with bi-directional integration with SAP SuccessFactors and SAP Fieldglass. Other strategic technology and GSI partners include: PWC, AMS, Reveture, Quantum Works, Bryq, Alert Enterprise, ikigailabs and more. PWC in UKI and EMEA offers iMocha "Skills-First" solution to its customers under a strategic and exclusive joint business relationship.

We are on a mission change the way businesses select, assess, and hire tech talent. We are a tech assessment platform that evaluates the practical abilities, knowledge, and interpersonal skills of tech candidates. The online tech assessments are used to assess the skills and abilities of candidates for tech jobs. There are many assessments that cover all major technologies. But what makes us unique is the ability to create custom assessments based on our customers' tech stacks or job roles. We enable recruitment teams to shortlist candidates quicker, with more confidence, and enable hiring managers have more insightful interviews.

Repetition leads to mastery, and the Showcode challenges provide an excellent platform for experiential learning. If a challenge does not yield the desired outcome, you have the chance to revisit and refine your skills afterward. As you progress, you can accumulate a portfolio filled with achievements, badges, and certificates that highlight your growth. This profile can then be shared with potential employers, showcasing your coding skills as a testament to your abilities rather than solely relying on traditional qualifications or past experiences. With 84 teams competing in 6 different leagues, the competition is intense as they vie for points in a head-to-head format. By signing up, you not only have the chance to win exciting prizes but also to gain exposure to leading brands. Participants will tackle a total of 13 challenges, each estimated to take around an hour to complete, with every challenge remaining open for 2 weeks and only the initial submission contributing to the score. Individual coders earn points for their University by successfully completing these challenges, and the team that accumulates the highest points based on the best 10 individual scores claims victory in the fixture, earning 3 valuable points. The ultimate showdown occurs in the Unicode 20/21 Grand Finale, where the top 10 coders from the 5 leading teams in each league compete fiercely for the championship title. This thrilling finale not only highlights the best talent but also fosters a sense of community and collaboration among participants.

GigaMe stands out as the premier platform for Front end/UI developers aiming to excel in their interview preparations and achieve optimal success in securing job offers. Our resources are designed not only to help you apply your existing skills effectively but also to broaden your technical expertise. You will transform your comprehensive JavaScript coding knowledge into well-structured, accurate solutions. We offer straightforward and comprehensible methods for tackling challenges related to Object-Oriented JavaScript, data structures, and algorithms. By mastering progressive enhancement techniques and leveraging the capabilities of HTML5 and CSS3, you will develop a clear understanding of the latest features that enable you to create dynamic single-page applications. Additionally, we delve into ReactJS topics such as Higher-Order Components, state management, the Hooks API, reusable components, and ReduxJS, complete with practical examples and solutions. Our extensive database includes a wide range of over 500 real technical interview questions, coding challenges, and their respective solutions, ensuring that you are thoroughly prepared. With GigaMe, you can confidently face any interview scenario that comes your way.

Recruiters can quickly design assessments to screen thousands of candidates thanks to DoSelect’s extensive library, which includes over 50,000 questions across more than 25 coding languages as well as various fields like full-stack development, data science, AI/ML, databases, automation testing, and aptitude. The evaluation engine conducts a thorough analysis of skill quality, enabling you to effectively narrow down your candidate pool based on crucial skill insights required for specific job roles. From leaders in learning and development to training managers, DoSelect’s assessment engine empowers organizations to build a comprehensive skill inventory through practical tests and real-world evaluations, ensuring a clear alignment with competencies needed for success. By streamlining the identification of training requirements and facilitating quicker resource allocations, organizations can achieve improved project outcomes and enhance overall business performance significantly. Ultimately, the platform not only optimizes recruitment but also fosters a culture of continuous learning and skill enhancement within teams.

SHL uses people science to enhance every aspect of the employee journey, from hiring to talent development and mobility. With a wide array of assessments, SHL helps organizations measure candidates' skills, potential, readiness, and cultural fit, providing valuable insights into both hard and soft skills, cognitive abilities, and motivation. Trusted by leading companies worldwide, SHL’s solutions are backed by 35 million annual assessments, helping businesses improve hiring outcomes, diversity, and leadership development. Notably, 58% of high-fit candidates for leadership roles are women, highlighting SHL’s commitment to diversity and inclusion. The platform’s integration with over 80 applicant tracking systems ensures a seamless experience for HR teams and hiring managers, streamlining the recruitment process from start to finish. Additionally, SHL has been praised for offering an immersive candidate experience, with 88% of candidates naming SHL clients as their top choice after engaging with the platform’s assessments.

Experience the premier coding bootcamp: Adopt the mindset of a software engineer. Transition your career to new heights, whether full-time, part-time, in-person, or through online learning. Acknowledging the current financial challenges, we have enhanced our income share agreements to better support our students. The leading coding bootcamps provide a training environment that mirrors real-world software development, ensuring graduates enter the workforce ready to excel from day one, which is precisely our goal. Among the finest coding bootcamps, the Hack Reactor Software Engineering Immersive carefully selects high-potential candidates through a thorough admissions process. Our bootcamp offers an extensive curriculum, exceeding 800 hours of Computer Science and JavaScript training that effectively reflects the demands of the software engineering field. Guided by dedicated and knowledgeable instructors, as well as former hiring professionals, we cultivate software engineers who are highly sought after by the top tech teams. By investing in your future with us, you are taking a significant step toward securing a successful career in technology.

An AI-driven platform designed to streamline and enhance the processes of sourcing, screening, assessments, interviews, and onboarding is at your service. Developed by a skilled team holding over 20 patents, this platform includes auto-proctored assessments and interviews to maintain the authenticity and integrity of your recruitment efforts. It stands out as the only technology solution that facilitates comprehensive remote hiring, enabling you to discover top talent from any location, at any time, and on any scale. With access to more than 2,000 pre-built questions across 28 programming languages, you can tailor tests for screenings, capability evaluations, or hackathons according to your specific requirements. The platform also allows you to craft a user-friendly interface alongside a feature-rich coding editor. Additionally, it employs AI-driven live and automated proctoring to automatically identify and mitigate cheating, ensuring a fair and transparent recruitment process. By leveraging this innovative technology, organizations can significantly enhance their hiring efficiency and candidate experience.

CodeChef was established to offer a platform for programmers to excel in algorithms, coding, and competitive programming. At CodeChef, we strive to awaken your inner geek by organizing a monthly programming contest alongside two additional smaller challenges in the middle and at the end of each month. Our goal also includes conducting training sessions and discussions focusing on algorithms, binary search techniques, and technical nuances such as array sizes. Besides being a venue for competitions, CodeChef provides a wealth of algorithm tutorials and forum discussions, catering especially to beginners in computer programming. You can engage with a variety of practice problems and submit your solutions using your preferred programming language, as our contest judge accommodates over 55 different languages. Not only is preparing for coding contests enjoyable, but you can also earn points and climb the ranks within the CodeChef community, enhancing your skills as you go. Join us in this exciting journey and take your programming abilities to new heights!