Technical interviews for every hiring process

Identify great candidates using real tasks, not brainteasers. Get an accurate measure of your candidate's abilities and hire the right person for the job.

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Coding Challenges & Bytes

Comprehensive coding challenges and quick skill assessments that evaluate real-world programming skills.

Massive library of real-world coding challenges
Git-based workflow for candidates
Automated AI evaluation and scoring
Support for multiple programming languages and frameworks
Bytes with test-driven development approach
Create and Remix challenges with AI
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Interview

Enhanced CodePair Collaboration

Real-time collaborative coding sessions with candidates in a shared development environment. Experience AI-powered assistance and near-native performance.

Real-time multi-cursor collaboration with enhanced performance
Built-in AI agent with full file context and prompting insights
Blazing-fast performance with near-native speed
Full application builds with instant previews
Complete browser-based shell access and terminal capabilities
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components/UserDashboard.tsx
interface UserProps {
id: string;
name: string;
email?: string;
}

Assess

AI-Powered Insights

Automated evaluation and detailed performance analytics powered by artificial intelligence.

AI-powered code analysis
Detailed performance metrics
Comprehensive candidate reports
Generate targeted follow-up interview questions
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AI-Powered

Upskill

10x Engineers in the AI Age

Upskill your engineering teams with AI-powered coding challenges and collaborative learning environments designed for the modern developer.

AI-assisted skill development
Team-based coding challenges
Real-time collaboration tools
Progress tracking and analytics
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Team learning in progress
10x Growth

trusted by leading organizations worldwide

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Real tasks, not brainteasers.

Coding Challenges

Our library of real-world take-home coding challenges gives you an accurate measure of every candidate's coding skills, whilst providing them with a fair and considerate interview experience.
Real engineering tasks: With coding challenges that simulate real work, CodeSubmit is helping the best engineering teams hire faster, smarter, and more equitably.
Extensive Library: Choose from hundreds of coding challenges, from junior to senior architect, covering all major programming languages and frameworks -- or upload your own.
Natural candidate experience: Our innovative GIT-based workflow allows candidates to work on their own machines, with their own tools, and in their own time.
Seamless follow-up interviews: Launch CodePair live coding sessions directly from completed take-home challenges for in-depth technical discussions.
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Example of a take-home coding challenge on CodeSubmit

We've found with CodeSubmit, the process isn't just simple for candidates, it's also giving our hiring managers a better idea of potential job performance.

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Cillié Burger
Chief Technology Officer @ Klar!
Cillié Burger

Real-time collaboration with AI-powered assistance.

CodePair

CodePair empowers candidates to showcase their true potential with real-world tools and challenges. Experience seamless collaboration that feels near-native, with AI assistance and complete development environments.
Real-time multi-cursor collaboration with blazing-fast performance: Superior performance and reliability with reduced lag and better synchronization, optimized for near-native coding experiences with no delays—just smooth, responsive interactions.
AI agent built in: ChatGPT-like AI agent that empowers candidates while giving insights into their prompting skills and problem-solving abilities.
Full application builds & instant previews: Build and run entire applications from React frontends to Node.js APIs with real-time previews and automatic port detection.
Complete browser-based shell access: Full terminal capabilities enabling commands, package management, build tools, and more—exactly like a local environment.
components/UserDashboard.tsx
interface UserProps {
id: string;
name: string;
email?: string;
}

Skip the algorithms. Test real coding skills.

Bytes

Say goodbye to whiteboard interviews and algorithmic puzzles. Bytes delivers bite-sized, practical coding challenges that mirror real development work—giving you genuine insights into how candidates actually code.
Real-world problem solving: Forget leetcode. Candidates solve actual programming challenges using Test-Driven Development, just like they would on your team.
Instant, detailed feedback: Get comprehensive reports showing exactly how candidates approached the problem, including their code quality, test results, and development process.
Candidate-friendly experience: No pressure, no timers, no awkward screen sharing. Candidates code in their own environment using familiar tools and workflows.
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9/10 tests passed

Integrates with your ATS

Integrate with Greenhouse, Lever, Personio, Zapier, Ashby, and other tools to track and manage all your candidates in one place. Stay on top of interview results by receiving on-time and actionable notifications.