HelloStack
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Online IDE for Technical Interviews

Starting price
$80/mo
Social media
@coderpad

About Coderpad

Coderpad is an online IDE for technical interviews that lets interviewers edit and run code in real time with candidates in the browser to assess practical coding skills during screening and interviews. It pairs real-world coding tasks with a collaborative live editing environment and interviewer tools to reveal how candidates think and solve problems.

Coderpad screenshot

Key Features

In practice, teams rely on it to test real engineering work and observe problem solving in context, not just answers, while maintaining a smooth candidate experience:

Real-world coding tasks

Engage candidates with practical tasks they’ll actually complete, including multi-file projects when needed.

Live, collaborative editor

Code in real time with the candidate in the browser, so you can follow decisions as they ship work.

Structured scoring and playback

Use a rubric and playback reports to justify hiring decisions and speed up advancing top candidates.

Integrity and cheating detection

Adaptive tests, activity monitoring, and alerts deter shortcuts and help verify true skills.

Summary

Best for software engineering interview teams, recruiting operations handling high-volume screens, and product or data teams evaluating technical aptitude.

Plans and prices as listed on coderpad.io as of Sep 24, 2026.

Starter

$80 / Month

  • AI Assist included — LLM in the pad
  • 400+ question library
  • 10 custom questions
  • Unlimited users

Team

$400 / Month

  • AI Assist + prompt capture
  • 1400+ question library
  • 20 custom questions
  • Take-homes & auto-scored screens
  • Code playback & session recording

Enterprise

Custom / N/A

  • Unlimited custom questions
  • Pre-screen 1,000s of applicants
  • AI tools to auto-grade complex AI projects at scale
  • Test AI fluency for all roles
  • Dedicated CSM + training + test optimization
  • Advanced cheating prevention & detection

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