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Live Coding Interview for the AI-age

Interview engineers in a real-time collaborative coding environment. Pair program, whiteboard, and evaluate how candidates think, code, and leverage AI tools – all in a single interview.

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▶ Run
main.pycache.pytest_cache.py
▾ src
main.py
cache.py
utils.py
▾ tests
test_cache.py
# main.py
from cache import LRUCache
store = LRUCache(capacity=128)
store.put("user:42", data
✓ 12/12 tests passed · 3 files
AI tools in the workspace
Claude Code Codex
Live interview
Interviewer on a live callInterviewer
Candidate on a live callCandidate
✎Whiteboard

The Highest Rated Product by Recruiters, Hiring Managers and Candidates

The Highest Rated Product by Recruiters, Hiring Managers and Candidates

Evaluate AI Readiness in Real Time

See how candidates really work with Claude Code and Codex

See how candidates naturally leverage AI tools such as Claude Code and Codex. Evaluate not only their coding ability, but also how effectively they leverage AI-skills such as prompt engineering, AI proficiency, critical thinking, validation of AI-generated code, and overall problem-solving in real-world scenarios.

def two_sum(nums, target):
  seen = {}
  for i, num in enumerate(nums):
    complement = target - num
    if complement in seen:
      return [seen[complement], i]
    seen[num] = i
✓ All test cases passed
Claude Code · visible to interviewer
What’s the best approach for solving this problem?
Use a hash map to store seen numbers and their indices. For each number, check if its complement (target − num) exists in the map.
Can you optimize the space complexity?
The current solution is already optimal with O(n) space complexity.
🛡
Integrity monitor
Signals, not surveillance
LIVE
📋
Copy-paste detected
external source flagged
Flagged
🖼️
Tab switch
left the interview tab
Flagged
📱
New device
second device detected
Flagged
📍
Location change
IP location shifted
Flagged
✓
No further anomalies
behavior consistent
Clear

Advanced Cheating Prevention

Integrity signals without policing the interview

Keep technical assessments credible without policing the room. Canditech surfaces the signals that matter: copy-paste and tab-switch detection, new-device and location changes, plus other behavioral anomalies, so every score holds up to scrutiny.

Speed up hiring with less manual work

Standardized scoring, minus the busywork

Consistent evaluation frameworks reduce administrative overhead and let your engineers spend more time assessing candidates’ skills and fit for the role, and less time managing the process.

Candidate ranking Auto-scored⇄ ATS integrated
CandidateScoreStatus
LMLily Melamed▲Backend
···95
ScoringCompleted
JRJake RiveraFrontend
88
Completed
SOSam OwensFull-stack
76
Completed
⏳ Your team's time shifts to what matters
Admin & process
Assessing candidates
✓ ~6 hrs / week back to your engineers

Live Pair Programming

Code together in a shared IDE with live cursors and instant execution, and see how candidates really think and build.

Collaborative Whiteboard

Work through system design, architecture, and technical concepts together using an integrated collaborative whiteboard.

Canditech · Live Coding Interview
Canditech live coding: code, whiteboard, AI tools and live video

Embedded AI Tools

Observe how candidates naturally use AI tools such as Claude Code and Cursor during technical interviews to assess modern problem-solving skills.

Multi-file environment

Evaluate real-world debugging and problem-solving in a complete codebase, rather than coding riddles.

★★★★★

Loved by candidates,
trusted by industry leaders

wolt-3
glovo-3
mobileye-seeklogo 2
unity-seeklogo 2
Fiverr_Logo_09.2020 2
skechers2
mccann-worldgroup-seeklogo 2
Payoneer_logo 2
SimilarWeb_logo 2
equinox-fitness-clubs-seeklogo 2
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manpower-seeklogo 2
EY_logo_2019 2
deloitte-seeklogo 2
2560px-Monday_logo 2
wix-seeklogo 2
mobileye-seeklogo 2
wix-seeklogo 2
Fiverr_Logo_09.2020 2
Payoneer_logo 2
2560px-Monday_logo 2
zim-integrated-shipping-services-ltd-seeklogo 2
equinox-fitness-clubs-seeklogo 2
EY_logo_2019 2
deloitte-seeklogo 2
skechers2
mccann-worldgroup-seeklogo 2
SimilarWeb_logo 2
d7afb0e7-0bde-4e76-81d6-cd8a86099f8e 2
wolt-3
unity-seeklogo 2
glovo-3
aristocrat-seeklogo 2
manpower-seeklogo 2

See Live Coding Interviews in Action

Learn how one session can replace three interview rounds

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Frequently Asked Questions

How do Live Coding Interviews work?

Canditech’s Live Coding Interviews provide a fully collaborative coding environment where interviewers and candidates work together in real time. The experience includes a multi-file IDE, live cursors, instant code execution, collaborative whiteboards, embedded AI tools, private interviewer notes, and complete session playback, all while allowing your team to continue using its preferred video conferencing platform.

Can candidates use AI during the interview?

Yes. Candidates can use embedded AI tools such as Claude Code and Codex during the interview, allowing hiring teams to evaluate how they naturally incorporate AI into their problem-solving process. Every AI interaction is captured and can be reviewed after the interview.

Can I use my existing video conferencing platform?

Absolutely. Live Coding Interviews are designed to work alongside the video conferencing platform your team already uses, including Zoom, Google Meet, Microsoft Teams, or any other preferred solution. There is no new calling infrastructure to set up or manage.

How is this different from screen sharing on Zoom?

Screen sharing shows you pixels while one person drives. A live coding interview gives both people the same editor: you see every keystroke through live cursors, run code together, and switch to a whiteboard without breaking flow. And unlike coding interview platforms that make you run the call inside their tool, Canditech runs alongside Zoom, Google Meet, or Teams, so your interview logistics stay exactly as they are.

Can I replay completed interviews?

Yes. Every interview is recorded from start to finish, including coding activity, AI conversations, interviewer collaboration, and code playback. Your team can revisit any session to review candidate performance and make more informed hiring decisions.

How does Canditech help prevent cheating?

Canditech combines advanced interview integrity features with complete interview visibility. Hiring teams can review code playback, AI conversations, copy-paste detection, tab-switch monitoring, webcam snapshots, and other built-in integrity controls to confidently evaluate candidate performance.

Can I integrate Live Coding Interviews with my ATS?

Yes. Live Coding Interviews are fully integrated into the Canditech platform and work seamlessly with our 40+ ATS integrations. Interview data, candidate progress, and results can be incorporated into your existing hiring workflow without requiring additional tools.

How do I choose interview software for technical roles?

Look for four things: a real coding environment instead of a whiteboard, visibility into how candidates use AI, structured evaluation tools like private notes and session playback, and results that sync to your ATS. An AI interview platform that combines these replaces separate developer assessment tools with one workflow. Canditech is also ISO 27001 certified and GDPR compliant, with PhD psychometricians validating every assessment methodology.

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Canditech
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