HackerRank
Codinghackerrank.com
- Tab-switch, copy-paste and fullscreen exits are logged — keep the browser focused.
- HackerRank's proctor records webcam snapshots; stealth overlay stays invisible to their screen capture.
- Run every test case locally before submitting — partial credit rewards correctness.
Codility
Codingcodility.com · app.codility.com
- Codility plagiarism-detects on typing cadence and paste events. Type code manually; never paste.
- Use the 'Check' button early to surface compile errors — no penalty for running.
- Focus on correctness first, performance after. Task descriptions list the target complexity.
CodeSignal
Codingcodesignal.com · app.codesignal.com
- CodeSignal GCA uses webcam + screen proctoring. Keep only the test tab + overlay (invisible) open.
- You get 70 minutes for 4 tasks — budget ~17 min per task. Skip and return if stuck.
- Score is weighted — Task 4 is hardest but highest points. Attempt it even if not fully done.
CoderPad
Codingcoderpad.io · app.coderpad.io
- CoderPad is often used for LIVE interviews — the interviewer sees every keystroke in real time.
- Talk through your approach before coding. Silence reads as being stuck.
- Use the 'Run' button to validate — stdout is shared with the interviewer.
Qualified
Codingqualified.io · www.qualified.io
- Qualified uses real IDE-style problems with full test suites. Read the README tab first.
- Your code runs against hidden tests — the visible ones are a subset.
Karat
Codingkarat.com · app.karat.com
- Karat interviews are LIVE with a human engineer plus recording. Narrate your reasoning.
- They assess problem-solving, not just final code — trade-offs and complexity matter.
DevSkiller
Codingdevskiller.com
- DevSkiller uses real-world projects — clone, build, commit. Don't refactor beyond the task.
- Plagiarism detection is strict; external dependency changes are flagged.
PMaps
Codingpmapstest.com · testing.pmapstest.com
- PMaps mixes coding with psychometric sections. Answer behavioral questions consistently.
HackerEarth
Codinghackerearth.com · assessment.hackerearth.com
- HackerEarth FaceCode records your camera and screen — keep overlay transparency on max.
- Proctor flags tab-switch, copy-paste, and window-blur events; take notes inside the code editor.
- Partial-test-case credit exists — always submit even a brute-force solution first.
Coderbyte
Codingcoderbyte.com
- Coderbyte screens log every keystroke — paste manually, don't autotype.
- Timer does not pause; budget 5min max on the hardest problem before moving on.
CodinGame / CoderPad Screen
Codingcodingame.com · coderpad.io
- CodinGame Assessment has webcam proctoring on premium screens.
- Use their built-in console — external terminals trigger compliance flags.
Triplebyte
Codingtriplebyte.com
- Triplebyte's adaptive quiz escalates difficulty — first 5 answers set your percentile.
- No webcam, but browser fullscreen monitoring is active.
Interviewing.io
Codinginterviewing.io
- Anonymous human interviewer — treat it like the real thing.
- Shared CoderPad editor; interviewer watches typing in real-time.
Byteboard
Codingbyteboard.dev
- Byteboard is 2hr open-book — you're evaluated on design reasoning more than speed.
- Write inline comments explaining trade-offs; reviewers grade on clarity.
eTeki
Codingeteki.com
- eTeki uses live human technical screeners recorded on Zoom.
- Screener may ask to share screen — ensure overlay content-protection is on.
Adaface
Codingadaface.com
- Adaface's Ada chatbot asks conversational programming questions — type naturally.
- Webcam + screen proctor active; tab-switch events are reported to recruiter.
iMocha
Codingimocha.io · interview.imocha.io
- iMocha's AI-LogicBox runs a full proctor: webcam, audio, screen, and browser-focus.
- They flag `repeated paste` events — type out code solutions manually.
AMCAT (Aspiring Minds)
Codingmyamcat.com · aspiringminds.com · sva.aspiringminds.com
- AMCAT uses SVAR voice test + webcam proctoring.
- Module order is fixed — can't skip ahead or revisit.
CoCubes
Codingcocubes.com
- CoCubes PreAssess integrates with most Indian campus hiring.
- Strict proctoring on remote version — webcam + audio continuously monitored.
Woven
Codingwoventeams.com · woven.teams
- Woven uses human-scored work-sample scenarios (debugging, systems design) — explain your reasoning in comments.
- Scenarios are time-boxed but not hyper-strict; prioritize working code over premature optimization.
- Overlay stays hidden from their screen recording; use it for architecture hints only.
Vervoe
Codingvervoe.com
- Vervoe grades work samples with AI — focus on completeness and clarity, not just correctness.
- Video-response questions are auto-scored; speak clearly and stay on camera.
- Overlay remains invisible to their screen capture and webcam stream.