Hire at the Speed of Quark9
The end-to-end AI interview platform — from CV screening to live AI-led conversations, scored and shortlisted in minutes, not weeks.
Trusted by hiring teams at
How it works
From job description to signed offer — without the busywork.
Three steps. One platform. Same hiring decision quality, in a fraction of the time.
Upload a job description
Drop in a JD or generate one with AI. Quark9 builds your screening criteria, weights, and interview rounds automatically.
AI screens and interviews
Candidates apply, Quark9 ranks every CV against the role, then runs aptitude tests and live AI video interviews — proctored end-to-end.
Get a ranked shortlist
Open the pipeline and see exactly who scored what, on which round. Send offers or LOIs in one click. No spreadsheets, no calibration meetings.
0%
Faster screening
vs. manual CV review
0%
Lower time-to-hire
From open to signed offer
0+
Interviews conducted
Across 200+ companies
0.0★
Candidate experience
Avg post-interview rating
Highlights
Three pillars that replace your whole stack.
Resume Screening
Skim 500 CVs in 5 minutes.
Quark9 reads every resume, scores it against your JD on a 0–100 scale, and explains exactly why each candidate ranked where they did.
Live AI Interview
An interviewer who never sleeps.
Real-time AI-led video conversations with adaptive follow-ups, proctored sessions, and per-round scoring written back to your pipeline.
Offers in One Click
From shortlist to signed in days.
Generate Letter of Intent and Offer letters from templates, auto-attach interview feedback, and send for e-sign without leaving Quark9.
Features
Every step of hiring, automated.
Eight stacked capabilities. Scroll to roll through them — each card sticks while the next slides in over the top.
Step 01 of 08
Score every CV in seconds.
Quark9 reads every resume, scores skills, experience and education against your JD on a 0–100 scale, and writes a per-criterion rationale recruiters can actually defend.
- Auditable score rationale
- Auto-rank top 10
- Filter by location, experience, salary
Step 02 of 08
Live AI video interviews.
Real-time conversations with adaptive follow-ups, proctored end-to-end. Tab-switch detection, fullscreen lockdown, and 3-strike auto-end keep the integrity intact.
- Adaptive question flow
- Full proctoring
- Per-round score auto-writes back
Step 03 of 08
Aptitude & coding tests.
MCQ assessments and coding challenges with the same anti-cheat stack as the video interviews. Set passing scores, auto-shortlist on submission.
- Camera + fullscreen lockdown
- Copy/paste blocking
- Auto-shortlist by passing score
Step 04 of 08
One pipeline, every round.
See every candidate's resume score, aptitude score, R1, R2, and R3 scores in one row. Drag-drop stage updates, bulk schedule interviews, filter by job/round/location.
- Resume + per-round scores in one view
- Drag-and-drop stages
- Bulk scheduling
Step 05 of 08
Offers signed in one click.
Generate LOI and Offer letters from templates with the candidate's interview scores auto-attached. Send for e-sign without leaving Quark9.
- LOI + Offer templates
- Auto-attach interview feedback
- E-sign without context switching
Step 06 of 08
Bias-free by default.
Same rubric, same weights, same questions for every candidate at the same level. Recruiters see the rubric. Candidates get fair, repeatable evaluation.
- Published scoring rubric
- Same questions per role/level
- Auditable decision trail
Step 07 of 08
Hiring metrics that actually matter.
Time-to-fill, drop-off by round, source quality, candidate NPS, offer-to-join rate. One dashboard your CFO + Head of Talent both look at.
- Pipeline velocity
- Drop-off by round
- Source ROI
Step 08 of 08
Plug into your stack.
Native integrations for Greenhouse, Lever, Workday, BambooHR, Slack, and Google Calendar — plus a Zapier connector and webhooks for everything else.
- Native ATS integrations
- Slack + email notifications
- Webhooks + Zapier + REST API
Capabilities
Ten capabilities, one product.
Pick any pillar — Quark9 covers it. Hover to pause, click to jump.
Match every CV against your JD in seconds, with auditable score rationale.
Product tour
Built for the way modern teams actually hire.
Five screens, one platform. Scroll through the candidate journey from job posting to proctored interview.
01 · AI JD Builder
Describe the role. Get a polished JD.
Type a one-sentence brief and the AI writes the full job description — company info, role details, work mode, experience range, notice period. Edit any field inline before publishing.
- AI JD Generator side panel
- Auto-filled defaults per role family
- Custom departments and rubrics
02 · Pipeline
Every candidate, every round, on one screen.
Pipeline view shows resume score, all interview rounds, scheduled times, and stage progression. Click any round to see the AI's full evaluation.
- Drag-and-drop stage updates
- Bulk schedule interviews
- Filter by job, round, score, location
Senior Python Developer · Pipeline
Ethan Brooks
Sr Python · 6 yrs
Nathan Whitfield
Sr Python · 8 yrs
Sophie Hartwell
Sr Python · 5 yrs
03 · AI Video Interview
A live AI interviewer, every candidate.
Real-time video conversations with adaptive follow-ups. Camera-on, fullscreen-locked, every round auto-scored and written back to the pipeline.
- Adaptive question flow
- Live audio + transcript
- Score auto-written to pipeline
04 · Aptitude Test
MCQ + coding tests, proctored end-to-end.
MCQ rounds and coding challenges with a live proctor camera in the sidebar, question navigator, progress tracker, and anti-cheating built in.
- Live proctor camera
- Question navigator + flag-for-review
- Adaptive difficulty by role
05 · Lockdown
Cheat once, lose your seat.
Tab-switch, fullscreen exit, copy-paste — all detected, logged, and surfaced to the recruiter. After 3 strikes the session ends automatically.
- Full-screen lockdown
- Tab-switch + blur detection
- 3-strike auto-end with audit trail
Trust & Security
Built for the way enterprise teams already work.
Encrypted at rest, region-pinned, audit-logged. Quark9 plugs into your existing ATS, SSO, and SCIM provider — no rip-and-replace.
SOC 2 in progress
Security-first from day one.
GDPR · DPDP
EU + India data residency available.
200+ customers
From Series A to Fortune 500.
Trusted by recruiters
Recruiters love it.
Candidates do too.
Real teams, real numbers, real candidate NPS.
“Quark9 has been a game-changer. We cut screening time from days to hours, and the AI explains every score in language our hiring managers actually trust.”
Emma Bennett
Head of Talent · NorthPeak
“Post-interview NPS jumped 30 points. Candidates told us the AI felt less stressful than a panel.”
Marcus Holloway
VP People · Lumenflow
“Their team is highly responsive, and the proctoring caught two cases we'd have missed manually.”
Olivia Brennan
Engineering Recruiter · ByteForge
“We send the AI interview the same day a candidate applies. We close 3× more offers because we get there first.”
James Whitaker
CEO · Halcyon Labs
“The audit trail is what sold our compliance team. Every score, every rubric, every reviewer touch — logged.”
Catherine Ashford
Head of Recruiting Ops · Quanta Health
“It just works. Plug in the JD, send the link, get a ranked shortlist by morning.”
Henry Carlisle
CTO · Solstice Bank
“Quark9 isn't just faster — it's fairer. Same rubric for every candidate means our offer-to-join rate is up 22% because the people who join actually fit the role.”
Charlotte Pemberton
Chief People Officer · Indica AI
Pay for interviews, not seats.✨⭐️
No per-recruiter charges. No per-feature unlocks. Cancel anytime.
Starter
For founders running first 10 hires
Growth
For active teams hiring across roles
Enterprise
For talent orgs hiring at scale
FAQ
Common questions.
Stop reading resumes. Start hiring.
Set up your first AI interview in under 30 minutes. No credit card. Cancel anytime.