Practice here.
Get hired here.
Real openings and real interview practice in one place - mock AI interviews, coding rounds and aptitude drills run in the same rooms companies use to hire.
Free to join. Welcome credits cover your first practice round.
The practice ground is open
Use everything here without applying to anything - the same rooms and tools real hiring rounds use.
AI mock interview
A full interview with follow-up questions and a scored report at the end.
Open itCoding & aptitude practice
Timed rounds with real problems and hidden test cases, like the ones companies run here.
Open itATS resume score
Upload a resume, get the same score an applicant tracking system would give it - and what to fix.
Open itResume builder
Clean, ATS-readable templates. Start from your old resume or from scratch.
Open itOne profile. Practice and real interviews.
- 1
Build once, apply anywhere
Upload a resume and we read it for you - your profile matches you to real openings, and every application gets an ATS score.
- 2
Practice like it's real
Mock AI interviews, timed coding rounds with hidden test cases, aptitude drills - scored instantly, with XP, streaks and a weekly leaderboard that make prep a habit.
- 3
Walk in already warmed up
Real hiring rounds run in the same rooms you practiced in - same editor, same format - and you get a scored report either way.
200+
companies hiring on Quark9
10,000+
candidates screened
30+
countries
4.8/5
average rating
From the blog
All articlesResume & ATS
What Is an ATS Score? How to Check and Improve Your Resume
An ATS score shows how well your resume matches a job description and how easily an Applicant Tracking System can read it. Learn how to check and improve yours.
6 min read
Interview Prep
What Is a Mock Interview? How It Can Help You Prepare for a Real Interview
A mock interview is a practice interview that helps you prepare for a real job interview - practice answering questions, improve communication, and build confidence.
5 min read
Career & Assessments
What Is a Career Aptitude Test? A Simple Guide for Students and Freshers
A career aptitude test helps you understand your strengths, abilities, and areas of interest - useful information when choosing a career or preparing for the job market.
5 min read
Your next interview can start tonight
Join free, warm up with a practice round on us, and apply to what's open - all from one profile.
Browse open jobs