1. Learn the concept
Every topic explained simply with real-world analogies and code — in English or Hinglish.
The shortcut that isn't a shortcut
Learn only what interviewers actually ask.
Every chapter takes 60–90 minutes— what’s actually used in production, not textbook filler. Concept, real-world problem, model answer. Then practise with an AI interviewer. English & Hinglish.
Certificates
Finish a chapter. Get a certificate with your name on it.
Complete every topic in a chapter and your certificate is issued instantly. No exam, no waiting. Download it, share it, and put it on your resume.
Chapter certificate
For every chapter you complete — Java Core, React Hooks, SQL and more.
Stack Mastery certificate
Complete every chapter in a track for the bigger one.
Anyone can verify it
Each certificate has a QR code and a public link at hirenix.in/verify.
Start learning — freeCertificates are included with Pro.
Verified credential
hirenix.in/verify/…
Choose your track
Pick a track and start preparing
⚛
MERN Stack
Full-stack web dev
10 chapters · 189 topics
Explore questions🤖
Gen AI
Build with LLMs
13 chapters · 191 topics
Explore questions☕
Java Backend
Core Java to Spring Boot
12 chapters · 214 topics
Explore questions🤝
HR Interview
The full HR round, question by question
1 chapter · 23 topics
Explore questions🌿
Git & GitHub
Every Git command that matters, run and explained
1 chapter · 22 topics
Explore questionsPrep guides
Day-wise plans and real interview questions
MERN stack interview ki taiyari — 30 din ka roadmap
Week-by-week plan: JavaScript, React, Node, Express, MongoDB, SQL.
React interview questions — 7 din ka plan
Day-wise clusters with short model answers you can actually say out loud.
JavaScript output questions — 15 snippets
Code chalega to kya print hoga? Har snippet ka exact output aur kyun.
Node.js interview questions for freshers
Event loop, async patterns, streams aur REST API — clusters me.
TCS / Infosys technical round me SQL
Real queries with sample tables and the output each one returns.
TCS & Infosys interview questions
HR aur technical round dono ka overview, fresher ke hisaab se.
Learn → Prove → Interview
2. Prove it with Q&A
Real interview questions with model answers, so you know exactly how to say it in the room.
3. Crack the mock
Practise with an AI interviewer and get instant feedback on every answer.
Ready to get interview-ready?
Create a free account and start learning in your language today.
Keep going