For students
Learn. Simulate. Quiz.
Tracks, simulators, mocks and a readiness score — the loop that takes you from “I watched a lecture” to “I can do this on a whiteboard”.
See the student productData Structures & AlgorithmsSQLGit & GitHubPythonREST API & Backend EngineeringSystem DesignCloud & DevOpsReactAI/ML FundamentalsMLOps & Production MLAI AgentsSoonGen AISoonQA & TestingSoonPlaywrightSoonData Structures & AlgorithmsSQLGit & GitHubPythonREST API & Backend EngineeringSystem DesignCloud & DevOpsReactAI/ML FundamentalsMLOps & Production MLAI AgentsSoonGen AISoonQA & TestingSoonPlaywrightSoon
By the numbers
What's actually in here
Not a teaser library. The same catalogue students open after they log in.
0+
Quiz questions
0+
Coding questions
0+
Aptitude questions
0+
Company interview Qs
0+
Simulators
0+
Video lectures
The gap
Curriculum taught you the definition.
Arrays as a list. SQL as SELECT *. Git as “upload to GitHub”. Enough to pass the internal exam. Not enough when a hiring manager asks why insert-at-zero is O(n).
- ✕ Theory without memory layout
- ✕ Labs without code review
- ✕ Projects without a brief
- ✕ Zero mocks that look like the real loop
What we teach
The job-ready layer.
Real-world analogies. Production notes. Simulators. Scorecards. Mentors who have hired people.
How we close it
Four things, in the order they matter.
People are involved in all of them. Not a video library with a chatbot taped on.
01
Live classes
Scheduled sessions with instructors, not a video library. Ask questions while you're stuck.
02
Industry tracks
SQL, AWS, Azure, React, Angular, backend systems. Chosen from what job posts actually ask for.
03
Real projects
Briefed like work, reviewed by mentors and peers. So you have something to describe in the room.
04
Mock interviews
With mentors and with peers. Every one ends in a scorecard you can act on.
The product
This is what students actually see
Real skill tracks, real progress bars, real lesson lists — taken from the live Learn section, not a generic course-player mockup.
Learn like production, not like a textbook
Skill tracks, lectures, live classes, notes, and learning paths. Every node has a real-world analogy and a production note — because interviews reward people who know why it matters.
- Skill tracks
- Lectures
- Live classes
- Notes & resources
- Learning paths
Search lectures, problems, quizzes…
LVL 28 · 2,840 XP 14-day streakPK
← Back to Data Structures & Algorithms Path
1
Learn2
Simulate3
Quiz[··]
Beginner20 mins+80 XPNode 01 of 18
Arrays & Memory Layout
Fixed-size, index-addressed memory — the base every other structure builds on.
💡 Real-world analogy
Sequentially numbered mailboxes. You never search door-to-door — you walk straight to Box #4 because you already know its position.
Ready to see it in action?
Watch memory addresses update live.
Build your own array, step through operations, and feel the shift penalty instead of memorising Big-O from a slide.
Interactive array simulator
Build your own array, step through operations, watch memory addresses update live.
address = 0x7ffe1000 + (0 × 4) = 0x7ffe1000
Random access · O(1) · walked straight to index 0
O(1)length 5/8word size 4B
Learning paths
Build in-demand skills
Real subjects from the actual product — not a generic list.
Interview core
Data Structures & Algorithms
Fixed-size, index-addressed memory — the base every other structure builds on. Then trees, graphs, DP, and the patterns companies actually ask.
18 nodes · 42 hrs · +1420 XP
Data jobs
SQL
The language every backend, data, and analytics interview still opens with. Joins, windows, and query plans — not just SELECT *.
14 nodes · 18 hrs · +880 XP
Team ready
Git & GitHub
The difference between a student project and something a team can ship. Branching, PRs, rebase, and the incidents you'll cause if you skip this.
10 nodes · 8 hrs · +420 XP
Foundation
Python
The language of interviews, scripting, data, and a surprising amount of backend. Idiomatic Python — not just the syntax your lab used.
16 nodes · 24 hrs · +960 XP
Job ready
REST API & Backend Engineering
Auth, pagination, idempotency, and the 14 ways a naive CRUD API fails in production. The track job posts actually filter on.
16 nodes · 28 hrs · +1180 XP
Senior signal
System Design
Capacity, trade-offs, and the diagrams that get you past the 'design Instagram' round — taught as decisions, not decorations.
12 nodes · 20 hrs · +1040 XP
Ships to prod
Cloud & DevOps
AWS, Azure, CI/CD, containers, and the ops instincts that keep a service up after you merge.
14 nodes · 22 hrs · +980 XP
Frontend jobs
React
Components, state, effects, and the performance instincts that keep a UI honest. The library most product teams still hire for.
14 nodes · 20 hrs · +920 XP
New stack
AI/ML Fundamentals
The math you actually need, the models companies fine-tune, and the evaluation that stops you shipping a confident wrong answer.
16 nodes · 30 hrs · +1260 XP
Ships models
MLOps & Production ML
Training is the easy part. This track is everything after: versioning, serving, drift, and the on-call for a model.
12 nodes · 18 hrs · +890 XP
Coming soon
AI Agents
Tool-calling, memory, planning loops and multi-agent orchestration — building software that takes actions, not just answers.
Notify me when it drops
Coming soon
Gen AI
Prompting, RAG, fine-tuning and the eval discipline behind every 'we added AI to the product' feature.
Notify me when it drops
Coming soon
QA & Testing
Test pyramids, flaky-test triage and the coverage discipline that stops 'it worked on my machine' from reaching prod.
Notify me when it drops
Coming soon
Playwright
Browser automation that doesn't flake: selectors, network mocking, visual diffs, and CI runs across every browser engine.
Notify me when it drops
Prestige & Readiness
Know exactly how ready you are.
Five verified engineering pillars, updated every time you complete a node, test memory allocations, or deploy to production.
Level up from Script Marauder all the way to Zero-Day Deity. Click the badge to explore the entire Dev Rank Matrix.
MythicLVL 75 - 85
🌌LVL 75
Void Architect
Distributed Systems Deity
XP BOOST7,640 XP
+1,160 XP → Stack Overlord
Explore Rank Matrix · 20/42 badges
5-Pillar Telemetry BreakdownOVERALL: 71/100 (READINESS SCORE)
Fundamentals78 / 100
Aptitude & communication64 / 100
Industry skills71 / 100
Projects58 / 100
Interview performance69 / 100
Shareable with College TPOs & Tech RecruitersVERIFIED 2026 ↗
Achievement vault
Collect badges by shipping real engineering work.
⚡First Blood+50 XP UNLOCKED
🧬Compile Clean+60 XP UNLOCKED
🐣Escape Tutorial Hell+80 XP UNLOCKED
⚡O(1) Speedrunner+100 XP UNLOCKED
🥢Two-Pointer Tuesdays+120 XP UNLOCKED
📝Readme Riser+60 XP UNLOCKED
🧭Baseline+70 XP UNLOCKED
🙈No Ctrl+C+90 XP UNLOCKED
🛡️Memory Reaper+180 XP UNLOCKED
Tap any rank badge to open the full matrix — 12 tiers, 42 badges, six rarity classes.
For colleges & institutions
A live view of cohort readiness
Track progress, spot skill gaps early, and see the same readiness score every student already sees on their dashboard.
For placement cells
For training partners & resellers
Run your own cohort on our platform
Bulk-upload a roster, release content on your training pace, and bill only for active students — we run the platform, you run the program.
From the cohort
What it feels like from the inside
Students who used the same Learn → Simulate → Quiz loop you just previewed.
“College taught me what an array is. PreCompilers made me explain cache locality in a mock and then do Kadane's without panicking. Unlocking the Pointer Phantom badge felt like getting a game achievement that actually pays my bills.”
Ananya Reddy
Placed · SDE intern, Bengaluru · CBIT Hyderabad
“The SQL track is brutal in a good way. Window functions finally clicked when the production note showed a dashboard timing out. Hitting Kernel Archon status made my resume stand out immediately to startup founders.”
Rohit Kulkarni
Placed · Backend intern · VIT Pune
“I liked that it doesn't pretend. No 'guaranteed package'. Just a live dev environment, an autonomous agent sandbox, and a rank progression that shows recruiters I know how to push code to prod on day one.”
Meera Iyer
Final year · On-campus prep · NIT Trichy
Pricing
Pick what you need
Every tier builds on the one before it. Cancel or switch anytime.
Practice
Build the fundamentals
₹249/month
Billed monthly · + GST
Get Practice- Unlimited coding practice problems
- Full-length aptitude test papers
- Quiz-based skill checks
- Progress tracking
- Readiness score (basics)
Most popular
+ Learn
Structured tracks and lectures
₹499/month
Billed monthly · + GST
Get + Learn- Everything in Practice
- Full video lecture library across all tracks
- Downloadable notes per track
- Structured learning paths
- Interactive simulators
- XP, streaks and ranks
+ Career
Mentors, mocks, and projects
₹999/month
Billed monthly · + GST
Get + Career- Everything in + Learn
- Live classes with instructors
- Mock interviews with scorecards
- Real projects, reviewed
- Resume and career reviews
- Priority mentor access
Questions
Straight answers
No. Your degree gets you the interview. PreCompilers covers the job-ready layer most curricula skip — DSA as it's asked, SQL as it's written, Git as teams use it, mocks as companies run them.
Next →
Ready when the shortlist goes up.
Create a free account. Open Arrays & Memory Layout. Launch the simulator. That's the whole onboarding.