The platform
Free to startno card
Learn anytime, at your pace
Start freeA placement story in four acts
Become the Engineer
Companies Want to Hire.
CodeStory combines structured engineering learning, real-world projects, AI-powered assessments, technical & HR interviews, and industry mentorship — taking you from learning to interview-ready.
- Act IDay 1 — printed 'Hello, World'
- Act IIProject shipped · repo public
- Act IIIMock panel #3 · cleared
Pvt. Ltd.Bengaluru
Offer of employment
Date:
Dear ,
Following your technical, system design and HR rounds, we are pleased to offer you the position of
Software Development Engineer
Annual CTC: ₹
Head of Engineering
Interview ready82/100- Act ILearn
- Act IIBuild
- Act IIIGet interviewed
- EpilogueGet hired
Students prepare for rounds atFAANG · MAANG · India’s top startups
Google
Meta
Amazon
Apple
Netflix- Microsoft
NVIDIA
Uber
Stripe
Goldman Sachs
Atlassian
Adobe
Salesforce- Razorpay
- Flipkart
- Zerodha
- CRED
- Swiggy
- Zomato
- PhonePe
The real problem
Learning was never the hard part. Being interviewed is.
Students who get rejected are rarely the ones who studied less. They are the ones who were never put in the room. Here is the distance nobody measures.
CodeStory is built for the right-hand column.
You finished the DSA playlist.
Explain your approach out loud, while typing, to someone who interrupts.
You solved 400 problems.
Solve one you have never seen, in 35 minutes, with no editorial to peek at.
You built a project from a tutorial.
Defend a design decision you made, and name the alternative you rejected.
You know what a load balancer is.
Draw the system, then answer what breaks first when traffic multiplies by ten.
You have a resume.
Survive six seconds of a recruiter scanning it against a keyword filter.
What CodeStory is
One system, four moves — learn, build, prove, get hired.
Not a course, not a question bank, not an interview tool. The four things a student needs, wired into each other so progress in one shows up in the next.
- 01Learn
Concepts taught as stories, not slide decks.
Every topic arrives as a narrative with a problem behind it, then hardens into drills. You remember why a heap exists, not just its API.
- 02Build
Real projects in a real editor.
A browser IDE that runs your code, not a fill-in-the-blank box. You ship working software and keep the repository afterwards.
- 03Prove
AI interviews that push back.
Spoken technical, system design and HR rounds that interrupt, follow up, and score you against the rubric a real panel uses.
- 04Get hired
A readiness score employers can read.
Every attempt feeds one number, broken down by axis, with the weakest one named. When it clears the bar, we put you in front of hiring partners.
Choose your door
Free online, live online, or on campus.
Online bootcamp
From ₹25,000DSA-only at ₹20,000
Evening, night or weekend batches
See the online batchOffline campus
By application20 seats a batch
Full-time, in person
Apply for a seatAct 02 — the wedgeMost students don't fail DSA.
Most students don't fail DSA.
The teaching method does.
Play with a real lesson right here. Pick a page, step through, or hit Play and watch the search collapse. No signup, no video — same engine that runs on the platform.
Binary0look-ups
vs
Linear6flips
RIYA, CSE 2ND YEAR
“Riya needs page 73. She doesn't flip one by one.”
binary_search.pyO(log n)
1def binary_search(pages, target):
2 lo, hi = 0, len(pages) - 1
3 while lo <= hi:
4 mid = (lo + hi) // 2
5 if pages[mid] < target:
6 lo = mid + 1
7 elif pages[mid] > target:
8 hi = mid - 1
9 else: return mid
Find page
Act 03 — interview tutorThe first mock interview
The first mock interview
that feels like the real one.
A human-trained AI avatar asks the question, listens to your answer, and tells you exactly where you'd lose the offer. Atlassian, Razorpay, Zoho — drilled down to the company.
mock_interview · maya LIVE
Maya · ex-Atlassian · SDE II
asks, listens, and scores every spoken answer · Behavioural + DSA
asks, listens, and scores every spoken answer · Behavioural + DSA
Question · 4 min
Given an array of integers, return indices of the two numbers that add up to a target. Walk me through your thinking.Pick your interviewer
14 AI interviewers. Each one trained on a different company's bar.
Act 04 — resume builderThe resume the recruiter
The resume the recruiter
actually opens.
CodeStory rewrites your resume against the exact JD you're applying to — quantifying your impact, killing the buzzwords, and passing the ATS on the first try. Watch the score move.
Riya Sharma
B.Tech CSE · 2026 · github.com/riya-s
EXPERIENCE
Software Engineering Intern · Razorpay
May 2025 — Jul 2025
- Worked on payments team and contributed to APIs.
- Was responsible for fixing bugs and adding features.
- Helped improve overall system performance.
PROJECTS
StreakLens — open-source habit tracker
- Built a habit tracker app with various features.
ats-readiness
0/100
BEFORE
·Keyword match · JD aligned11/20
·Quantified impact bullets1 of 6
·Action verbs (lead, ship, …)weak
·Buzzword / cliché densityhigh
·ATS parse · single columnbroken
·Length · 1 page rule1.8 pp
JD: Software Engineer · Atlassian Bengaluru11 fixes queued
Act 05 — interview platformThe whole stage,
The whole stage,
not just a question bank.
Real video panel. Real editor. Real timer. Real follow-ups. Every drill on CodeStory is a full 45-minute round — because that's what they'll put you through on the day.
codestory.app · mock_interview · Atlassian SDE-II28:14
RECMaya · senior engineer (AI)You
YOUMaya: Walk me through your approach before you start coding.
You: I'll use a hash map. As I iterate I check for the complement…
Maya: Good. What's the space cost?
two_sum.pynotes.mdcases.txtPython 3.11
1def two_sum(nums, target):
2 seen = {}
3 for i, n in enumerate(nums):
4 comp = target - n
5 if comp in seen:
6 return [seen[comp], i]
7 seen[n] = i
tests6 / 6 passing
LIVE SIGNAL
Technical depth0
Communication0
Edge-case thinking0
Code quality0
Time discipline0
FLAGGED MOMENTS
12:04You said "I think" 4 times in 90 seconds — hedging.
18:33Missed the empty-array edge case until Maya prompted.
22:10Strong: walked through complexity before coding.
Round 1 of 3 · CodingRound 2: System design · 45 minRound 3: Behavioural · 30 minEnd round →
45 min
Full-length rounds, just like the real thing
3
Interview rounds — theory · coding · HR
460+
Company-specific question banks
< 30s
From end-of-round to feedback report
The whole curriculum
From Hello, World to your first offer letter.
One arc, four chapters. Designed against the AICTE syllabus and the real questions Indian recruiters actually ask in 2026.
01
Foundations
Python · CS basics · Linux
18 stories · 420 questions
Built for first-years and switchers. No prerequisites; just curiosity.
02
Data structures
Arrays → Graphs → DP
42 stories · 2,100 questions
The lifeblood of every coding round. Each DS introduced through a story, drilled with company-tagged problems.
03
System design
Scalability · trade-offs · case studies
28 stories · 1,600 questions
For senior rounds. URL shorteners, rate limiters, chat apps — diagrammed, narrated, and quizzed.
04
Company prep
Real interviews · company-tuned drills
1,660+ company-tagged questions
460+ companies. The exact questions, the exact rubrics. Atlassian round 2 ≠ Razorpay round 2.
Act 06 — proof
Become our founding campus What's inside, in numbers. Real ones.
0
Animated story-lessons (new drops monthly)
0+
Company-tagged interview questions
0+
Companies with tuned question banks
0
AI interview rooms — theory · coding · HR
R
"The binary-search story makes you see the algorithm before you write it. That’s the difference between memorising LeetCode and owning the idea."
The CodeStory betIdea first · syntax secondExplain it → own it
Act 07 — product
Six modules. One story arc.
The wedge is the story-lesson. Everything else is the scaffolding that turns a "interesting tutorial" into "I got the offer."
★ The wedge
Animated story-lessons for DSA.
Every concept is a short film: a parcel route, a queue at the chai stall, a recursive Russian doll. The story makes it sticky; the code makes it real.
See it in actionEP. 14 · BUBBLE SORT · the queue at platform 1
Interview tutor
Mock interviews, company-tuned.
460+ companies. 1,660+ real interview questions.
Try a questionResume builder
A resume the ATS doesn't shred.
Auto-graded against real recruiter rubrics.
See sampleR_KEYWORDSmatch · 18/20
QUANTIFIED_IMPACTstrong
BUZZWORDScut 3
LENGTH1 page
Company prep
Practice the exact questions they actually ask.
Real interview data from 460+ companies, with programmatic pages per company.
Atlassian412 Qs
Razorpay287 Qs
Zoho604 Qs
Flipkart521 Qs
Microsoft1,204 Qs
Swiggy189 Qs
Stripe98 Qs
Postman76 Qs
Act 08 — for you
Three products under one roof.
For colleges
The placement-readiness dashboard your committee will quote at the next AICTE review.
A live cohort signal — who's interview-ready, who's drifting, who needs the tutor escalated. Built for placement officers, not engineers.
CSE · 3RD YEAR · 218 students● LIVE
JANFEBMARAPRMAYJUN
- → Cohort-level interview-readiness score
- → Pilot terms designed for procurement
- → Downloadable PDF brochure
For students
The thing your hostel senior wishes they had in 2nd year.
Story-based DSA, real mock interviews, an ATS-ready resume — designed for everyone, on every device.
21-day streakApr
- → 29 story-lessons · 1,900+ questions
- → Unlimited AI mock interviews
- → Resume builder + ATS audit
For schools & kids
A 1-on-1 AI buddy your child actually finishes a lesson with.
Story-based coding for ages 8–17. A friendly AI peer, a parent dashboard that shows real progress, and no ₹40k upfront.
A
V
K
- → 3 AI buddies, three age bands
- → Parent dashboard with weekly emails
- → Less than ₹500/mo · no live classes
From the early cohort
What students say when we ask them to be honest.
PriyaCSE 3rd year · Bhopal
May 2026“I had watched three playlists on binary search and still froze in mocks. The postman story stuck in one evening. In my next mock I explained it while coding — first time ever.”
AmanMechanical → SDE track
Jun 2026“Studying 9–11 pm after site work. The stories respect that — six minutes, one idea, then drills. No 40-minute lecture guilt.”
SnehaFinal year · Pune
Apr 2026“The readiness score told me I wasn't ready when I felt ready. That stung. It was also right — the system design axis was 40. Two weeks later it wasn't.”
RohanPlaced after 7 mock rounds
Jul 2026“The AI interviewer interrupted me mid-sentence with "what does that sort cost you?" My actual campus interviewer asked nearly the same thing. I smiled.”
IshitaCSE 2nd year · Indore
Jun 2026“Free plan is actually free. I did 3 mocks a week for a month before paying a rupee. Paid because the voice rounds are worth it, not because a timer ran out.”
KartikFull-stack track
Mar 2026“The IDE runs real code — my order-tracking project from here is the one I talked about in my internship interview. Not a to-do app. That mattered.”
Collected directly from students by the founders — no incentives, criticism kept in.
Founding cohort · limited seats
Your students are
already practising.
One 30-minute call, a live walkthrough on your projector, and a free pilot for one cohort. We bring the brochure.