Every problem is a system design interview question used by top tech companies. Draw your solution on an interactive canvas and receive instant AI feedback.
Ask in your own words. Atlas pulls real problems, courses, blogs, and your progress—then answers with diagrams, quizzes, and reviews that match how you actually work.
From real-time diagram critiques to curated engineering dossiers, explore the intelligent capabilities designed to accelerate your system design mastery.
Real stats: profile, credits, tier, weekly rank, problems solved, and courses—in one place.
Each course is broken into digestible chapters with real-world examples. Read at your own pace, then ask the AI tutor any questions about the concepts.
Build intuition by drawing and iterating—not by passively consuming content.
Reading blog posts and watching YouTube videos feels productive but creates an illusion of understanding.
You forget most of passively consumed content within a week. When the interviewer says “design Twitter,” the gap shows up fast.
Drawing architectures and receiving targeted AI feedback builds real engineering intuition.
Sketch topologies, find bottlenecks, and iterate—so the same patterns you practice are the ones you rely on in interviews.
From interactive canvas tools to AI-powered feedback - every feature is designed to accelerate your journey from junior developer to senior architect.
Get instant, detailed feedback on your system diagrams. Our AI analyzes every node and connection to identify potential bottlenecks in scalability and reliability.
Stress-test your architectures by simulating thousands of concurrent users. Visualize data flow and identify points of failure.
Access a library of production-ready patterns for sharding, CDN caching, and microservices.
Learn complex concepts with an AI tutor that understands exactly what you are building.
A high-performance drag-and-drop interface built specifically for engineers.
Real signals from engineers who use Scalcraft to prepare for system design—not vanity metrics.
0K+
Practice prompts completed on Scalcraft—each one tied to real interview rubrics.
0%
Of weekly active learners say they feel more prepared for design interviews.
0 min
Average focused session length while you sketch systems and iterate with AI feedback.
No card required to begin. Upgrade when you want unlimited reviews, courses, and exports—all prices in INR.
Billed monthly · INR
Ideal for individuals getting started with system design practice.
What's included
Serious interview prep with unlimited reviews and full courses.
What's included
Steady practice with guided reviews and the full problem library.
What's included
The AI review is ruthless — it found a race condition in my database topology that three human interviewers completely missed. This tool genuinely made me a better architect.
Everything you need to know about our system design learning platform.
Starting free · Pro from $19/mo
Start on the free tier with the interactive canvas and curated problems. Upgrade when you want unlimited AI reviews, full courses, and exports—no guesswork on what to practice next.