Coders Crushby Napplied AI
FAANG/MAANG Interview Preparation Platform

Crush Your Tech InterviewsWith Confidence

100+ System Design problems, 100+ DSA challenges, and a community-driven Problems Arena. From fundamentals to expert-level architecture.

100+ System Design
100+ DSA Problems
100+ Arena Challenges

23+

System Design

32+

DSA Problems

88+

Arena Challenges

8+

Categories

Three Pillars of Interview Success

Master all aspects of technical interviews with our comprehensive preparation platform.

System Design

100+ problems from FAANG companies. Design scalable systems like URL shorteners, Netflix, and Uber.

Data Structures & Algorithms

100+ curated problems from LeetCode. Master DP, graphs, trees, and more with detailed solutions.

Problems Arena

Community-driven challenges. Solve interesting problems and contribute your own. No solutions shown!

System Design Categories

Explore problems organized by domain to focus your preparation.

Data Storage
Database design, caching, and data management
Distributed Systems
Scalability, consistency, and fault tolerance
E-commerce & Payments
Online stores, transactions, and financial systems
Fundamentals
Core system design concepts and principles
Infrastructure
DevOps, deployment, and platform engineering
Real-time Systems
Messaging, streaming, and live updates
Search & Discovery
Search engines, recommendations, and ranking
Social & Media
Social networks, content platforms, and feeds

Featured Problems

Start with these popular system design interview questions.

Design a Platform Engineering Strategy
expert
Infrastructure
Design an internal developer platform strategy to improve developer productivity and standardize infrastructure across 50+ engineering teams.
60 min
platform-engineeringdevopsinfrastructuredeveloper-experience
Design a Technical Debt Management System
expert
Fundamentals
As an Engineering Manager, design a system to identify, prioritize, and systematically address technical debt across your organization.
45 min
technical-debtengineering-managementprioritizationmetrics
Design an SLO-based Reliability Program
expert
Infrastructure
Design a reliability program using SLOs (Service Level Objectives) to balance feature velocity with system stability.
45 min
srereliabilitysloobservability
Design an Architecture Decision Framework
expert
Fundamentals
As a Software Architect, design a framework for making and documenting architectural decisions across multiple teams.
45 min
architecturegovernancedocumentationleadership
Design a Large-Scale System Migration
expert
Distributed Systems
Design a strategy to migrate a monolithic system serving 10M users to microservices with zero downtime.
60 min
migrationmonolithmicroservicesstrangler-fig
Design an Engineering Organization Structure
expert
Fundamentals
Design an organizational structure for scaling an engineering team from 20 to 200 engineers while maintaining velocity.
45 min
organizationteam-topologiesscalingmanagement

Ready to Level Up Your Career?

Explore curated learning paths for Software Architects and Engineering Managers. Deep dive into architectural decisions, team leadership, and organizational design.

Built with v0