A comprehensive collection of guides, patterns, and real-world architecture examples for building scalable systems.
We don't just write system design guides—we apply these exact distributed system patterns, rate limiting algorithms, and database sharding architectures to client SaaS MVPs and custom software tools.
Strategies to prevent abuse: Token Bucket, Sliding Window, and Redis implementations.
L4 vs L7 load balancing, algorithms, and high availability patterns.
Cache-aside, Write-through, and Eviction policies for performance.
Building resilient systems with Circuit Breakers, Retries, and Bulkheads.
When to use Polling vs Event-driven callbacks.
Evaluating architectural styles and decomposition patterns.
Asynchronous communication using message brokers and event sourcing.
System design guide for Consistent Hashing and data partitioning.
Evolution of system architecture from single server to millions of users.
Design a distributed unique ID generator.
Designing scalable permission systems for enterprise applications.
Stateless authentication using JSON Web Tokens and refresh flows.
Authentication, profile management, and account security.
Comparing stateful sessions with stateless token-based auth.
Implementing rate limiting, SSL, and authentication at the edge.
Zero-downtime migrations, schema evolution, and backfilling.
Horizontal partitioning, resharding, and distributed database design.
Design a scalable key-value store database.
Design a scalable and durable object storage system.
Design a high-throughput distributed message queue.
System design guide for a scalable Distributed Email Service.
Scalable push, email, and SMS delivery service.
Async processing for high-volume notification delivery.
Real-time messaging architecture using WebSockets.
Handling large file uploads, processing, and CDN delivery.
Real-time geospatial tracking for ride-sharing or delivery.
Handling reservations, concurrency, and double-booking prevention.
Recurring payments, dunning, and prorated billing logic.
High-consistency stock tracking for e-commerce.
Tracking and attributing user referrals at scale.
Design an ad click event aggregation system at scale.
Design a fast and scalable autocomplete search system (Typeahead).
Design a secure and consistent digital wallet payment system.
Design a real-time gaming leaderboard system using Redis.
Design a cloud file storage and synchronization service.
Design a location-based mapping and routing service.
Design a highly available hotel booking and reservation system.
Design a location-based social feature for discovering nearby users.
Design a highly scalable social media news feed architecture.
End-to-end design of a push, SMS, and email notification system.
Design a reliable and scalable payment processing gateway.
Design a scalable spatial indexing service like Yelp or Tinder.
Design a low-latency, high-throughput stock trading system.
Design a highly available URL shortening service like bit.ly.
Design a scalable and distributed web crawler system.
Design a distributed backlink monitoring system scaling to 100M edges.
Design a global video streaming platform.
Automating build, test, and deployment workflows.
Container orchestration and production deployment patterns.
Metrics collection, alerting, and dashboard visualization.
Centralized log aggregation (ELK/EFK stacks).
Strategies for data durability and business continuity.
Global content delivery and edge caching.
Designing scalable object storage systems.
Managing microservices traffic and observability.
Managing infrastructure using Terraform and GitOps.
Designing an admin panel for system operations and monitoring.
Design a high-scale metric collection and alerting service.
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