$ ls -la /posts
total: 9 (tag #system-design)
$ open windows.mode
How Video Streaming Works: The Hidden System Behind YouTube and Netflix
Why clicking Play on a 2-hour movie starts in seconds—not minutes—and the distributed engineering behind it.
Handling Failures in Microservices Systems
How timeout, retries, circuit breakers, and fallback patterns keep distributed systems running when everything goes wrong.
How Enterprise Applications Delegate User Access Across Services
Understanding identity propagation and authorization in distributed systems
How Social Media Platforms Handle Large File Uploads Without Breaking Their Servers
Real-world architecture patterns for handling multi-gigabyte uploads without server meltdown.
Stateless vs Stateful Applications
Understanding how state placement shapes system scalability, resilience, and operational complexity in modern software architecture.
How Credit Card Payment Systems Work
A deep technical exploration of the credit card payment ecosystem, from authorization to settlement, explaining the architecture behind billions of daily transactions.

Black Friday Architecture and System Design for Large-Scale E-commerce
How modern e-commerce platforms survive extreme traffic through correctness-first design, not just scaling.

Queue Data Structure - Scheduling Your Tasks
Understanding how Queue works as both a computer science concept and a mental model for task scheduling in modern systems.

API Gateway Design and Key Components
Understanding how API Gateways shape modern distributed systems.