Event-Driven Architecture: Decoupling Services With Events
An order fulfillment team at a mid-sized e-commerce company spent a full quarter untangling a…
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Rate Limiting Algorithms: Token Bucket vs Sliding Window
A weather app’s backend team once shipped a public API with no rate limiting at…
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Database Sharding: Scaling Writes Beyond a Single Server
A payments team at a mid-sized fintech company once watched their primary PostgreSQL instance hit…
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API Gateways: The Traffic Control Layer for Microservices
When Netflix moved from a monolithic architecture to hundreds of independently deployed microservices, it faced…
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CI/CD Pipelines: Automating Software Delivery at Scale
Etsy famously reached a point where its engineers deployed to production over fifty times a…
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Database Indexing Strategies That Improve Query Performance
A team running a Postgres-backed SaaS product once watched a dashboard query that had run…
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Idempotency in API Design and Why It Prevents Costly Errors
In 2015, an engineer at a payments company described a production incident where a mobile…
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Edge Computing: Bringing Processing Closer to the User
When Cloudflare rolled out its Workers platform, the pitch was not “faster serverless functions” in…
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How OAuth 2.0 Protects You Every Time You Click Sign In With Google
You’ve probably clicked “Sign in with Google” hundreds of times without thinking much about what…
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Observability vs Monitoring: What Engineering Teams Need to Know
When a checkout service at an e-commerce company starts failing for a subset of users…
