Showing 4 of 4 articles
Software Architecture & Scaling · 7 min read
4 months ago
We Thought Microservices Would Scale Us Faster. Instead, It Slowed the Team and Burned Money
Microservices sounded like the right move. Everyone was doing it. Six months later, delivery slowed, costs went up, and simple bugs took days to trace. Here’s what actually went wrong and how we fixed it without blowing up the product.
engineering decisionssaas infrastructurebackend scalability+2 more
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Backend Engineering · 15 min read
6 months ago
Our Cache Made the App Slower. The Redis Cache Mistake I’ll Never Repeat
We added caching to speed things up. Latency dropped, then quietly got worse. This is a real production bug breakdown of how a Redis cache invalidation mistake slowed critical pages and how I fixed it without rewriting the backend.
backend scalabilityperformance optimizationredis mistake+3 more
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Database Engineering · 12 min read
6 months ago
A Single Missing Database Index Took Our App from 120ms to 4.8s. Here’s How I Found It
This database performance issue didn’t look like a typical failure. There were no crashes, no alerts, and no obvious slow query warnings. Locally, everything felt fast, masking the missing database index that only impacted production. As traffic increased, query performance degraded, leading to rising latency and unpredictable response times. This is exactly how hidden indexing issues silently turn into major production bottlenecks.
backend scalabilitysqldatabase optimization+4 more
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Backend Engineering · 8 min read
7 months ago
Fast in Dev, Slow API in Production: Fixing Your API
Your API feels instant on your laptop, then crawls the moment real users arrive. This beginner friendly tutorial explains why a fast API becomes a slow API in production, and walks you step by step through the fixes in PHP, Postgres, and the frontend.
backend scalabilitybackend architecturescalable systems+9 more
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