Engineering Insights & Technology Analysis

Articles

• Why We Replaced 14 Microservices with a Modular Monolith (And Saved $18,000/Month) — How moving away from distributed microservice sprawl back to a clean Go & TypeScript modular monolith cut P99 latency by 88% and eliminated distributed transaction failures.
• The Practical PostgreSQL Tuning Guide: Fixing Slow Queries, Connection Pools & Vacuum Bloat — Before you upgrade your AWS RDS instance or migrate to NoSQL, 95% of database bottlenecks come down to missing composite indexes, unconfigured connection pooling, and mismanaged autovacuum settings.
• Zero-Downtime Deployments in Production: Kubernetes Rolling Updates, Ingress & Database Migrations — A concrete engineering blueprint to eliminate 502 Bad Gateway glitches, manage graceful pod shutdowns, and execute safe zero-downtime database schema migrations.
• Hardening REST & GraphQL APIs: Enterprise IT Security Beyond Simple JWT Tokens — Storing JWTs in localStorage and relying on basic CORS leaves modern APIs exposed to IDOR, token exfiltration, and credential stuffing. Here is how modern IT security architectures prevent breaches.