Engineering journal
4 deep divesProduction lessons on backend architecture, system design, AI engineering, performance, and secure SaaS platforms.
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4 articles
Learn how to measure Node.js event loop delay and utilization, find CPU-bound code, distinguish I/O waits from blocking, and safely use worker threads in production.
A practical, measurement-first guide to reducing Node.js API latency with PostgreSQL query tuning, indexes, Redis caching, background jobs, and production observability.
Learn how to design a scalable RBAC system for enterprise SaaS, including permission models, database design, backend enforcement, multi-tenancy, caching, auditing, and security.
Learn how to build scalable AI features in Next.js using OpenAI, streaming responses, RAG, background jobs, vector databases, caching, and production best practices.