Latest posts
Jul 28, 2026
How I use DDD and CQRS in backend projects
DDD and CQRS are useful not as folder structures, but as a way to keep business logic visible through commands, rules, states and events.
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Jul 28, 2026
Node.js Event Loop: how I think about it in practice
The event loop matters not only for interviews, but for understanding latency, blocking code, queues, timers, Promise microtasks and backend behavior under load.
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Jul 28, 2026
Event loop lag in Node.js: why an API is slow even when the database is fine
Event loop lag helps explain latency that is not caused by a slow database: CPU-bound code, heavy serialization, sync APIs and long microtask chains.
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