34-Backend-Mastery

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Backend MasteryDistributed Systems & Node.js Internals

30 production engineering modules covering event loops, caching, queues, FinTech ledgers, cryptography, and multi-tenant SaaS.

Explore Architecture
Feature Inventory
Interview Q&A

Node.js Internals

Deep analysis of the libuv event loop, microtask execution, streams, and worker threads.

Distributed Systems

Redis caching strategies, BullMQ job queues, and Socket.IO horizontal clustering.

FinTech & Multi-Tenancy

Double-entry accounting ledgers and dynamic database connection pooling for SaaS.