Multi-Tenant SaaS System Architecture
Visual reference architecture for tenant isolation, routing, billing integration, and shared resources in modern SaaS.
Distributed Payment System Architecture & Ledger Design
High-reliability system design for payment processing, ledger consistency, and double-entry bookkeeping.
Enterprise Microservices Service Mesh & API Gateway Design
Service discovery, rate-limiting, authentication, and secure communications inside a container mesh.
AI Agentic Workflow & Retrieval-Augmented Generation (RAG) Architecture
Orchestration layer, vector database integration, cache layers, and agent memory management design.
Event-Driven Distributed Node.js Backend Architecture
Scaling Node.js apps to 100k+ concurrent requests using message brokers, Redis, and clustering.
Data-Level Multi-Tenant Database Isolation Strategies
Comparing database-per-tenant, schema-per-tenant, and shared-database isolation patterns in SQL databases.
