Technical Guides, System Design & Modern Code Patterns
sde.guide is a developer technical blog collection covering full-stack engineering across React, Next.js, Node.js, Express, PostgreSQL, MongoDB, Redis, Cloud, AI systems, and high-performance microservices.
What We Write & Deep Dive Into
In-depth engineering notes, performance optimizations, and architectural breakdowns.
Frontend Architecture
React 19 Server Components, Next.js 16 compiler optimizations, rendering patterns (CSR/SSR/ISR), state normalization, and Framer Motion.
Backend & Databases
Node.js/Express API design, PostgreSQL indexing, MongoDB aggregations, Redis caching strategies, and ORMs (Prisma, Mongoose).
Real-Time & APIs
WebSocket streaming, Socket.io event channels, Server-Sent Events (SSE), REST, GraphQL, gRPC, and webhook idempotency.
Cloud & AI Systems
Azure deployments, VPS/Nginx configuration, Docker containers, CI/CD pipelines, RAG vector pipelines, and Sentry observability.
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