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Engineering notes

Architecture and delivery topics grounded in production patterns.

Retail checkout counter representing e-commerce order flow

Architecture · 8 min · 2026-07-01

Designing a Scalable E-commerce Architecture

Practical boundaries for catalog, cart, inventory, payments and order state in Node.js systems.

Laptop showing analytics charts for CRM-driven commerce

Product Engineering · 7 min · 2026-07-08

Building a CRM-Controlled E-commerce Platform

How a shared API can power storefront, CRM and media workflows without duplicating business logic.

Smartphone messaging interface representing real-time chat

Real-time · 9 min · 2026-07-15

Building Real-time Chat with Socket.IO and Redis

Presence, fan-out and reconnect strategies that keep chat usable under load.

Code on a monitor representing secure API engineering

Backend · 6 min · 2026-07-22

Secure REST APIs with Node.js

Validation, auth boundaries, rate limits and safe error responses for production APIs.

Database server hardware representing data storage choices

Data · 7 min · 2026-07-29

MongoDB vs PostgreSQL for E-commerce

When document flexibility helps — and when relational constraints protect inventory.

Warehouse inventory boxes representing stock management

E-commerce · 8 min · 2026-08-05

Designing Cart and Inventory Systems

Reservation windows, oversell prevention and cart expiry without painful edge cases.

Person completing a mobile payment representing checkout

Architecture · 8 min · 2026-08-12

Payment → Order → Shipment Architecture

Idempotent payment confirmation and clean handoff into fulfillment.

Container and cloud deployment concept for Node.js apps

DevOps · 6 min · 2026-08-18

Production Deployment for Node.js Applications

Process managers, reverse proxies, zero-downtime habits and basic observability.

Server infrastructure representing caching and performance

Backend · 7 min · 2026-08-22

Redis Caching Patterns That Survive Production

TTL strategy, stampede control, and when not to cache — lessons from real APIs.

Admin dashboard representing role-based access control

Backend · 7 min · 2026-08-24

RBAC Patterns That Scale in SaaS Admin Apps

Role graphs, resource scopes, and where authorization belongs in the request path.

Monitoring and deployment dashboards for APIs

DevOps · 6 min · 2026-08-25

Observability Basics for Node.js APIs

Structured logs, request IDs, and the few metrics that catch outages early.

Modern web application UI representing Next.js architecture

Frontend · 7 min · 2026-08-26

App Router Boundaries That Stay Maintainable

Server components, data fetching, and where client interactivity should stop.

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