Blog & Insights
Engineering insights, best practices, and technology guides from the SIMA DigiTech team.
Designing a Scalable E-Commerce Checkout
Order state machines, idempotency, and reservation logic for a checkout that handles real payments.
E-Commerce Product Catalog Design
Modeling products, variants, categories, and attributes for a flexible, searchable catalog.
Order State Machines and Lifecycles
Model order lifecycles as explicit state machines to avoid impossible states and subtle bugs.
E-Commerce Database Design
A solid relational schema for products, orders, customers, and payments with correct constraints.
E-Commerce Caching Strategies
Cache catalogs, pricing, and pages without serving stale prices or stock to customers.
Handling Flash Sales and Traffic Spikes
Queueing, throttling, and cache-first patterns to survive sudden traffic spikes.
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