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@amirtaherkhani

amir taherkhani

@amirtaherkhani·Berlin, Germany·Joined October 2026

Sharing what I learn and build in software, AI, and automation.

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uilding useful tools and sharing practical lessons in technology. Exploring software, engineering, and AI through real projects.

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amir taherkhani's blogs

NestJS Skillsnestjs-skills.hashnode.dev2 posts

About

uilding useful tools and sharing practical lessons in technology. Exploring software, engineering, and AI through real projects.

Available for

Nothing here yet.

amir taherkhani's blogs

NestJS Skillsnestjs-skills.hashnode.dev2 posts

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ATamir taherkhaniinnestjs-skills.hashnode.dev·1d ago · 5 min read

Strategy Pattern in TypeScript and NestJS: A Delivery Quote Example

The Strategy pattern gives one operation several interchangeable implementations. A caller asks for a delivery quote; a selected pricing policy calculates it. The caller does not need to know the poli

ATamir taherkhaniinnestjs-skills.hashnode.dev·1d ago · 8 min read

Finding a Business-Rule Bypass in a NestJS Module

A wallet starts with a balance of 100. A checkout endpoint rejects a charge of 150. A bulk-charge endpoint accepts the same amount and leaves the balance at -50. Both endpoints belong to the same Nest