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Notes on software development, cloud technologies, and AI — written while building real systems, not just reading about them.

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AWS

Giving Our HRMS Chatbot a Memory — Without Keeping It Forever

Using browser session storage instead of a database to keep chatbot conversation history alive during a session, then clearing it automatically at logout.

ChatbotsessionStorageFrontend

Aug 20, 20267 min read

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AWS

Modern Backend Communication with AWS AppSync and GraphQL

How AppSync and GraphQL replace traditional REST APIs with a single endpoint built on Queries and Mutations — and how Amplify provisions the backend for you.

AWSAppSyncGraphQL

Jun 22, 20264 min read

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Cloud & Serverless

Building a Scalable Notification System with AWS Amplify

Evolving an HRMS notification pipeline from a simple AppSync approach to an SQS-backed architecture — and what message queuing bought us in reliability and fault tolerance.

AWSAmplifySQS

Apr 16, 20264 min read

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Medical

The Invisible War: How Your Immune System Defends You Every Second

How the body's two defense lines work together — the innate system's immediate response to invaders, and the adaptive system's targeted, memory-building counterattack.

ImmunologyBiologyHealth

Mar 26, 20264 min read

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AWS

Why AWS is Important for Modern Application Development

AWS provides organizations with cost flexibility, scalability, high security, and global accessibility

AWSCost-efficientScalable

Mar 9, 20263 min read

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Cloud & Serverless

Server-Based vs Serverless Architecture

choosing the right architecture among traditional server-based architecture and serverless architecture - The best choice depends on the application’s needs.

CloudComputingServerlessAws

Mar 2, 20263 min read

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