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Kushagra Trivedi

@kushagratrvdJoined January 2026

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FrontEnd Web Development, Backend Development, Full Stack Development

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Web Dev Blogskushagrablogs.hashnode.dev60 posts

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KTKushagra Trivedikushagrablogs.hashnode.dev2d ago · 13 min read

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes

The moment you tap record You open Instagram, hit record on a Reel, dance around for fifteen seconds, and stop. Then — instead of posting right away — you tap out of the app to reply to a text. When y

KTKushagra Trivedikushagrablogs.hashnode.dev2d ago · 14 min read

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

The moment you hit airplane mode You're on a flight, the cabin door closes, you switch to airplane mode — and then someone texts you something important. Out of habit you open WhatsApp and type a repl

KTKushagra Trivedikushagrablogs.hashnode.dev2d ago · 11 min read

React Fundamentals: Components, JSX, State, and Re-rendering

Why did developers create React when JavaScript already existed? JavaScript could already manipulate web pages. You could select an element, change its text, toggle a class, respond to a click. So why

KTKushagra Trivedikushagrablogs.hashnode.dev2d ago · 13 min read

State Management: Context API, Prop Drilling, React.memo, useMemo, and useCallback

Why does managing state become difficult as applications grow? When you build your first React component, state feels simple. One component, a useState, some JSX. But the moment you need to share that

KTKushagra Trivedikushagrablogs.hashnode.dev2d ago · 14 min read

Securing Apps: Password Hashing, RBAC, OAuth, and OpenID Connect

How does a website know who you are? When you type your email and password into a login form and hit enter, a surprisingly complex set of decisions happens in the background. The server checks your id

Kushagra Trivedi

About

Available for

Kushagra Trivedi's blogs

Recently published

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

React Fundamentals: Components, JSX, State, and Re-rendering

State Management: Context API, Prop Drilling, React.memo, useMemo, and useCallback

Securing Apps: Password Hashing, RBAC, OAuth, and OpenID Connect

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Kushagra Trivedi

About

Available for

Kushagra Trivedi's blogs

Recently published

How Instagram Stores Reels, Photos, and Drafts Behind the Scenes

How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

React Fundamentals: Components, JSX, State, and Re-rendering

State Management: Context API, Prop Drilling, React.memo, useMemo, and useCallback

Securing Apps: Password Hashing, RBAC, OAuth, and OpenID Connect