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SKShubham Kumar Singhblog.realdev.clubJun 13 · 47 min read

Building a Mini Centralized Exchange (CEX) with Bun, TypeScript, Redis, and PostgreSQL

Functional Requirements of a Centralized Exchange Before implementing the matching engine, let's understand how a real centralized exchange works and what functionality we need to support. What is a C

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SKShubham Kumar Singhblog.realdev.clubJun 4 · 39 min read

Building a Paytm-Style Payments Frontend with React, TanStack Router, React Query, and Shadcn UI

Prerequisites Before building the frontend application, I already created the backend for this project. The backend is a Paytm-style payment system built with Bun, TypeScript, Express, MongoDB, JWT au

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SKShubham Kumar Singhblog.realdev.clubJun 1 · 35 min read

Building a Paytm-Style Payments Backend with Bun, TypeScript, Express & MongoDB Transaction

Digital wallets have become a part of everyday life. We transfer money to friends. We split bills. We pay merchants. We check balances before making payments. But behind every wallet application lies

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ARAtul Rajputeatulrajput.hashnode.devMay 12 · 7 min read

npm , yarn, pnpm and bun

A software package is a collection of files that are bundled together and can be installed and removed as a group. A package manager keeps track of what software is installed on your computer and allo

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AWAlan Westalan-west.hashnode.devMay 11 · 6 min read

Bun, Zig, and Rust: What the Rewrite Rumor Means for Your Stack

A surprising headline (with caveats) Last week a tweet from Jarred Sumner — Bun's creator — made the rounds claiming a Zig-to-Rust rewrite is passing 99.8% of the testsuite. I haven't been able to independently verify this through Bun's official rele...

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CCChetan Chauhanchetan71.hashnode.devMay 5 · 14 min read

npm vs pnpm vs Bun: The JavaScript Package Manager Guide You Actually Need

You open a new project, someone says "just run npm install" and you do it without thinking. A minute later you have a node_modules folder that's 300MB for a project with five dependencies. You've been

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ASAnurag Sharmaanurag56.hashnode.devMay 5 · 6 min read

Node.js vs Bun: The Honest Comparison Nobody Writes

By Anurag Sharma · Full-Stack Developer · 10 min read Let me tell you what every Node.js vs Bun article gets wrong. They open with a benchmark. Bun starts in 5ms. Node starts in 50ms. Bun serves 10,00

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Vvitaliivitalii-nosov.hashnode.devApr 25 · 9 min read

From Netdata Inspiration to SaaS MVP: Server Monitoring with Bun + Claude Code Opus 4.6

If you've ever set up Netdata, you know that feeling — hundreds of real-time charts, per-second granularity, metrics you didn't even know your kernel exposed. It's a wonderful piece of software, genui

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ABAkshat Bhuhagalaxat.hashnode.devApr 11 · 4 min read

Stop Wasting 50K Tokens Per Conversation & Pre-Index Your Codebase for AI Assistants

The Problem If you use AI coding assistants, Claude Code, Cursor, GitHub Copilot, Gemini, you've hit this wall: every new conversation starts with the AI re-reading your source files to understand the

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AWAlan Westalan-west.hashnode.devApr 1 · 5 min read

We Moved Our API from Node to Bun. Here's What Broke (and What Got 3x Faster).

A 14-Second Build Dropped to 3 Seconds, Then Everything Else Went Wrong Six months ago, our API was a standard Express + TypeScript setup running on Node.js 22. It worked fine. Builds were slow, cold starts were sluggish, and our CI pipeline took 8 m...

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Trending tags this week

Building a Mini Centralized Exchange (CEX) with Bun, TypeScript, Redis, and PostgreSQL

Building a Paytm-Style Payments Frontend with React, TanStack Router, React Query, and Shadcn UI

Building a Paytm-Style Payments Backend with Bun, TypeScript, Express & MongoDB Transaction

npm , yarn, pnpm and bun

Bun, Zig, and Rust: What the Rewrite Rumor Means for Your Stack

npm vs pnpm vs Bun: The JavaScript Package Manager Guide You Actually Need

Node.js vs Bun: The Honest Comparison Nobody Writes

From Netdata Inspiration to SaaS MVP: Server Monitoring with Bun + Claude Code Opus 4.6

Stop Wasting 50K Tokens Per Conversation & Pre-Index Your Codebase for AI Assistants

We Moved Our API from Node to Bun. Here's What Broke (and What Got 3x Faster).