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![alexcooldev Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1591276020090671104.png) Alex Nguyen [@alexcooldev](/creator/twitter/alexcooldev) on x 31.7K followers
Created: 2025-07-09 14:49:11 UTC

The Tech Stack Behind My $19.7K/Month, 260K-User Product
Built solo. No team. Just me 😄
💻 Frontend
- Next.js
- TailwindCSS
- Shadcn UI
- React Query
- Zustand
- Magic UI
- React Flow

📱 Mobile
- React Native (Expo)
- NativeWind
- React Native Reusables
- React Native Reanimated

🛠 Backend
- HonoJS (refactor from NestJS)

🗄 Database
- Supabase

🔐 Authentication
- Supabase Auth

🏗 Infrastructure
- Railway (hosts both backend & frontend)
- Firebase (only for push notification)

🤖 AI Services
- OpenAI API (LLM, Vision)
- Deepinfra (TTS, STT, LLaMA)
- Anthropic API (LLM)

💳 Payments
- RevenueCat
- Lemon Squeezy

🖥 IDE
- Cursor AI
- Xcode (only for build IOS)

🧠 Language
- XXX% TypeScript, across frontend, backend, and mobile.

Clean. Fast. Scalable.
One language. One stack.
No unnecessary complexity.


XXXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1942959220229583026/c:line.svg)

**Related Topics**
[javascript](/topic/javascript)
[$197kmonth](/topic/$197kmonth)

[Post Link](https://x.com/alexcooldev/status/1942959220229583026)