I need someone to build a web app for the Square ePOS marketplace for shopowners for digital receipt

We are looking for a skilled **Full-Stack Developer** to build an app for the **Square ePOS Marketplace** that generates **QR code-based digital receipts** for new orders. The app will integrate with **Square ePOS APIs** and our backend to automate receipt generation and sharing.

#### **Responsibilities:**
- Develop and integrate the app with **Square ePOS APIs** to fetch order details.
- Implement **QR code-based digital receipts** for easy customer access.
- Ensure seamless synchronization with **Square transactions**.
- Optimize for **security, real-time updates, and scalability**.

#### **Requirements:**
- Strong experience with **Square ePOS API integration**.
- Proficiency in **Node.js (NestJS), React.js, Flutter/React Native**.
- Knowledge of **QR code generation, payment processing, and POS systems**.
- Experience deploying apps on **Square’s App Marketplace**.

#### **Project Scope:**
- **MVP in ~2 weeks** with iterative improvements.

If you have experience with **ePOS integrations and digital receipts**, apply now!