QR Code Generator | Serverless Web Application (AWS)

Built a fully serverless QR code generator that converts any URL into a downloadable QR image using modern cloud architecture.

Key highlights:

Developed a backend API using AWS Lambda (Node.js) to dynamically generate QR codes

Integrated API Gateway to expose a public REST endpoint with proper CORS and binary image handling

Implemented PNG QR generation using efficient in-memory processing (no storage required)

Deployed a responsive frontend using AWS Amplify and React

Connected frontend and backend using Axios with binary image handling

Enabled caching headers for performance and cost optimization

Designed for scalability, low latency, and zero server management

Видео QR Code Generator | Serverless Web Application (AWS) канала Learn with techno