Just shipped a production serverless system on AWS, and it's live:
šØ RescueHacks Alert: a discreet emergency-alert system. Dial a USSD code and it instantly notifies your emergency contact via WhatsApp, no visible screen, no app needed, works on any GSM phone.
Stack: AWS Lambda, DynamoDB, API Gateway, EventBridge, SNS, Africa's Talking, WhatsApp Cloud API.
Video below shows the full build and a live demo at the end.
GitHub: https://github.com/alfredoeinsteino2024
If you need a serverless backend for USSD, SMS, or WhatsApp-based notifications, that's exactly what I build. Open to remote work. š
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Built a privacy-focused embedded payment terminal for small merchants in Nigeria using C and SDL2. Features zero-knowledge proofs on the Midnight Network, real-time QR code generation, and a multithreaded state machine with 8 screen flows. Connected to a Node.js backend via raw TCP sockets
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Built a privacy-focused embedded payment terminal for small merchants in Nigeria using C and SDL2. Features zero-knowledge proofs on the Midnight Network, real-time QR code generation, and a multithreaded state machine with 8 screen flows. Connected to a Node.js backend via raw TCP sockets.
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