Guestbook Muktamar Al-Irsyad 2022
WhatsApp API QR Code Backend Next.js Self-Employed
Full-Stack Developer Freelance
• 2022 - 2024
An interactive guestbook platform integrated with WhatsApp API, a QR code reader, and scanner to streamline event registration and attendance tracking.
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My Role & Contributions
Architected real-time event platforms managing massive registration workflows, QR code access control, digital guestbooks, and live attendance reporting. The system successfully handled high-concurrency traffic during major events, including the national-scale 10000 Lengger Bicara (2024) and Muktamar Al Irsyad (2022).