Web · 2025
Sertifikat Digital
Tamper-proof digital certificate generation & QR verification platform
- Role
- Fullstack Developer
- Duration
- 2 months
- Year
- 2025
- Status
- Completed
01Overview
Platform for issuing and verifying school digital certificates, letting students and outside institutions validate a document by scanning a QR code.
02Tech stack
- Laravel
- PHP
- MySQL
- Tailwind CSS
- TCPDF / Dompdf
03Key features
- Batch digital certificate PDF generation with dynamic name and serial code rendering
- Unique public verification URL linked via tamper-proof QR code
- Instant document authenticity check without requiring user login
- Administrative dashboard tracking issued certificates and revocation logs
04Challenges & solutions
Challenge
Generating hundreds of print-resolution PDF certificates without exhausting server memory.
Solution
Optimized vector-based HTML templates and processed the work in chunked server queues.
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