National Credentialing & Verification Platform
Contract Full-Stack Engineer
A national registry that verifies the credentials of professionals.
- Built the full stack: the frontend in plain JavaScript and Vite, and a backend made of ten Firebase Cloud Functions codebases.
- Built membership billing with Stripe, using webhooks to keep account status in sync with payments.
- Created digital credential passes for Apple Wallet and Google Wallet, plus a public page where anyone can verify a member.
- Built automated email and SMS reminders on scheduled functions, timed to each member’s time zone.
- Set up CI/CD with GitHub Actions running unit, integration and Playwright end-to-end tests, and production monitoring with alerts and uptime checks.
Private client project — available to discuss in interviews.