Developed a premium scheduling workflow utility, integrating advanced multi-timezone calendar hooks, drag-and-drop booking slots, and automated meeting notification triggers.
Global teams were experiencing scheduling conflicts and timezone mismatches when using generic calendar tools. Subscription costs for existing booking tools were scaling unsustainably.
Handling complex timezone calculations, daylight savings shifts, and concurrent booking locks to completely prevent double-booking issues.
We engineered Calendar Plus, a custom SaaS platform. Using Next.js, Prisma, and PostgreSQL, we implemented a custom booking engine that performs timezone offsets server-side. Real-time booking slots are synchronized with Google Calendar and Microsoft Outlook APIs.
User configures availability windows inside Next.js dashboard.
Client requests available slots; server calculates timezone differences in real-time.
Booking request locked atomically in PostgreSQL database using transaction pipelines.
Webhooks push events to Google / Outlook calendar platforms.
Automated emails and WhatsApp alerts dispatched via messaging cron loops.
Timezone Blueprinting: Outlined the logic for handling server-side UTC offsets.
API Synchronization: Integrated Google OAuth and calendar calendar sync bridges.
Concurrency Testing: Simulated simultaneous bookings to test database transaction blocks.
Notification Setup: Configured automated reminder pipelines.
Billing Integration: Set up Stripe subscription tiers and coupon codes.
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