Customization of Bryntum Calendar for Appointment Scheduling Application (Angular Expert)

We are looking for an experienced Angular developer with strong expertise in Bryntum Scheduler/Calendar to help us implement specific customizations in our existing appointment booking application. The calendar is currently integrated and functional, but we need enhancements to better suit our business requirements. Please review the attached Video of reference application and our application, how we wish to do. Key Responsibilities: Analyze the current Bryntum Calendar setup within our application. Implement required customizations related to: - Appointment slot visualization and color-coding. - Display and handling of overlapping appointments. - Integration with backend APIs for dynamic data updates. - Custom tooltips, event pop-ups, and UI adjustments. - Ensure that all customizations are well-documented and compatible with future Bryntum updates. Required Skills: - Strong experience with JavaScript / TypeScript / React (or Angular/Vue). - Hands-on experience with Bryntum Scheduler or Calendar (mandatory). - Good understanding of REST APIs and frontend-backend integration. - Familiarity with appointment or resource scheduling systems is a plus. Project Details: The application is already live and stable. Backend APIs are available and maintained by our internal team. Timeline: within a week Please share: Examples of past work involving Bryntum Calendar or Scheduler. A brief outline of how you would approach this customization. Estimated timeline and fixed-rate cost.