Project

Calendar Planner

A collaborative, role-based calendar system with timeline visualizations, task management, and team synchronization.

Frontend EngineerTeam 56 months

Overview

Designed and developed a calendar planner supporting multiple organizational hierarchies and user roles such as super-admin, admin, and user. Enabled real-time scheduling and coordination across teams using WebSockets and live event feeds.

Implemented a timeline-based visualization using React Calendar Timeline with drag-and-drop task management and recurring event automation.

Developed custom permission models for shared calendar editing, allowing granular control over event visibility, participation, and modification privileges.

Introduced offline-first capabilities with PouchDB and local caching, allowing seamless task management even in unstable network conditions.

Added data export tools (CSV/iCal) and built-in analytics to track productivity trends and user engagement.

1
Interactive timeline visualization with drag-and-drop scheduling
2
Real-time updates through WebSocket integration
3
Offline-ready with automatic background sync
4
Advanced permission roles and shared calendar visibility
5
Event export support (CSV/iCal)

Responsibilities

  • Developed dynamic timeline and task management UI.
  • Built real-time synchronization logic and concurrency handling.
  • Optimized calendar rendering performance for 10,000+ events per view.
  • Implemented organization-based role management and multi-calendar sharing.

Impact & Metrics

Users
Performance
Reliability
Adopted by multiple corporate teams for distributed scheduling and project management.

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