Ali Rehmanprojects/project-management-app
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Built a collaborative project management application designed for remote development teams. Features drag-and-drop kanban boards with real-time synchronization via WebSockets, threaded comments, file attachments (AWS S3), time tracking with reporting, Gantt chart views, and Sprint planning tools. The app supports workspace-level permissions, custom workflows, GitHub/GitLab integration for automatic task updates, and Slack notifications. Architected with a microservices approach — separate services for auth, projects, notifications, and file management — deployed on AWS with auto-scaling.
Synchronizing drag-and-drop board state across 20+ simultaneously connected clients without conflicts, and maintaining sub-100ms latency for real-time updates.
Implemented Conflict-free Replicated Data Types (CRDTs) for board state management, used Socket.io rooms for workspace-scoped events, and deployed WebSocket servers behind an AWS ALB with sticky sessions to maintain persistent connections.
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