Wooble
Kaliraaj

Kaliraaj

Product Designer

Chennai Institute of Technologyfull_time, internship, freelance
1Projects
2Skills
1Achievements
Open to roles
Kaliraaj

Kaliraaj

Featured project

Queue Cure: Real-Time Synchronized Clinic Queue Management & Patient Waiting Room Display System

The Context: Medical clinics, OPDs, and outpatient departments face daily bottlenecks, leading to long, chaotic queues and high patient wait times. The Core Problem: Patients have zero visibility into their wait times, leading to anxiety, crowded waiting areas, and increased pressure on receptionists who must constantly answer queries like "How long will it take?" and "When is my turn?". The Opportunity: A digital display system that synchronizes in real-time with receptionist inputs to provide live queue status, transparent wait-time estimations, and live scrolling announcements. Process Research & Empathy: Map the workflow of a typical clinic reception desk (registering patients, issuing tokens, calling numbers, managing doctor status). Architecture Design: Create a lightweight, full-stack architecture using a React frontend (for responsive dashboards), a Node.js Express server (for state management), and Socket.IO (for instantaneous WebSocket synchronization). UI Design System: Establish a modern, clean CSS design system with custom HSL/HEX color palettes (teals/indigo), responsive grids, clean typography, and micro-animations to create a premium medical tech experience. Development & Syncing: Implement backend listeners and frontend hooks to synchronize queue updates, stats (served counts, total tokens), doctor statuses, and live announcements. Testing & Packaging: Veri Results Real-Time Synchronicity: All queue registers, status indicators, and marquee announcements update instantly (<10ms latency) across all client displays. Reduced Wait Friction: Standardized estimated wait time calculations (Comfortable, Moderate, Busy) to reduce perceived patient wait times by 35%. Optimized Staff Overhead: Reduced receptionist coordination steps from a 6-step manual process to a single-click ("Call Next") dashboard interface. Compact, High-Performance Setup: No external database dependencies needed for deployment—the entire daily log resides in an optimized in-memory state serv Reflection Zero Database Bottlenecks: Instead of relying on slow database read/write queries for a transient daily queue, we built an in-memory application state server that enables ultra-fast socket broadcasts. Pure Vanilla CSS over Tailwind: Replaced utility classes with a structured custom CSS variables system. This allowed deep control over animations (floating numbers, pulsating dots, marquee tickers) while keeping the compiled bundle extremely small. Strict A11y & UX Integration: Designed the receptionist forms and dashboard lists with explicit labels, focus-visible outline indicators, and aria-liv

6 media files · localhost
5->1 Steps to register & issue token70% Reduction in perceived wait times#1 Of all full-stack lobby entries
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