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🏥 Online Hospital Platform (Internet Hospital)

Role: Senior Ruby on Rails Engineer
Company: Beikang Yizhong Medical Technology, Guangdong, China
Period: Dec 2021 – Nov 2022

1. 📝 Project Summary

A cloud-based telemedicine platform enabling:

  • Online patient registration & login
  • Appointment booking & payment
  • Real-time video consultation
  • Electronic prescriptions & medication purchasing

Integrated with hospital systems (HIS) and regulatory platforms under strict healthcare compliance.

Key Impact

  • ✅ Reduced hospital overcrowding & patient waiting times
  • ✅ Enabled remote consultations for patients at scale
  • ✅ Built a scalable, compliant architecture ready for future expansion

2. 🧭 User & Data Flow

Description: End-to-end patient journey from registration to follow-up, with external integration for HIS synchronization and regulatory compliance.

User Flow Diagram

3. 🏗 System Architecture

Core Components:

  • Web Application: React frontend + Rails API backend
  • Data Adaptation Service: Syncs & normalizes HIS data
  • Compliance Service: Chat archiving & regulatory reporting

Highlights:

  • 🔹 Async, decoupled architecture ensures system stability despite HIS intranet isolation
  • 🔹 Modular design allows scalability & easy maintenance

System Architecture Diagram

4. ⚡ Technical Challenges & Solutions

Challenge Solution
HIS system isolation Async adaptation layer with fully decoupled integration
Data model mismatch Data normalization & versioned synchronization strategies
Regulatory compliance Centralized audit and automated reporting workflows

5. 👨‍💻 My Responsibilities & Achievements

  • Led backend architecture & core module development, driving the project from concept to production
  • Independently gathered, reviewed, and consolidated extensive third-party documentation and requirements
  • Coordinated and communicated with hospitals and external vendors, both on-site and remotely, ensuring smooth integration
  • Designed HIS integration & asynchronous data pipelines for isolated intranet systems
  • Implemented Sidekiq-based asynchronous workflows for reliable background processing
  • Contributed to React frontend modules, ensuring a seamless end-to-end user experience
  • Delivered a stable, compliant system actively used in real hospital environments
  • Demonstrated full ownership, managing both technical execution and cross-party communication effectively
  • Key Strengths Highlighted: Independent development, cross-team coordination, technical leadership, and end-to-end project delivery