Andrew Nguyen
Full-stack engineer in construction-tech — web apps, data pipelines and AI document processing, from React on the front to .NET and AWS behind it.
Document Management System
Document tracking & approvals
A centralized system for managing, tracking, and storing documents, designed to streamline document workflows and ensure secure access.
Overview
The Document Management System provides construction teams with an efficient platform for managing project documentation. The system features an intuitive interface for tracking document submissions, approvals, and deadlines across multiple stakeholders, ensuring nothing falls through the cracks.
Key Contributions
Frontend Development
- Tree Structure Implementation: Built a sophisticated document management system with hierarchical tree structure for organizing project documents
- Advanced Filtering: Implemented comprehensive filtering capabilities for quick document discovery
- Real-time Integration: Created real-time API integration for instant document status updates
- Component Library: Developed reusable components for consistent UI across multiple workflows
State Management
- Application State: Managed complex application state across multiple workflows
- Async Data Handling: Implemented robust async data handling patterns for reliable data synchronization
- Workflow Coordination: Coordinated state across different approval workflows and user roles
Backend API Development
- Document Lifecycle: Developed comprehensive backend APIs for complete document lifecycle management
- File Operations: Implemented secure file upload/download functionality with validation
- Batch Synchronization: Built batch sync capabilities from external systems for efficient data import
- External Integration: Integrated with external document sources and systems
Performance & Code Quality
- API Optimization: Improved performance by optimizing API calls and reducing unnecessary requests
- Type Safety: Enhanced code reliability through better TypeScript type definitions
- Bug Fixes: Systematically identified and resolved bugs to improve system stability
Technical Highlights
- Organization: Hierarchical tree structure for intuitive document organization
- Collaboration: Multi-stakeholder approval workflows
- Integration: Seamless integration with external systems
- Reliability: Robust error handling and data validation
Technologies Used
Frontend: React, TypeScript, Zustand, Ant Design
Backend: Node.js, Express.js
Database: MongoDB
Features: File Upload/Download, Tree Structure, Real-time Updates