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Improve Security & Performance of a <br>Healthcare Platform with Code Audit

Improve Security & Performance of a
Healthcare Platform with Code Audit

Home / Projects / Improve Security & Performance of a
Healthcare Platform with Code Audit

Client Overview

DevCom conducted a comprehensive code audit for a healthcare platform.
Our team thoroughly analyzed the codebase, identified security vulnerabilities, and delivered actionable recommendations to enhance system integrity.

Business Challenge

  • icon 1 Security Concerns – Handling sensitive medical and financial data requires more stringent security measures.
  • icon 2 Legacy Complexity – A large, intricate database structure hindered maintainability.
  • icon 3 Documentation Gaps – Rapid development outpaced proper documentation, creating knowledge silos.
  • icon 3 Scalability Issues – Growing adoption raised concerns about system performance under load.
  • icon 3 System Availability – High uptime was essential for user trust and satisfaction.

Solution

DevCom executed a structured audit and optimization process, integrating seamlessly with the client’s Agile framework.

1. Code Audit & Security Enhancement:

  • Conducted a static code analysis to detect vulnerabilities and code quality issues.
  • Manually reviewed critical components to ensure adherence to SOLID principles and best practices.
  • Strengthened authentication, data encryption, and financial transaction security.

2. Performance Optimization:

  • Implemented API-level caching, reducing response time and improving scalability.
  • Optimized API routes, decreasing database load and enhancing request efficiency.
  • Configured NGINX Reverse Proxy and introduced Cloudfront HTTP/3 support.
  • Improved UI load times with lazy loading, resource compression, and batching API calls.
  • Enhanced database performance by indexing frequently queried columns, optimizing stored procedures, and implementing table partitioning.

3. System Availability & Disaster Recovery:

  • Developed and tested a comprehensive disaster recovery plan, ensuring 99.9% uptime.
  • Implemented database pooling and improved SQL Server Agent job scheduling to optimize resource utilization.
  • Used AWS tools (CloudWatch, RUM, Performance Insights) for real-time monitoring and issue detection.

Results

Security Reinforcement:

  • All identified vulnerabilities were addressed, strengthening system integrity and data protection.

API Performance:

  • Optimized API routes and implemented caching, reducing database load and improving response times by 40%.
  • Deployed a second API container for load balancing, ensuring smoother request handling under high traffic.

UI Performance:

  • Implemented lazy loading for dynamic pages, reducing initial load times.
  • Minified and removed redundant JavaScript and CSS files, leading to a 35% improvement in rendering speed.

Database Optimization:

  • Indexed frequently queried columns, optimized stored procedures, and introduced table partitioning, resulting in 30% faster query execution.
  • Improved SQL Server Agent job scheduling, reducing contention and optimizing resource allocation.

Scalability & Stability:

  • Configured NGINX Reverse Proxy and enabled Cloudfront HTTP/3, improving request routing efficiency.
  • Implemented database pooling, ensuring optimal connection management under high loads.

System Availability & Reliability:

  • Executed a full-scale disaster recovery plan, ensuring 99.9% uptime with a robust, tested framework for rapid recovery.
  • Enabled proactive system monitoring using AWS CloudWatch, Kibana, and Grafana dashboards.

Load Time Improvements Across Key Platform Areas:

  • 2x faster Login Page loading
  • 1.6x faster Home Page loading
  • 1.5x faster Dashboard loading
  • 1.3x faster Personal Information page

These improvements reinforced the platform’s ability to scale while maintaining security, reliability, and high performance. With a structured roadmap for continuous enhancements, the client is well-positioned for future growth and seamless expansion.

Technologies used

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