Improve Security & Performance of a
Healthcare Platform with Code Audit Services

Business Challenge

• Security Concerns – Handling sensitive medical
  and financial data requires more stringent security measures.
• Legacy Complexity – A large, intricate database
  structure hindered maintainability.
• Documentation Gaps – Rapid development
  outpaced proper documentation, creating knowledge silos.
• Scalability Issues – Growing adoption raised
  concerns about system performance under load.
• 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.