Case Studies
Real projects, real results
Healthcare Platform Modernization
Migrating a legacy patient management system to modern cloud infrastructure
The Challenge
A growing healthcare provider was struggling with a 10-year-old patient management system built on outdated technology:
- Hosted on aging on-premise servers requiring constant maintenance
- Unable to scale to handle their growing patient base (5,000+ patients)
- Lacking modern features like mobile access and real-time updates
- Non-compliant with current HIPAA security requirements
- Costing $8,000/month in server maintenance and downtime
Our Solution
Cloud Migration
Moved the entire system to AWS with HIPAA-compliant infrastructure
Database Modernization
Migrated from SQL Server 2008 to Amazon RDS with automated backups
API Development
Built RESTful APIs to enable mobile access and third-party integrations
Security Hardening
Implemented end-to-end encryption, MFA, and comprehensive audit logging
Technologies: AWS EC2, Amazon RDS, Node.js, React, PostgreSQL, Docker, GitHub Actions
Results
| Metric | Result |
|---|---|
| Cost Reduction | 72% |
| Uptime Achieved | 99.9% |
| Page Load Speed | 3x faster |
| HIPAA Compliance | 100% |
"GTM Enterprises transformed our outdated system into a modern, reliable platform. The migration was seamless—our staff didn't miss a beat. We're now spending 70% less on infrastructure and can finally focus on patient care instead of IT problems."
— Dr. Sarah Mitchell, Medical Director
E-Commerce Platform Scaling
Building infrastructure to handle 10x traffic growth during peak seasons
The Challenge
A rapidly growing online retailer was experiencing:
- Website crashes during high-traffic periods (Black Friday, holiday sales)
- Cart abandonment rate of 68% due to slow checkout process
- Lost revenue estimated at $150,000 during previous holiday season
- Database bottlenecks causing 15+ second page load times
- Manual deployment process taking 4+ hours
Our Solution
Auto-Scaling Infrastructure
Configured AWS Auto Scaling Groups to handle traffic spikes automatically
Database Optimization
Implemented read replicas, query optimization, and Redis caching layer
CDN Integration
Moved static assets to CloudFront for global distribution
Checkout Optimization
Optimized checkout flow reducing steps from 7 to 3
Technologies: AWS ECS, Application Load Balancer, MySQL, Redis, CloudFront, Docker, Stripe
Results
| Metric | Result |
|---|---|
| Downtime Events | 0 |
| Load Time Improvement | 85% faster |
| Cart Abandonment | Down 42% |
| Additional Revenue | $380K |
"We went from dreading high-traffic periods to confidently running promotions knowing our site can handle it. The ROI on this project was realized in a single weekend. Best investment we've made."
— James Torres, CEO, Online Retail Co.
Smart Factory IoT Solution
Building real-time equipment monitoring system for manufacturing floor
The Challenge
A mid-size manufacturing company needed to:
- Monitor 24 machines across the production floor in real-time
- Reduce unplanned downtime costing $12,000 per hour
- Track equipment efficiency and identify bottlenecks
- Predict maintenance needs before failures occur
- Integrate with existing PLC systems without disruption
Our Solution
Arduino-based Sensors
Designed and deployed 24 custom sensor nodes monitoring temperature, vibration, and operating status
Wireless Mesh Network
Implemented LoRa communication for reliable factory-floor connectivity
Cloud Dashboard
Built real-time web dashboard showing machine status, alerts, and analytics
Predictive Maintenance
Developed ML models to predict equipment failures 2-3 days in advance
Technologies: Arduino MKR, LoRa, MQTT, Node.js, React, InfluxDB, AWS IoT Core
Results
| Metric | Result |
|---|---|
| Downtime Reduction | 67% |
| Annual Savings | $240K |
| OEE Improvement | 18% |
| Prediction Accuracy | 92% |
"The IoT system paid for itself in 4 months. We now catch problems before they cause downtime. The dashboard has become essential for our daily operations. We're expanding it to our other facilities."
— Michael Chen, Operations Director
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