MyID × NUS Technology: Transforming a Critical Healthcare Platform into a Global, Reliable, and Secure Solution

In moments where seconds define survival, access to accurate health data can change everything. MyID was designed to ensure that linking medical information to wearable devices, for instance, provides life-saving access. To achieve this vision, NUS Technology provided a healthcare app development initiative transforming an existing but underperforming system into a reliable, scalable, and user-friendly platform that could serve individuals globally

Overview

MyID was founded with a simple but powerful mission: to ensure that critical medical information is available when it matters most. By giving individuals a secure online medical profile linked to wearable products and accessible via QR code, the platform provides peace of mind in emergencies. Whether it’s an accident, allergic reaction, or sudden health issue, first responders and caregivers can instantly retrieve essential health data to make informed decisions.

In 2014, MyID partnered with NUS Technology to strengthen and scale its offering. The goal: transform an existing but underperforming system into a reliable, scalable, and user-friendly platform capable of serving individuals worldwide. This collaboration became a benchmark in healthcare app development for stabilizing legacy healthtech at scale. 

• Industry: Healthcare / Medical Information Management
• Market: Global
• Frontend: React Native (Mobile), Bootstrap (Web)
• Backend: Ruby on Rails
• Database: MySQL
• Infrastructure: AWS
• Integrations: Stripe, HealthKit, Google Maps

The challenge of scalable healthcare app development 

A platform in transition

When MyID first approached NUS Technology, the company already had a working digital health platform. However, the existing system faced performance bottlenecks, limited scalability, and a development pace that couldn’t keep up with product demands. In healthcare app development, these issues directly threaten clinical readiness and user trust. 

For a solution designed to deliver life-saving access to information, these issues posed serious risks to user trust and adoption. The challenge wasn’t to start from scratch, but to take over an existing codebase, stabilize it, and rebuild a stronger healthtech software development foundation.

This required both technical expertise and a flexible healthcare software development process that could adapt to evolving needs.

User-centric design

The platform’s design was built around a clear audience: Individuals who wanted control over their own health data and the ability to make it available in emergencies.

• Web: users could create and manage profiles, enter medical histories, upload documents, and customize their accounts.
• Mobile: focused on speed, accessibility, and reliability, featuring fast QR code scanning and one-tap access to essential information even under stress.

While initial prototypes were provided by the product owner, NUS Technology ensured the final implementation delivered a clean, intuitive, and consistent user experience across both web and mobile platforms. This user-first rigor is core to effective healthcare app development

Overcoming technical hurdles

When the NUS Technology team first inherited the system, performance drops were unpredictable. Sometimes it was stable. Sometimes it failed under real user load. Such volatility was unacceptable in healthcare app development, where seconds could shape outcomes. 

Performance optimization: The original system was prone to slow response times - a critical flaw in emergency use cases. NUS Technology optimized database queries and refactored key parts of the codebase, reducing response time by nearly 30%.

File and document management: Users needed a secure way to upload and store sensitive medical records, essentially a “Dropbox-like” solution. The team implemented Marionette for structured file handling and engineered a custom live migration process to transfer existing data without downtime.

The solution

At NUS Technology, our belief is simple: stability before scale. In healthcare, innovation means little if reliability is in doubt. That principle guided every decision we made. Our healthcare app development playbook prioritizes stability, security, and measurable performance before adding features. 

Platform stabilization and performance boost

• Conducted a full audit of the Ruby on Rails and MySQL stack.
• Indexed high-traffic tables, reduced N+1 query patterns, and refactored core services.
• Implemented caching for frequently accessed data, reducing load and latency.
• Optimized AWS infrastructure to handle variable geographic traffic patterns.

Seamless emergency experience

• Re-engineered QR scanning → profile access with a one-tap, near-instant workflow.
• Introduced lazy loading and improved state management to reduce time-to-interactive (TTI).
• Enhanced mobile responsiveness for stressful, time-sensitive scenarios. These UX choices reflect best practices in healthcare app development for emergency use. 

Data security and compliance

• Strengthened encryption for sensitive medical data, both in transit and at rest.
• Standardized access control and audit logging across backend services.
• Aligned all processes with industry-leading security standards. Security-by-design is non-negotiable in healthcare app development. 

Ecosystem integrations

• Stripe: Enabled secure, subscription-based billing.
• HealthKit: Supported selective health data synchronization.
• Google Maps: Provided geo-relevant access points for emergency responders.

The result

Through its partnership with NUS Technology, MyID evolved into a digital health platform serving users globally. Before optimization, a first responder might wait several seconds for a patient’s profile to load. Now, critical data appears almost instantly, helping caregivers act without hesitation. This outcome illustrates how disciplined healthcare app development can directly impact real-world care. 

The transformation restored speed, security, and confidence across the system:

• Platform Stability: Improved system reliability and uptime.
• Mobile Experience: Smoother app performance, faster QR code scanning, better responsiveness.
• Data Security: Robust encryption and secure data handling practices.
• User Confidence: Renewed credibility, higher adoption, and stronger trust.

Key highlights:

• ~30% faster response time through backend optimization
• Zero-downtime migration for all medical records
• Enterprise-level data security with end-to-end encryption
• Streamlined QR workflow for real-world emergency use
• Key highlights demonstrate applied excellence in healthcare app development at scale. 

We applied a similar approach when partnering with Propmap.IO optimizing performance and scalability for a global audience. Read the full case study here.

Conclusion

The MyID project demonstrates how the right tech partner in a healthcare app development project can turn a struggling platform into a trusted, life-improving solution. By combining technical precision with real-world empathy for how people use technology in critical moments, NUS Technology helped MyID rebuild confidence among users ensuring their vital medical data is always accessible, securely and instantly, when it matters most. This collaboration reaffirmed NUS Technology’s commitment as a trusted healthcare software development partner.