Modernizing a Corporate Document Management Mobile App with Enhanced Security and Scalability

The client operates a mobile application serving over 115,000 daily users across thousands of organizations, managing sensitive corporate documentation. The existing app is built on outdated technology, resulting in slow performance, frequent crashes, security vulnerabilities, and inability to support modern OS updates. It also encounters difficulties handling large file downloads, risking user dissatisfaction and compliance issues, necessitating a comprehensive system overhaul.

A mid-sized enterprise offering document management solutions to organizations across multiple regions, serving a broad user base with complex security and performance requirements.

• Migrate the existing mobile application to a modern, scalable technology stack to improve performance and reliability.
• Achieve a crash-free rate of over 99.5% to ensure a stable user experience.
• Enhance security measures by implementing up-to-date data encryption and compliance with GDPR, SOC Type 2, and ISO 27001:2013 standards.
• Enable seamless handling of large document downloads (up to 1,500 files) without timeout errors or performance degradation.
• Maintain zero downtime during migration to avoid disruption to active users.
• Improve ease of maintenance and facilitate onboarding of expert-level development talent.

• Migration to a modern, scalable platform (e.g., Swift-based architecture for iOS).
• Implementation of data encryption protocols aligned with industry security standards.
• Request queueing system to serially process large download requests and prevent system crashes.
• Limiting parallel requests to optimize server response times during large file downloads.
• Seamless integration with cloud-based CI/CD pipelines to support continuous deployment and efficient updates.
• Built-in unit testing frameworks to ensure app stability and quality assurance.

• Secure storage services for encryption key management
• Cloud-based storage solutions for large document handling
• Monitoring and crash reporting tools such as Crashlytics
• Continuous Integration / Delivery pipelines

• System must handle high load conditions, ensuring reliability during peak usage.
• Achieve a crash-free rate of over 99.5%.
• Support secure data encryption compliant with GDPR, SOC, and ISO standards.
• Ensure zero downtime during migration and updates.
• Optimize response times for large volume file downloads.

The modernized documentation management app is expected to deliver a high-performance, secure platform capable of supporting over 115,000 daily users across thousands of organizations. Key impacts include a crash-free rate exceeding 99.5%, reliable handling of large file downloads without timeouts, improved security compliance, and effortless maintenance—ultimately enhancing user satisfaction, reducing system vulnerabilities, and supporting organizational growth.