Mobile Mortgage Platform Modernization

The Challenge

Pre-Approve Me’s existing mobile mortgage platform faced critical technical challenges that threatened business growth:

• Performance issues: Stability problems affecting the live product
• Slow development: Development cycles too slow to keep pace with market needs
• Poor user experience: Confusing interface causing user frustration
• Technical debt: Poorly architected database hampering data access and scaling
• Security concerns: Aging infrastructure needed modernization

The Solution

I led a comprehensive platform modernization effort, essentially rebuilding the product while maintaining continuity for existing users.

Architecture Overhaul

Complete restructuring of the technical foundation:

• Database redesign: Rebuilt data architecture for performance and scalability
• Infrastructure upgrade: Enhanced hosting for better performance and security
• Technology migration: Moved to modern, mainstream technologies
• Codebase consolidation: Reduced maintenance overhead through cleanup

Application Rewrite

Ground-up development of core functionality:

• Services rewrite: All application services rebuilt from scratch
• API-first design: Full-featured platform API for flexibility
• Modern architecture: Clean, maintainable codebase

User Experience Redesign

Complete UI overhaul focused on clarity:

• Responsive dashboard: Loan management with automated milestones
• Cross-platform mobile app: Native experience on iOS and Android
• Advanced calculators: Tools for buyers to understand their options
• Document upload: Streamlined document collection process

Dynamic Branding

Flexibility for business growth:

• Customizable templates: Loan officers can personalize their presence
• Configurable loan programs: Adapt to different lending products
• White-label capability: Support for partner branding

Zero-Downtime Migration

Critical execution for business continuity:

• Live user migration: Moved all existing users and data seamlessly
• No service interruption: Platform remained available throughout
• Data integrity: Complete verification of migrated records

The Results

The modernization delivered transformative improvements:

• Increased scalability: Platform ready for growth
• Enhanced security: Modern security practices implemented
• Full API access: Enables integrations and future development
• Positive user feedback: Dramatically improved interface
• Reduced onboarding friction: Faster time to value for new customers
• Compliance ready: Architecture supports regulatory requirements
• Foundation for growth: Clean codebase enables rapid feature development

Technical Approach

Modern architecture designed for longevity:

• Cloud-native infrastructure
• RESTful API design
• Cross-platform mobile development
• Secure data handling for financial information
• Automated testing and deployment

This project exemplifies the type of full-stack development and platform modernization I specialize in. For startups facing similar challenges with legacy systems or needing to scale, my startup consulting services can help chart the path forward.