About the Client
The client is an initiative led by a globally renowned economist, focused on economic empowerment in Senegal. With a large percentage of the population lacking access to banking services, the project’s mission was to introduce a mobile-first financial inclusion platform powered by SENs, a complementary currency.
Their product enables citizens to transact digitally using SENs, promoting financial autonomy and local commerce, while building an ecosystem of merchants, consumers, and distributors under a regulated currency model.
Challenges
Performance or Efficiency Issues
- Real-time recalculations across multiple user roles when currency values (SEN to CFA Francs) changed from the admin panel.
- Complex calculation logic needed to update across all modules with zero lag or mismatch.
Access/Security Gaps
- The platform required bank-grade data security for handling transactions, user identities, and media files.
- Image and media uploads needed to be secure and scalable.
Scalability or Maintainability Bottlenecks
- Tight interdependencies between currency logic and user transactions posed risks for maintainability.
- Required daily iteration and adaptability to evolving requirements, demanding a robust CI/CD process.
Integration or Data Flow Issues
- Dynamic data updates needed to propagate instantly across users and roles without inconsistency.
- Integration of multiple modules under a unified financial rule engine.
UI/UX or Workflow Limitations
- Each user type (Consumer, Merchant, Distributor, Admin) required distinct workflows and dashboards.
- Admin needed intuitive control over currency settings and real-time insights into transaction behavior.
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Solution
| Challenge |
Solution |
Result |
| Complex Currency Calculation & Cascading Updates |
Built a modular service that recalculates dependent fields dynamically across the application when SEN values change. Ensured single source of truth with centralized currency logic. |
Instant and accurate value reflection across all user accounts and transactions, eliminating inconsistencies. |
| Platform Security & Data Protection |
Hosted backend on AWS EC2 with SSL encryption, implemented role-based access control, and used Amazon S3 for secure media storage. |
Delivered a PCI-compliant security model suitable for a currency platform with no breaches or data leaks. |
| High Customization & Continuous Feedback Loop |
Followed an Agile methodology, conducting daily feedback sessions, updating tasks via Jira, and using dynamic documentation and feasibility assessments. |
Achieved high feature acceptance, reduced revision cycles, and accelerated sprint closure rate. |
| Reliable and Scalable Deployment |
Implemented a CI/CD pipeline with phased deployments (local → dev → staging → live), rigorous unit testing, and peer-reviewed pull requests. |
Maintained high uptime, minimized deployment issues, and delivered a stable cross-platform experience on Android and iOS. |
Tech Stack
Architecture Overview
Measurable Results / ROI
- Deployed successfully across iOS and Android
- Over 1,000 active users onboarded within weeks
- Enabled local commerce using SEN as a functional digital currency
- Reduced post-deployment bugs by ~40%
- Ensured secure, low-latency currency logic updates for real-time financial accuracy
Why ValueCoders?
- Node.js + React Native experts for real-time, secure financial apps
- Agile development with daily client syncs via Jira
- Secure-by-design architecture using AWS services
- Client-first development model with high collaboration and flexibility
- Scalable architecture supporting future geographic or user base expansion
Client Quote
“This project was more than just tech—it was about economic freedom. ValueCoders understood the vision from day one and delivered a platform that brought it to life, securely and beautifully.”
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