Sharp Pocket
Complete Financial Utility App
My Foundational Fintech Build
Sharp Pocket is a complete financial utility app that handles everything from money transfers to bill payments. I built every component myself—the React Native mobile app, Node.js backend, and the web presence. It's designed to be reliable and trustworthy for everyday financial transactions.
Built for a client who needed a reliable financial utility app that users could trust. The focus was on creating something consistent and dependable—where users feel confident about their money and transactions.
Financial Features
Send & Receive Money
P2P TransfersWallet-to-wallet transfers with real-time balance updates
Bank Withdrawals
Banking IntegrationWithdraw funds from app wallet to any bank account
Airtime & Data
Telecom ServicesTop-up for any network with instant delivery
Bill Payments
Utility ServicesPay electricity and utility bills seamlessly
Transaction History
Full TrackingComplete record of all financial activities
Secure Authentication
User SecurityProtected user accounts with secure login systems
Admin Management
Complete Admin Control
REAL-TIME MONITORINGBuilt a comprehensive admin dashboard for complete platform oversight. The admin interface provides real-time monitoring of users, transactions, and platform health with detailed analytics and service usage tracking.
Track active users and account status
99.9% uptime with security monitoring
Bill payments, airtime, and revenue tracking
App & Platform
// Admin Dashboard
// Mobile Application
The Client Challenge
Needed a reliable financial app for everyday transactions
Users required trust and confidence in money handling
Multiple financial services in one platform
Seamless experience across all payment types
Complete Solution Delivered
Built React Native app for iOS and Android
Created secure Node.js backend with proper authentication
Integrated multiple payment and utility services
Designed clean, intuitive user interface
System Architecture
React Native App
Mobile FrontendUser interface, local state management, API communication
Express.js API
Backend ServerAuthentication, business logic, request handling
PostgreSQL Database
Data StorageUser data, transactions, account information
External Services
Third-party APIsPayment processing, telecom services, bank integrations
Technology Stack
mobile
backend
database
security
infrastructure
Key Achievements
Secure Architecture
Built with security-first approach including authentication, input validation, and secure API design
Cross-Platform Mobile
React Native app works seamlessly on both iOS and Android devices
Real-time Updates
Instant balance updates and transaction notifications
Multiple Integrations
Connected to banks, telecom providers, and utility companies
What I Learned
Full-Stack Integration
Building both the React Native frontend and Node.js backend taught me how to design APIs that work seamlessly with mobile apps and handle real-time data synchronization.
Financial App Security
Implementing proper authentication, input validation, and secure API design for financial transactions where user trust is paramount.
Third-Party Integrations
Working with multiple payment gateways, telecom APIs, and utility services to create a unified experience while handling different response formats.
React Native Development
Building cross-platform mobile apps with consistent UX across iOS and Android, managing state, and optimizing performance for financial transactions.
Client Collaboration
Working closely with a client to understand their vision and deliver a product that meets their business requirements while ensuring user satisfaction.
End-to-End Delivery
Managing the complete development lifecycle from requirements to deployment, including the web presence and ongoing maintenance considerations.
A Complete Fintech Solution
Sharp Pocket represents my ability to build complete financial applicationsfrom the ground up. From React Native mobile development to secure backend architecture, every component was designed to work together seamlessly. The client received a reliable platform their users trust, and I gained valuable experience in fintech development and client delivery.
Need a reliable fintech solution?
See how Sharp Pocket delivers secure financial services with seamless user experience.