Mobile
Completed

Tulcán Banking App

Mobile banking application for Cooperativa de Ahorro y Crédito Tulcán with account management, transfers, payments, and biometric security.

Overview

Comprehensive mobile banking application for Cooperativa de Ahorro y Crédito Tulcán from Ecuador. Provides full banking functionality including account inquiries, transfers, bill payments, and card management with multiple security authentication methods.

Technologies & Tools

Xamarin Forms
C#
REST API
Biometric Authentication
Android
iOS

Key Features

  • 1Balance inquiry and account movement history for savings accounts
  • 2Investment and credit status tracking
  • 3Intra-cooperative and inter-bank transfers
  • 4Bill payment for utilities and public institutions (CNT, SRI, ANT)
  • 5Credit card payment processing
  • 6Debit/credit card and electronic channel blocking
  • 7Multi-layer security: username/password, unlock pattern, and fingerprint authentication

Challenges & Solutions

Multi-Platform Biometric Integration

Challenge: Implementing fingerprint authentication that works consistently across both Android and iOS devices with different biometric APIs.

Solution: Created abstraction layer in C# using Xamarin Forms DependencyService to handle platform-specific biometric implementations, ensuring consistent user experience across both platforms.

Banking Security Compliance

Challenge: Meeting strict banking security requirements for authentication, data transmission, and session management.

Solution: Implemented three-tier authentication system (password, pattern, biometric), SSL pinning for API communication, and automatic session timeout with secure token management.

Project Information

Timeline

Apr 2019 - Jun 2019

Role

Mobile Developer

Project Metrics

10+

Features

3

Security Layers