FRONTEND FINTECH APPLICATION

NairaBank

Responsive Nigerian Retail Banking Dashboard

Overview

NairaBank is a responsive Nigerian retail banking dashboard simulation built as a frontend-only application. It presents account balances, recent transactions, spending analytics, transfer limits, banking actions, and responsive navigation without claiming to connect to real financial infrastructure.

Platform proof

The project demonstrates production-minded frontend engineering through typed domain contracts, replaceable service boundaries, asynchronous data loading, request cancellation, recoverable error handling, shared state management, deterministic utilities, responsive financial visualisation, accessibility, automated tests, and a validated production build.

Key capabilities

Available BalanceBalance Privacy ToggleMasked Account DetailsSeven-Day Balance TrendQuick Action SimulationsTransaction HistorySpending AnalyticsTransfer LimitsResponsive NavigationRetryable Error States

Technical profile

React 18TypeScriptViteZustandRechartsPhosphor IconsVitestTesting LibraryESLint

Architecture signal

Responsive Application Shell ↓ Feature Views and Dashboard Components ↓ React Hooks and Zustand Stores ↓ Typed Financial Domain Contracts ↓ Asynchronous Dashboard Service ↓ Replaceable JSON Data Fixture

Engineering focus

Component ArchitectureTyped Domain ModellingState ManagementService BoundariesRequest CancellationLoading StatesFailure RecoveryResponsive UXAccessibilityFrontend Testing

Skills

ReactTypeScriptZustandRechartsResponsive DesignData VisualizationFrontend ArchitectureAccessibilityUnit TestingProduction Builds

Technical note

NairaBank separates domain contracts, asynchronous transport behaviour, shared interface state, lifecycle hooks, and presentation components. Dashboard data is fetched through a simulated service instead of being imported directly into the interface, allowing latency, cancellation, loading, retry, and failure behaviour to be exercised while preserving a clear path to a future HTTP API.

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