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LifeTrack - Personal Finance & Productivity Platform

My flagship SaaS product - a comprehensive personal finance and life management platform serving 10,000+ active users. True cross-platform support with native apps for Web, Windows, Android, and iOS. Features expense tracking, budget management with auto-renewal, loan tracking, goal management, task management, calendar events, and receipt storage with Google Drive integration.

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10,000+ users

users

$5M+ tracked

tracked

Web, Windows, Android, iOS

platforms

Technical Implementation

Solo-developed full-stack SaaS using Clean Architecture with .NET 9, Entity Framework Core 9, and PostgreSQL. The solution comprises 14 C# projects with 56 domain entities and 104 application services. Engineered real-time sync via SignalR, background processing with Hangfire for automatic budget renewals and log cleanup, JWT authentication with role-based access, Google Drive API for receipt storage, and FastReport for PDF/Excel exports. Features biometric authentication on mobile, offline-first design with sync capabilities, and comprehensive audit logging.

Key Features

Multi-account management: Checking, Savings, Credit Card, Cash, Investment with real-time balance tracking

Transaction tracking with categorization, receipt attachment, split transactions, and recurring templates

Budget management with monthly/yearly/project-based types and auto-renewal via Hangfire

Loan management for lending and borrowing with interest calculation and payment schedules

Goal tracking with milestones, progress visualization, and transaction linking

Task management with priorities (Low to Critical), subtasks, and progress percentage

Calendar integration with events, recurring schedules, and color-coded organization

Timetable/scheduling with weekly views and activity time slots

Google Drive integration for receipt storage and cloud backup

Multi-currency support with conversion rates

Financial analytics dashboard with spending trends and budget adherence

PDF and Excel export via FastReport for comprehensive reporting

Biometric authentication (fingerprint) on mobile platforms

Offline-first design with sync capabilities across devices

Architecture & Patterns

Clean Architecture with Domain, Application, Infrastructure, Presentation layers

14 C# projects organized in modular structure

56 domain entities with comprehensive data model

104 application services for rich business logic

Entity Framework Core 9 with PostgreSQL and SQL Server support

Hangfire background jobs for budget renewals and log cleanup

SignalR hubs for real-time notifications across devices

JWT Bearer authentication with ASP.NET Identity

FluentValidation for declarative business rule enforcement

Mapster for efficient DTO mapping

NLog for structured logging across all layers

Repository pattern with Unit of Work for data abstraction

Project Highlights

True cross-platform: Native MAUI apps for Windows, Android, iOS + Blazor web398+ Git commits demonstrating active continuous development75 test files with unit, integration, and API test coverageProduction-ready Docker configurations for multiple environmentsAutomatic budget renewal system via Hangfire scheduled jobsReal-time sync across devices with SignalRBiometric security with fingerprint authenticationOffline-first architecture with local storage and syncMulti-database support: PostgreSQL (recommended) or SQL ServerComprehensive audit trail for all transactions and activities

Technology Stack

.NET 9Blazor WebAssembly.NET MAUIPostgreSQLEntity Framework Core 9MudBlazorSignalRHangfireFastReportGoogle Drive APIJWTFluentValidationMapsterNLogDockerxUnit

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