Traxos Finance Tracker
ReactTypeScriptTailwind CSSSupabase
All Projects2024 / Frontend
CompletedFrontend

Traxos Finance Tracker

Personal finance tracker with interactive data visualization charts and Supabase CRUD workflows.

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ReactTypeScriptTailwind CSSSupabaseRole: Full Stack Developer
01

Overview

Traxos is a modern personal finance tracking application built to help users understand their spending patterns. It features secure authentication, categorized income and expense transactions, responsive dashboard data visualization, and complete dark mode support.

02

Problem & Approach

The Problem

Commercial budgeting apps frequently enforce intrusive bank syncing, contain advertisements, or present cluttered interfaces that discourage consistent transaction tracking.

The Engineering Approach

Engineered a clean React application backed by Supabase PostgreSQL, incorporating interactive charts for spending distributions, quick transaction entry, and mobile-first responsive layouts.

03

System Architecture

Frontend UI
React, TypeScript, and Tailwind CSS with custom charting components.
Backend & Database
Supabase (PostgreSQL) with Row Level Security policies and optimized transaction queries.
04

Features & Deliverables

  • 01
    Transaction CRUD ManagementImplemented

    Fast creation, editing, and deletion of categorized income and expense records.

  • 02
    Interactive Data VisualizationImplemented

    Visual expense distribution charts showing breakdown across categories and monthly trends.

  • 03
    Secure Supabase AuthenticationImplemented

    User account security with Row Level Security isolating individual user records.

  • 04
    Responsive Dark/Light ThemeImplemented

    Thoughtfully styled interface tailored for comfortable mobile and desktop budgeting.

05

Technical Challenges

ProblemOptimizing database aggregation queries for monthly and category totals as transaction history grows.

Resolution:Designed targeted database indexes on user_id and transaction_date columns, calculating aggregate values efficiently.

06

Contributions & Takeaways

My Contributions

  • Designed and implemented the full frontend dashboard and charting interface.
  • Structured the Supabase database schema, authentication, and RLS security policies.
  • Optimized on-page SEO, metadata, and mobile responsive behavior.

Key Learnings

  • Row Level Security in PostgreSQL ensures bulletproof multi-tenant privacy at the database layer.
  • Interactive visual charts encourage consistent user engagement with financial data.
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