Expense Tracker

A fullstack Expense Management system built with a role-based architecture for employees, managers, and admins. Designed for fast expense logging, structured approval workflows, and multi-currency financial tracking.

Won at Oddo Hackathon 2026

Overview

ExpenseOS is a SaaS-style expense management platform that streamlines how organizations track, review, and control spending. It focuses on real-time expense logging, approval workflows, and policy-driven governance through a clean, high-performance UI. We were top finalists at the Oddo Hackathon 2026.

Features

Role-based dashboards for Employees, Managers, and Admins
Drag-and-drop receipt upload with instant parsing
Expense lifecycle tracking (Draft → Submitted → Approved/Rejected)
Multi-currency expense logging with automated conversion
Manager approval system with audit logs and decision tracking
Rule engine for enforcing company expense policies
Interactive slide-over panels for detailed expense management
Responsive UI with modern dark-themed design system

Tech Stack

Next.js 15 (App Router): Fullstack framework
TypeScript: Type-safe development
Tailwind CSS 4: Utility-first styling
ShadCN UI + Radix UI: Accessible component system
Lucide React: Icon system
Oracle Cloud: Backend deployment
Vercel: Frontend hosting

Project Details

Team

Links

site

ISSR3 A/B Trust Experiment

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