KARP

Karp is a platform that gamifies the volunteering experience to encourage young adults to give back to their community.

Overview

KARP consists of three applications:

Backend

Python / FastAPI / MongoDB

View Backend →

Web Application

React / TypeScript

View Web Frontend →

Mobile Application

React Native / Expo

View Mobile App →

Architecture

                ┌──────────────────┐
                │   React Web App  │
                └────────┬─────────┘
                         │
                         │
                ┌────────▼─────────┐
                │   KARP Backend   │
                │ Python / FastAPI │
                └───────┬───┬──────┘
                        │   │
               ┌────────▼┐ ┌▼──────────┐
               │ MongoDB │ │  AWS S3   │
               └─────────┘ └───────────┘
                        ▲
                        │
                ┌───────┴──────────┐
                │ React Native App │
                └──────────────────┘

Key Features

• Volunteer Event Discovery & Recommendations — Search, filter, sort, and discover volunteer opportunities based on causes, qualifications, availability, location, and personalized recommendations.
• Volunteer Profiles & Gamification — Track volunteering hours, XP, levels, achievements, and progress through an interactive fish-tank achievement system.
• Event Management & Check-In — Sign up for events, manage upcoming/completed events, view attendees, add events to a calendar, and check in/out using QR codes.
• KARP Coin Marketplace — Browse and purchase rewards from vendors using KARP Coins, with filtering by category, location, offers, and cost, and QR-based item redemption.
• Organization & Vendor Portal — Create, edit, draft, and manage events and marketplace items, generate QR codes, and track approval/activation status.
• Admin Portal — Review and approve/reject submitted events and marketplace items.
• Leaderboards & Social Features — View volunteer rankings and other volunteers' profiles, including hours, levels, and XP.
• Authentication & Account Management — Volunteer registration, login/logout, password recovery, profile management, and account settings.

Technologies

• React
• React Native
• TypeScript
• Python
• FastAPI
• MongoDB
• AWS S3

App Demo