Peer-to-Peer Car-Sharing Platform (NDA Client)

Table of contents

Client Overview

Due to NDA restrictions, the client remains anonymous. They are a startup entering the mobility-tech sector, aiming to disrupt traditional car rental systems by launching a peer-to-peer (P2P) car-sharing service similar to platforms like Turo.

Challenge

The client approached us with a clear but technically ambitious idea: build a P2P car-sharing ecosystem that could scale across thousands of locations and vehicles, providing a seamless experience for both vehicle owners and renters.

A critical challenge was building a fast, geo-based vehicle search engine capable of sorting through over 100,000 vehicle listings in under half a second — a core requirement for usability and customer satisfaction. The system needed to ensure real-time availability, secure communication, and streamlined booking — all within a tight MVP deadline.

Solution

We developed a complete web and mobile P2P car-sharing platform that connects vehicle owners with people looking to rent cars in their area. The solution was delivered in just 4 months as a Minimum Viable Product (MVP), covering both the core web application and a dedicated mobile app built in React Native.

Key Features:

  • Two-Sided User Flow:
    • Vehicle Owners: Can register, list their vehicles (with detailed specs, images, etc.), set availability calendars, and manage bookings.

    • Renters: Can search for vehicles by location and date, using advanced filters like price, model, year, and more.

  • Location-Based Search Engine:
    • Built using Google Maps API and Google Geolocation API.

    • Converts all vehicle and user addresses into geographic coordinates.

    • Utilizes an optimized algorithm to sort vehicles by proximity in real-time.

    • Successfully tested with 100,000+ vehicle records, returning geo-sorted results in <0.5 seconds.

  • Interactive Map Integration:
    • Renters view vehicle listings alongside a live map showing nearby cars via Google pins.

    • Clicking on a pin reveals vehicle details, price, and booking options.

  • In-App Chat System:
    • Encrypted communication between owners and renters.

    • Keeps interactions on-platform for safety and dispute resolution.

  • Booking & Payments:
    • Multi-channel payment options (cash or via app).

    • Transparent booking flow and vehicle status tracking.

  • Admin Panel & Moderation Tools:
    • Manual review and approval of vehicle listings.

    • System for managing user reports, disputes, and support tickets.

  • Reviews & Ratings System:
    • Both parties can leave reviews to ensure trust and accountability.

Tech Stack:

  • Frontend: React

  • Backend: PHP / Laravel

  • Database: PostgreSQL

  • Mobile App: React Native

  • APIs: Google Maps, Geolocation, custom internal APIs

Implementation

The project was delivered in one major sprint over 4 months, following Agile principles. Our team included:

  • 2 Backend Developers

  • 1 Frontend Developer

  • 1 React Native Mobile Developer

  • 1 UI/UX Designer

  • 1 QA Engineer

  • 1 Project Manager

Weekly demos and feedback loops with the client allowed us to stay aligned and rapidly iterate on features.

Results

  • Successfully deployed a fast, scalable MVP with real-time geo-search.

  • The mobile app allows users to engage with the platform seamlessly on the go.

  • The search engine passed scalability tests at 100K+ records with sub-second performance.

  • The client expressed high satisfaction with the stability, usability, and speed of the system.

“We were impressed not just by the technical delivery, but by how quickly and cleanly the team turned our vision into a working product.” — Client (paraphrased)

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