App and Web Application
Hezzly
Hezzly is a collaborative parcel delivery solution that helps senders connect with available travelers or carriers
Project context
Hezzly is a peer-to-peer transport and delivery platform. It connects available drivers with individuals who need parcels shipped or trips covered. The web and mobile application delivers a seamless experience for matchmaking, real-time tracking and delivery management, deployed on AWS using CloudFormation and GitHub Actions
The challenge
Moving parcels along trips that individuals already plan requires strong trust between strangers. The product had to treat trip search as seriously as verified profiles, messaging, handover tracking and reviews
Our approach
We built the whole platform: a mobile app for senders and travellers, a localised public website designed for search visibility, a back-office and seven independent services. The full journey is covered: publication, proposals, real-time conversation, parcel handover and rating
Architecture
Mobile app
React Native for Android and iOS, Redux Toolkit, Firebase notifications and crash reporting, Google and Apple sign-in
Public site and back-office
Next.js 16 and React 19 with server rendering for the localised site, the blog and the sitemaps; React back-office built with Vite
7 microservices
Users, parcels and trips, messaging, interactions, reviews, shared services and AI-generated articles
Data and real time
DynamoDB and MongoDB, S3, SQS queues, Step Functions for workflows and API Gateway WebSocket for instant messaging
Artificial intelligence
Assisted listing input and scheduled generation of articles and social network posts
Key features
- Parcel and trip listing publication
- Offer search based on destinations
- Localized SEO pages to improve organic visibility
- Responsive web interface and mobile app
- Secure authentication with OAuth2
- Scalable cloud architecture based on AWS
- Material UI design system integration
- User journey optimized for trust and conversion
Quality, security and operations
- Infrastructure defined as code (AWS SAM / CloudFormation), preprod and prod environments, deployment with GitHub Actions
- Jest tests on the services and the mobile app, Vitest on the back-office
- Signed HttpOnly sessions, application credentials, origin checks and reCAPTCHA protection
- Interface in four languages: French, English, Arabic and Tunisian Arabic
Technologies used
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