I managed a group of freelancers who have experienced various projects, starting from scratch, including mobile and web applications.

MAIN PROJECTS & PRODUCTS 

1. Customer Care Application (16k+ download) - Active Product:
- Class management
- Study materials (based on joined classes)
- Reward and Point achievement
- Other personalized customer care functions

Available on Play Store and Apple Store as "E4U Cafe English" 

2. Language Institutes Management System - Active Product
- Booking System
- Manage Branches
- Manage Users with role Student/Teacher/Staff...
- Statistics 

3. Coffee shops - Product (IN-PROGRESS)
- Mobile Apps for regular customers
- Administrative Website for manage order, delivery status, statistics, etc... 

For long-term cooperation, we suggest using below stacks
*User-experience website
- Front-end: React
- Back-end: Java Spring 

*Adminstrative website
- Front-end: Angular (2+)
- Back-end: Java Spring 

*Mobile application
- Cross-platform with React Native