Ly Son Trung

A retail POS system for Maison's stores, supporting core sales operations such as product scanning, payment processing (cash, card, QR code), order management, inventory tracking, and revenue reporting.

The system also includes features for managing promotions, generating sales receipts, handling refunds, and providing detailed sales analytics to assist in business decision-making.

Maintain the app, fix bugs, and add new features.

Self Checkout offers time savings, convenience, improved information security, reduced staff workload, and a modern shopping experience for customers.

Project structure setup: designed and implemented the foundational architecture for the project, ensuring scalability and maintainability.

Contribute ideas, improve technology, and enhance the user experience of the application.

Managed app data and state using Context API and handled data fetching by Axios.

Developed a styled app using Tailwind CSS.

Print Integration: Implemented seamless printing solutions, enabling users to print receipts and other necessary documents directly from the system.

RFID Integration: Replaced traditional bar code scanning with RFID technology, improving product scanning speed and accuracy.

Monitoring, analysis and reporting app via Sentry.

Loyalty application designed exclusively for distributors and agents of PepsiCo Foods. Its purpose is to help wholesale users manage information about revenue, reward points, and receive attractive gifts from PepsiCo Foods.

Project structure setup: designed and implemented the foundational architecture for the project, ensuring scalability and maintainability.

Develop the application using open-source code, API, and documentation from Zalo.

Managed app data and state using Zustand and handled data fetching by Axios

Developed a styled app using Tailwind CSS.

Generate ideas, design, and create experiences based on customer requirements.

Integrate auto build and auto deploy with CI/CD.

E-Commerce app (React Native)

Migrated source code from React Native CLI to Expo CLI, streamlining development workflows.

Managed app data and state using API integration, AsyncStorage, Redux, and Redux-Saga.

Integrated third-party libraries such as Facebook, Google, Code Push, and React-Native-Insider.

Enhanced app features with Firebase Analytics, React-Native-Insider, and Sentry for tracking and crash reporting.

Ensured effective communication and user notifications through Firebase and React-Native-Insider.

Deployed apps using native build tools, ensuring a smooth user experience.

E-Commerce app (React Native)

Project structure setup: designed and implemented the foundational architecture for the project, ensuring scalability and maintainability.

Led the development and optimization of e-commerce platforms.

Collaborated with cross-functional teams to deploy tailored e-commerce applications.

Upgraded applications and transitioned source code from React Native CLI to Expo CLI for enhanced development agility.

Managed app data and state using fetch API, AsyncStorage, Redux, and Redux Toolkit.

Applied routing with React Navigation and implemented crash reporting with Sentry.

Managed notifications through Expo Notifications and built/deployed apps using Expo CLI

Monitoring, analysis and reporting app via Firebase Analytics, Sentry.

Integrate auto build and auto deploy with CI/CD.

Chain Store Management Software

Front-end development based on design documentation.

Supported app testing and collaborated with teammates.

Upgraded the application according to the Product Owner's specifications.

Migrated source code from React Native CLI to Expo CLI for improved development efficiency.

Managed app data and state using API integration, AsyncStorage, Redux, and Redux-Saga.

Implemented routing with React Navigation and React Native Router Flux.

Integrated Firebase Analytics for tracking and Sentry for crash reporting.

Training and Learning

Gained proficiency in JavaScript, ES6, and React Native API

Learned React Native components, API integration, debugging, and app deployment.

Studied and implemented efficient source code structures.