With the increasing demand for fast pace development that for small team with low budget and need deliver things fast. I took a challenge to join in some projects using React Native - give ability to adapt change request more quickly reduce time and cost.

Developed React Native application as a core developer and delivered it.

- Thecuatui - https://thecuatui.vn/home: Mobile app let user manage credit cards and optimize benefits from it. Publish to [App Store](https://apps.apple.com/us/app/thecuatui/id1568831849) and Play Store
- RinZ - Mobile app allow user share and vote ideas anonymously. After develop a MVP version, this project is suspended (by client) due to lack of ability to grow.
- Tiktik Trading - Social Trading Platform - complete project from previous team. Update new features, fix remain issues (both Mobile and Back-end).
- Tiktik Social App - Mobile social app for Trader and Follower of Trading Community using React Native. Build social features - chat, like, follow, review, ...

**Technology:** Redux, Redux-saga, Firebase, Socket.io, SailsJS, MongoDB

Port current web app to mobile app on both iOS and Android platform using single codebase (React Native).
- Designed application's architecture
- Perform a technical analysis of requirements, design features, break tasks.
- Responsible for troubleshooting application related issues and maintaining high performance and device compatibility. Participate in architecture design and code review.
- Setup Fastlane to deploy applications to TestFlight/AppCenter for Beta Testing.

Achievements
- Bookmarkx - Cryptocurrency Wallet - Manage cryptocurrency assets and portfolio investment.

- Research and proposing technical solutions for projects (Lucky Draw, Kid Protection, Digital Signage, Wifi Marketing, Interactive Games, Tap Payment)
- Define product roadmap and propose solutions to stakeholders.
- Hands-on development and project management process.
- Implement system with team:
- Business analyst
- Design system architecture and database
- Work with designer team to make layout
- Implement system using monolithic architecture with Express
- And processing to upgrade to micro-service (Docker, Kafka)
- Code reviews during development to share knowledge and experience
- Experience DevOps on GCP (Google Cloud Computing), Digital Ocean and Gitlab CI/CD
- Move part of monolith into microservices
- Design and implement IoT applications for Advertising Display

**Accomplishments**

- JP World - apply many immersive technologies and projects that we work for years in this playground immersive education for kids.

Possessed a passion for pushing mobile technologies to the limits and to design, build the next generation of some great mobile applications.
- Design and build advanced applications for the iOS and Android platform.
- Collaborate with cross ­functional teams to define, design, and ship new features.
- Unit ­test code for robustness, including edge cases, usability, and general reliability.
- Work on bug fixing and improving application performance.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

**Accomplishments:**

- Chotot - https://www.chotot.com - Improved performances and build new major features for iOS app.
Published on App Store.
- Taske - https://www.btaskee.com/en/ -­ Design and build mobile application from ideas, help back-end team developed web services API.
Published on App Store and Play Store.
- BMQ - https://banhmique.com (Bánh Mì Que) ­- Help customer make ideas to real applications from design UI with cool animation effect, database and improve stability in request web service of back-end. Published on App Store and Play Store

I joined team as the first mobile developer and quickly grow up to team size of 8 members that work close to Korea's clients.

**Accomplishments**

- **DHL Tracking -**­ Tracking package system developed for DHL Global Forwarding. I joined this
project as maintain role, fixed bugs and write unit test, successfully submitted to [Appstore](https://itunes.apple.com/ne/app/dgf­tracking/id577723623?mt=8).
- **T-­Mobile Knowledge**­ - Training application developed for ***T-­Mobile Training Center*** on iPad tablet. I participated in implemented main functions and maintain fixed bugs.
- **MCast University**­ - Participated in developed for iPhone & iPad. This project implemented for Universities in Singapore, Israel, Thailand.
- **100 Samples Application**­ - Successfully implemented 100 iOS sample application in many kind of category for university education at Korea in 2 months.
- **EZLife**­ - Participated in build up UI and main functions in this application, also maintain and implement new features. Successfully submitted multiple updates to [Appstore](https://itunes.apple.com/us/app/ezlife/id600776352).

**Research**

> I also do some research about.
>
- **Mobile Game**: Use game engine **C****ocos2d** and **C****ocos2-d­x** to implement game on iOS and Android platform.
- **Augmented Reality:** Learn from OpenCV knowledge to build an AR library via image processing system and propose technical solution for team.

Join Summer Internship Program in team size of 10 for research apply new framework .NET (WPF, WCF, Entity Framework 4, ...) and developing project Electronic Toll Collection. I love to join project at the beginning, let's me learn a lot of practical knowledge.