Freelancer profile translated to English.

Description

Hello.

My name is NGUYEN Huu-Hien, I am a senior mobile application developer - Android Mobile Lead Developer.

I have 12 years of experience in this technology and I have 2 personal apps on the Play Store (Voice Newspaper Reader and Voice Book Reader), which I have been doing personally in the evenings or on weekends since 2017.

I have a good command of the following technologies: Android SDKs, Android Studio, Clean Architecture, MVVM, Jetpack (Compose, ViewModel, StateFlow, LiveData, ViewBinding, DataBinding, Navigation, Room, Coroutines, WorkManager, Hilt, Compose), Dagger, JUnit, Espresso, Robolectric, Realm, EventBus, Eclipse, Java, Windows, Linux, Git, gitlab, Mantis, Jenkins, Oracle, Postgres, Agile Method.

Thank you in advance for your attention.

Languages

French
Fluent
English
Fluent
Vietnamese
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

FDJ
Senior Android Developer
ENTERTAINMENT AND LEISURE
October 2022 - Today (3 years and 8 months)
Senior Android Developer.
Lottery BU.
App: FDJ
Kotlin Jetpack Jetpack Compose MVVM Coroutines Git Gitlab Bitrise SonarQube
GRDF
Mobile Lead Developer
ENERGY AND UTILITIES
May 2021 - September 2022 (1 year and 4 months)
Paris, France
Mobile lead developer for the OMNI V3 project (Intervention management for gas technicians)
Responsibilities: Team management (4 Android developers), design, estimation, code review, CI-CD, delivery, development, bug fixing.
Clean Architecture MVVM Jetpack Jira Android Studio Git Jetpack Compose
Inéo Systrans
Android/Kotlin/Java Developer
TRANSPORTATION
September 2017 - April 2021 (3 years and 7 months)
Achères, France
Project Context:
● Navinéo: SAE (server, thick clients, mobile clients) for managing a transport network's vehicles: agent services, vehicle services, etc.
o Navinéo Server
o Thick Client: GUI Input, GUI Monitoring (on computer)
o Mobile Client: Android app Ordiphone
Activity:
● In Team 1 (7 developers) of the PC team (central station, 20 developers)
● Design, maintenance, development of new features on the mobile side:
o Ordiphone app includes views: Map, Synoptic, Stop Timetables, etc.
o CSipSimple app for VoIP calls between mobile phones, between the controller and mobile phones
▪ CSipSimple for Navinéo: call from notification, messages view, microphone mute in 'broadcast group'
▪ CSipSimple for the Jerusalem client: handling alternation, managing the PTT (push to talk) button, changing layouts
● Development of new features on the thick client side: Java GUI on the computer (desktop) includes views: Map, Synoptic, etc.
● Work on the server side: Update entities for storage in the database, add web services for data exchange with the mobile client
Technical Environment:
● Rational Rose (UML), Eclipse, Java, Kotlin, SQL, Realm, Oracle, Postgres, Android Studio, EventBus, Spring, Jetpack (MVVM), Retrofit, Git, Gerrit, Mantis Bug Tracker, Sonar, Agile Scrum.
Conclusion:
● Deepening of technologies:
o J2EE (Spring Boot, DAO, database, REST web services)
o Jetpack (MVVM, AndroidX, ViewBinding, DataBinding, ViewModel, LiveData, Navigation, Room, RxJava, Coroutines, WorkManager, Dagger 2, Hilt)
o Retrofit
o Java, Kotlin Language
o Drawings (by Canvas) on Android
o OpenStreetMap, GoogleMap on Android.
o Layout, fragment on Android
o EventBus
o Test framework: Robolectric
o Git, Gitlab, SmartGit
o Notions in transport: network, line, route, etc.