Summary

Seasoned Android Developer with 6+ years of experience building scalable, high-performance mobile applications across E-commerce, Fintech, healthtech, and Enterprise domains. Strong background in Kotlin, MVVM, Jetpack libraries, and Android architecture components. Adept at leading projects, mentoring junior developers, and collaborating with cross-functional teams in agile environments.

Technical proficiencies

Programming Languages: Kotlin, Java, Dart. 

Skills: 

  • Kotlin, Java, Dart, Android Native, Flutter.
  • MVVM, MVP, Clean Architecture.
  • Jetpack (LiveData, ViewModel, Navigation), RxJava, Coroutines, Retrofit, Glide, Dagger/Hilt
  • Android Studio, Git, Firebase, CI/CD (Bitrise, GitHub Actions)
  • JUnit, Mockito, Espresso, Robolectric
  • BLE, Camera2 API, ExoPlayer, Room, SQLite, REST API

Tools: Android Studio, Git.

Professional Experience

Enterprise Mobility Platform – USA  

Android Developer, Jan 2023 – May 2025

Project description 

  • Developed a mobile application suite for enterprise users involving navigation, inspections, and user activity logging.

Responsibilities 

  • Maintain and develop core modules across navigation, inspection, and user tracking workflows.
  • Serve as primary contact in team presentations and client calls.
  • Ensure stability and performance across Android versions and devices.
  • Refactor legacy modules into MVVM and implement unit/instrumentation testing.

Technologies 

  • Kotlin, MVVM, Room, LiveData, DataBinding, CI/CD, JUnit, Retrofit

E-Commerce & Digital Wallet Apps – Singapore & Vietnam

Android Developer, Dec 2021 – Apr 2023

Project description 

  • Worked on Android applications in the fintech and retail domains including a digital wallet, sales force automation, and mobile invoicing.

Responsibilities 

  • Build and refactor digital wallet SDK and integrate into flagship mobile apps
  • Develop and maintain Invoice and Survey modules in business-focused apps
  • Ensure compliance with security and localization standards.
  • Conduct unit tests and code reviews.

Technologies 

  • Kotlin, RxJava, Coroutines, Retrofit, Volley, Kotlin Multiplatform, MVP, JUnit

Multimedia Utility Application – Vietnam

Android Developer, July 2020 – Oct 2021

Project description 

  • Developed Android apps focused on camera functionality and media capture used in fieldwork applications

Responsibilities 

  • Implement Android Camera2 API for stable image/video capture
  • Develop features for inspection and trip documentation
  • Ensure compatibility with various hardware and Android versions

Technologies 

  • Java, Android SDK, Camera2, SQLite

Business & Lifestyle Mobile Apps – Remote

Flutter Developer, May 2019 – July 2020

Project description 

  • Designed and developed various lifestyle and business utility apps for SMEs and startups in healthcare and logistics.

Responsibilities

  • Built lifestyle tracking app for healthcare domain with appointment booking and doctor chat
  • Created employee management tool for Vietnamese company (day-off tracking, asset logs).
  • Developed app to visualize user trips via Bluetooth bike pairing  
  • Fixing bugs, supporting team members and maintaining.  
  • Deploy the application for our customers.

Technologies

  • Kotlin, Flutter, Dart, BLE, Google Maps SDK, Clean Architecture, RESTful APIs
Certifications

Education:

Ho Chi Minh University of Foreign Languages – IT (HUFLIT)

Major: Information Technology

Navigating OurCooperation Models

We assess your needs first. Then, we will send you the top software engineer CV options so that you can select your favorite. The chosen engineer becomes part of your in-house team.

Ideal for businesses that:
Need specialized expertise but don't want to hire full-time staff
Want to scale resources up and down quickly
Require extra support for upcoming or ongoing projects
You can choose from our numerous software developer CV options. The selected developers form a dedicated team that works exclusively on your project. They also collaborate closely with your in-house team to achieve your goals.

Ideal for businesses that:
Require cost-effective and scalable solutions for large and long-term projects
Want to form a consistent team with excellent skills
Need a development team committed to their business goal
We define a clear path for your project. Since the project has clear timelines and scopes, you can control your budget better. You can also choose to work with a remote team or manage specialized technical roles.

Ideal for businesses that:
Have a set budget and clearly outline the project scope
Struggle with strict deadlines
Handle projects with clear goals, a detailed outline, and achievable milestones
How to Hire Top Developers from Saigon Technology?