Duy Pham

Senior Android Engineer

I turn ideas into real products, from architecture and system design all the way to release.

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About

Android engineer with over five years of experience building mobile apps in Kotlin, from consumer products used at scale to the SDKs, wearable, and in-car apps built around them. I care about app architecture, multi-module and multiplatform codebases, and the testing habits that keep them maintainable as they grow.

I like being close to the product, and working across teams to get there, with design, backend, and other mobile engineers. What interests me most is taking an idea from architecture and design through to something real that people use.

Outside of work: chess, video games, and whatever just landed in Android.

Experience

  1. October 2023 — Present

    Senior Android Engineer · what3words

    Rebuilt the Android app around Jetpack Compose and MVI, introduced Kotlin Multiplatform for shared logic, and shipped the automotive build to major suppliers.

    Read the case study
    • Kotlin
    • Kotlin Multiplatform
    • Jetpack Compose
    • Coroutines
    • MVI
    • Clean Architecture
    • Dagger Hilt
    • Android Automotive
  2. March 2025 — December 2025

    WearOS Engineer · Freelance

    Designed and built a WearOS app for dental clinics, from requirements and architecture through to release.

    • WearOS
    • Jetpack Compose
    • Ktor
    • MVVM
    • Dagger Hilt
  3. May 2021 — September 2023

    SDK Developer · Fossil Vietnam

    Built a wearables framework from scratch for Fossil's smartwatch line, and owned its core modules for sensors, health, and location.

    • Android Framework
    • Java
    • Kotlin Multiplatform
    • Protocol Buffers
    • JNI
    • Bluetooth LE

Projects

  • Auto-Delete Screenshots

    Auto-Delete Screenshots

    A privacy-first utility that spots new screenshots and clears them on the schedule you set. Shipped on the Play Store through an automated release pipeline.

    Read the case study
    • Kotlin
    • Jetpack Compose
    • Foreground Services
    • ContentObserver
    • Espresso
    • GitHub Actions
  • SunVerta Translation App

    SunVerta Translation App

    A Kotlin Multiplatform translation app with text, live camera OCR, and two-way conversation, on Android and iOS.

    • Kotlin Multiplatform
    • Jetpack Compose
    • MVI
    • Coroutines
    • SQLDelight
    • Ktor
    • MLKit
    • CameraX
  • KMM File System

    KMM File System

    A small Kotlin Multiplatform library for working with the file system on Android and iOS. Published to Maven Central.

    • Kotlin Multiplatform
    • Maven Central
  • Personal Portfolio Template

    Personal Portfolio Template

    The site you're reading. Kotlin and Ktor, rendered server-side, running in Docker on a Raspberry Pi at home.

    • Kotlin
    • Ktor
    • FreeMarker
    • Tailwind CSS
    • Docker