Career Profile

Donizete is a skilled Android Fullstack software engineer with over 6 years of experience, having contributed to industry leaders like Samsung and Motorola. This background includes expertise in both Android app development as well as AOSP through hands-on improvements to Android’s internal mechanisms. Well versed in the full spectrum of Android development—from foundational concepts to technical constraints—Donizete is dedicated to mastering the details and sharing insights, making complex topics accessible to colleagues and fostering a collaborative learning environment.

Experiences

Android Developer Consultant

03/2025 - Present
Volvo Trucks, Gothenburg, Sweden - On-site

Working as a software consultant, developing and maintaining Volvo Trucks AAOS apps.

  • Kotlin
  • C++
  • CarProperty
  • RRO
  • AAOS

Android AOSP Developer

06/2023 - 03/2025
Brightgrove, Ukraine - Remote

Working as a AOSP platform developer, by creating new extensions to fit product needs. Also, working as a Android developer by creating privileged applications to leverage our own platform.

  • Kotlin/Java
  • Dagger2/Hilt
  • Binder IPC/RPC
  • TV Stack

Android AOSP Developer

01/2022 - 06/2023
Venturus, Campinas - Brazil

Working for Motorola Mobility with Android Open Source Project (AOSP).
Creating and extending AOSP modules, by using its internals privileged API’s to provide user a better experience.

  • Kotlin/Java
  • Dagger2/Hilt
  • Binder IPC/RPC

Android Application Developer

11/2020 - 01/2022
SIDI, Campinas - Brazil

Android application developer on Samsung Knox project.
Responsible for all design implementation details, such as activity, fragment and services management.
Making usage of privileged API’s to achieve user necessities.

  • I created a pure Kotlin library to transform all callback based location methods into a synchronous Java call.
  • Java/Kotlin
  • Room
  • Navigation API
  • MVVM/SOLID
  • Single activity application

Android Application Developer

03/2020 - 11/2020
Stefanini, Campinas - Brazil

Working on Shell Box Android project.
Shell Box is a LATAM mobile application designed to facilitate gas station payment process.
Responsible for implement all related customer features.

  • Java/Kotlin
  • Room
  • Navigation API
  • MVVM/SOLID

Android Application Developer

01/2018 - 3/2020
Solvian, Campinas - Brazil

Working on an user management application.
Responsible for discuss, analyze and implement required features.

  • Java/Kotlin
  • greenDAO
  • MVP/SOLID

Certifications

Formacao em Android Embarcado

2022 - 2022
Embedded Labworks

https://www.linkedin.com/in/sprado/

Projects

My personal projects that I truly feel proud

turing-smart-screen-rust - A display protocol implemented in Rust
translucent-sdl3 - My personal tool to create floating transparent JPEG/PNG windows, to help me with figma design implementations. Written using C and SDL3.
ShaderPaper - An Android app that puts an OpenGL ES shader as your paper. It wastes battery.
KomicReader - A CBR/CBZ comic book reader.
android-so-graph-python - A python script that collects all shared libraries from the Android OS and generates a visual dependency graph. It laggs.
dirk - A minimal KSP compiler to explore dagger/hilt internals.
fast-json - A KSP compiler to generate a compile time JSON parser, without reflection.
kash - A minimal Koin implementation, allowing you to create containers and inject dependencies. Simple, reflection based.
android_device_donizete - My AOSP products, in order to explore the build system and how to tweak my own products.
CarlSystemUI - An example that shows how to extend the SystemUI/CarSystemUI, without changing its original source code.

OSS Contributions

cinkhangin/composable - An open-source Android app showcasing Jetpack Compose UI components and interactions for learning and inspiration.

Skills & Proficiency

Kotlin

Java

Dart

Rust

C

C++