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Vinicius
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Vinicius

Barueri, SP, Brazil --:--:--

Vinicius is a Senior Mobile Engineer with over 5 years of professional experience focused on Android and Kotlin development. He has a strong background working with different languages and technologies such as Java, Jetpack Compose, Kotlin Flows, Coroutines, Koin Annotations, Retrofit/Ktor, and related tools. Even though he started out as a Java developer, he quickly became proficient at Android developing e-commerce applications, Card Machines, BLE Device simulators, and delivery applications (Cornershop) among others. Vinicius is an elite Android Engineer who is passionate about working with Kotlin and the Operational System and who is looking for a remote contract position.

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Skills
Years
1
2
3
4
5
6
7
8
9
10+
AWS
Firebase
Kotlin
Java
OOP
JetPack
Figma
Android
RxJava
Mockito
SQLite
Android SDK
JUnit
Git
Dagger
Coroutines
Jira
REST API
MVVM
Developer Personality

Independent

Collaborative

Trailblazer

Conservative

Generalist

Specialist

Planner

Doer

Idealist

Pragmatist

Abstraction

Control

100
50
0
50
100
Feature Experience

Refactoring architecture

Integration

Microservices

Deployment

MODERATE
EXTENSIVE
EXPERT
Cultural Experience

E-commerce

Banking

Retail

Entertainment

MODERATE
EXTENSIVE
EXPERT
Portfolio

MajorKey Technologies

Senior Android Developer

Categories

Work Experience : 2022 - Present

Responsible for building an application from scratch using Jetpack Compose, Kotlin, Koin, Coroutines, MVI, Moshi, Retrofit, Compose Navigation, Material Design 3 (You), and Kotlin Flow. The project is long-term so all the architecture decisions are made considering the app’s scalability.

  • Integrations: AWS Cognito, handling JTW and session. Sendbird UI Chat (messenger) Vimeo for video playback using Media 3 Exoplayer
  • Applying Clean Arch concepts, TDD, and UI Tests (Mock, JUnit 4, Espresso, Compose Testing)
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Plan A Technologies

Senior Android Engineer

Categories

Work Experience : 2021-2022

Native Android Development for casino and lottery gaming technology companies. He was responsible for designing application architecture and choosing which technologies to use in the projects.  Developed a Bluetooth Card Reader simulator from scratch, including the creation of Bluetooth Low Energy services, advertising, and communication through devices. The simulator receives commands, decrypts, and encrypts messages, makes validations about encryption (key signature), and has some options to change its behaviors

  • Worked with SDK for mobile apps, used for communication with Card Readers using encryption and Bluetooth Low Energy. Embedded Systems. Kotlin and Java were used as programming languages. Responsible for creating new commands, changing the legacy, and fixing bugs
  • Implemented SDK on the mobile Test app, using Clean Architecture, Coroutines, Flow, Shared Preferences, Jetpack Compose, Retrofit, and Room Database

 

 

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GO.K

Senior Android Developer

Categories

Work Experience : 2020-2021

Android Development for “Pernambucanas” E-Commerce applications. Responsible for developing new features, adding new screens to the app, fixing bugs, and other development tasks.

  • Participated in a big refactor in the Checkout flow, from bad MVP legacy code to Clean Arch MVVM
  • Published new versions of the application in PlayStore
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Iteris

Android Developer

Categories

Work Experience : 2018-2020

Worked as an Android developer for two projects: Rede – Payments 2.0 and C&A e-Commerce. Responsible for the development of multi-module projects with intensive coding for Unit Tests.

  • Participated in Scrum ceremonies
  • Code Reviews
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Other Roles

Categories

Work Experience : 2017-2021
  • Senior Android Engineer at Cornership by Uber (2021)
  • Freelance Android Developer at Lojong (2021)
  • Junior Java Developer at Visual Mix (2017-2018)

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