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João
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João

Vitória, Espírito Santo, Brazil --:--:--

João Reis is a Senior Android Developer with over 5 years of professional experience, with expertise in mobile app architecture and testing. During his career he has worked mostly with Fintech and Banking companies, even participating in creating an app from scratch in one of those experiences, and has also created media-focused apps, for both televisions and mobile devices. João is an elite mobile developer who is passionate about solving complex and abstract problems and creating valuable products for the end user looking for a Senior Mobile Developer position.

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Skills
Years
1
2
3
4
5
6
7
8
9
10+
RxJava
JavaEE
Kotlin Coroutines
MVVM
Android
Scrum
Linux
MVI
Integration Testing
C
Kotlin
Jetpack
ShellScript
SOAP
Clean Architecture
Koin
Java
Spring
C++
JUnit
Unit Testing
JBoss
Python
Retrofit
WebLogic
AI
OkHTTP
OSB
Machine Learning
Glide
SOA
REST
Delphi
SQL
TDD
Room
Developer Personality

Independent

Collaborative

Trailblazer

Conservative

Generalist

Specialist

Planner

Doer

Idealist

Pragmatist

Abstraction

Control

100
50
0
50
100
Feature Experience

P2P Financial Transactions

Search

Android Mediaplayer customization

Microservices

MODERATE
EXTENSIVE
EXPERT
Cultural Experience

Agile - Scrum

Fintech

Banking

Media

MODERATE
EXTENSIVE
EXPERT
Portfolio

Hearst Television

Senior Android Engineer

Categories

Work Experience : 2020 - Present

He was responsible for developing new features and maintaining two applications. One of them was an OTT App, focused on media streaming for both TV and mobile devices.  The other was a white-label TV Station app, focused on media, news, and weather-related content.

  • Created the setup/tech stack for our testing suite
  • Created the “Premium content” feature, which consisted of curated and company-produced media content

Tools and Frameworks:  Kotlin, Java, Several Ads and Analytics SDKs, Exoplayer, MVVM, Clean Architecture, Coroutines, Koin, Junit, Unit and Instrumented Tests, Jetpack, Room, Retrofit, OkHttp, Glide, Android.

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PicPay

Android Developer

Categories

Work Experience : 2019-2020

Worked with a Squad to develop, maintain, and design features focused on the peer-to-peer instant payment experience using a clean architecture approach and patterns such as MVVM, MVI, Repository, and others in the Kotlin programming language.

  • Development of unit and integration tests
  • Participated on the creation of the PIX feature, which consists of nation-wide available P2P instant payment in Brazil
  • Helped creating an environment that allowed 40+ developers to work on the same project with way less day to day friction and conflicts

Technologies and Tools:  Kotlin, Java, MVVM, MVI, Clean Architecture, Rx Java, Koin, JUnit, Unit and Instrumented Tests, Jetpack Libraries, Retrofit, OkHTTP, Glide

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Will Bank

Android Developer

Categories

Work Experience : 2017-2019

Worked in an “end-to-end” Scrum team that developed new features and maintained a mobile app for financial services and credit card issuing, “Will Bank”.

  • Migration from Java to Kotlin for the app codebase
  • Planning and creating a new application from scratch, with the same feature set as the previous one

Languages and frameworks: Java, Kotlin, SQL, REST web services, Android Jetpack, MVVM, Unit and Integration Testing, TDD, Scrum

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Previous Roles

Categories

Work Experience : 2012-2018
  • Backend Intern at Meu Pag! (2017-2018)
  • Software Engineer Intern at Núcleo de Inferência e Algoritmos – UFES (2013-2015)
  • Scholarship Holder at Laboratório de Administração de Redes, UFES (2012)

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