05/08/2026 updated

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Mobile Developer (iOS/Android/Flutter)

Curitiba, Brazil
Worldwide
Computer Science
Curitiba, Brazil
Worldwide
Computer Science

Profile attachments

cv.pdf

About me

Mobile Engineer mit 10+ Jahren Erfahrung in iOS, Android & Flutter. Arbeitete in Deutschland, USA und Brasilien. Deutsch auf professionellem Niveau. Gründer von SpinRide – 360°-Video für Achterbahnen.

FlutterAndroid (Software)Android Software DevelopmentAndroid StudioApple XcodeMobile Application DevelopmentXamarinMobile ServicesSwift (Programming Language)Google FirebaseKotlinDart
.net, Android Studio, Apache Tomcat, iOS, Xcode, C#, C++, CSS, Cocoapods, Continuous Delivery, Continuous Integration, Streaming, Database development, Databases, DevOps, Eclipse, UI / UX, XML, Firebase, Flutter, Git, Github, GitLab CI, Gradle, H.264, HTML, Computer Science, Json, Java, Jenkins, Kotlin, Material Design, Azure, SQL Server, Microsoft SQL Server, Visual Studio, mobile app, NetBeans, Objective-C, OpenGL, Pair Programming, Parsing, PostgreSQL, Programming languages, push notifications, RxJava, SQL, SQL Lite, Scrum, Bugs, SVN, Swift, SwiftUI, tablets, TFS, Http Client, WebService, Xamarin

Languages

GermanFluentEnglishFluentPortugueseNative speaker

Project history

Mobile app developer Android and iOS

CaptiVR GmbH
https://www.captivr.net
App for CaptiVR GmbH
* Development of an app (Android and iOS) to record and purchase 360
degree videos on roller coasters
* Development of our own Player within the app to stream ABS content
* 360 player, dynamic layouts, push notifications, payment
* On-site testing in Orlando
* Exhibition presentation in Brazil, USA and France
* Remote work
* Creation of the UI in coordination with the UI / UX expert

Applied Technologies
ABS | HLS | DASH | H.264 | Kotlin | Java | Swift | Cocoapod | Live Data |
Git | Azure Notification Hub | Azure | Scrum | Gradle | Firebase | Android
Studio | Xcode | TestFlight | DevOps | Zoom | ExoPlayer | MediaPlayer |
MonoscopicView | GLSurface | AVPlayer | SCNScene | Remote Notification |
Firebase | Dynamic Link | Deep Link

Problem solved
People riding a roller coaster don't need to wait in a queue to buy only a
printed picture of only one moment, instead, they use this app to scan a
QRCode placed on their seats and put the mobile away.
The intelligent camera solution combined with sensors on the rails will start
and stop recording at the right moment, sending a whole 360 degrees Video
of their own direct to their smartphones within seconds. Customers will get a
trailer of their Video and only will buy if they want to; no queue, no cash
needed, and they still can share it everywhere.

Mobile app developer Android and iOS

Tarent Solutions GmbH
https://www.tarent.de/
App for REWE-Beteiligungs-Holding International GmbH
* Further development of an existing app (Android and iOS) for Penny
and Billa to manage purchases and the presentation of special offers
* Localization for four European countries
* Creation of the UI in coordination with the UI / UX expert

Applied Technologies
Android | Material Design | Dagger2 | RxJava | Gradle | Firebase | Android
Studio | LiveData | Git | Swift | iOS | Xcode | TestFlight | GitLab CI | DevOps

Problem solved
Having a shopping list is amazing, but having one inside your own
supermarket app is way better. This app has the goods in a shopping list and
will navigate the customer to each item of his list (by using beacons inside
the shop), the items must be scanned with the app and paid at the end
directly within the app.

Mobile app developer Android and iOS

Tarent Solutions GmbH
App for REWE-Beteiligungs-Holding International GmbH
Further development of an existing app (Android and iOS) for Penny and
Billa to manage purchases and the presentation of special offers

Applied Technologies
Android | Material Design | Dagger2 | RxJava | Gradle | Firebase | Android
Studio | Git | Swift | iOS | Xcode | TestFlight | GitLab CI | DevOps

Mobile App-Entwickler Android and iOS

Carl Knauber Holding GmbH & Co. KG
Carl Knauber Holding GmbH & Co. KG

* Further development of an existing app (Android and iOS)
* Creation of the UI in coordination with the UI / UX expert

Applied Technologies
Android | Material Design | Dagger2 | RxJava | Gradle | Android Studio | Git |
Swift | iOS | Xcode | TestFlight | GitLab CI | DevOps

Android Developer

3doo Europe GmbH
* Development of the 3doo video player for 3D tablets and SmartTVs
(with native Java for Android)
* Creation of SQL reports, ListViews, PagerViews, Fragments
* Use of Android VideoView and MediaPlayer + SurfaceView for 360 °
and 3D video presentations
* SCRUM (2-week sprints, review / retro / planning meetings)
* Parsing from XML to Java classes

Applied Technologies
Android Presentation Class for TV connection | Progressive download |
Android Asynchronous Http Client | Lazy Load mit ION lib | cardboard lib von
Google für VR Entwicklung | Java | SQL | TFS | XML | VideoView |
MediaPlayer | OpenGL | SurfaceView

Problem solved
Customers could either watch 3D content on their TV or on their 3D
smartphones and tablets, the smartphone could also work as a controller
and broadcaster to the TV. For those who did't have either a 3D TV or
mobile, could simply use a Cardboard to transform an ordinary smartphone
into an amazing 3D personal Cinema.

Android Developer

Accenture
Project "Net Now" for Claro S.A.
* Further development of an existing "Net Now" app, implementation of
PlayVideo Streaming with native java, use of Android MediaPlayer
* Bugs fixes, AutoLogin development, WebService calls
* Implementation of UI adjustments
* Development at the customer

Applied Technologies
Android | Java | Git | Accenture Video Solution

Problem solved
Customers don't need to watch to this broadcast channel and its movies and
series on their TV anymore, watch on the go with any smartphone or tablet.

iOS/Android Developer

E-Deploy
* Development of the VoeAzul app (Android) for the airline Azul - Linhas
Aéreas Brasileiras
* Development of the UOL (https://www.uol.com.br/) Wallet app (iOS)

Applied Technologies
Objective-C | Java | REST | Json

Problem solved
Customers could do the checkin or anticipate their flights in the app, as
well as booking further services and choosing seats.

Trainee

Mystery Rock Store
* Development of an online shop
* Development of the UI and an admin area for product maintenance
* Integration of reporting functions
* Database development

Applied Technologies
C# | .net | PostgreSQL | SQL-Reports | HTML | CSS

Problem solved
Scale sales of a small rock shop in a small town to the entire country.

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