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Profilbild von Juergen Koller Swift, SwiftUI, Xamarin Software App Developer aus Heilbronn

Jürgen Koller

Heilbronn
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Letztes Update: 05.02.2024

Swift, SwiftUI, Xamarin Software App Developer

Firma: Jürgen Koller Software GmbH
Abschluss: nicht angegeben
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Muttersprache) | englisch (gut)

Schlagwörter

Dateianlagen

240108-CV-Bewerbung_050224.pdf
231116-App-Store-Prasentation-de_050224.jpeg
231116-App-Store-Prasentation-de_050224.jpeg
231116-App-Store-Prasentation-de_050224.jpeg
231120-iPhone-1290-2796-de_050224.png
231120-iPhone-1290-2796-de_050224.png
231120-iPhone-1290-2796-de_050224.png
231120-iPhone-1290-2796-de_050224.png
231120-iPhone-1290-2796-de_050224.png
231120-iPhone-1290-2796-de_050224.png
231120-iPhone-1290-2796-de_050224.png
231120-iPhone-1290-2796-de_050224.png

Skills

Swift, SwiftUI, Xcode, iOS, macOS, tvOS, watchOS, visionOS

Xamarin, Xamarin Forms, iOS, Android, UWP
NET, C#, Visual Studio, Visual Studio Mac

Projekthistorie

01/2024 - bis jetzt
iOS App: 'PDF Cnt Search'
Jürgen Koller Software GmbH (Internet und Informationstechnologie, < 10 Mitarbeiter)
https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=6472706694
01/2023 - 12/2023
macOS App: 'PDF Content Search'
Jürgen Koller Software GmbH (Internet und Informationstechnologie, < 10 Mitarbeiter)
https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=6447055043
01/2018 - 06/2020
Xamarin Frontend Developer
Working on a Android App transfer to Xamarin. Supported platforms are Android
and iOS with a single core project and MVVM pattern. Used technologies are
mobile services, data persistent and bluetooth communication.
01/2017 - 06/2020
Xamarin Frontend Developer
Working together with a .NET team as a frontend developer. The team consists
of frontend, backend, QA and UI/UX people. The team has a Scrum agile
approach. My job was to bring in the Xamarin knowledge to the team and give
the project a jump start.

Business: Augmented Reality Remote Service
Technology: Xamarin, C#, Xamarin Forms, Visual Studio, Visual Studio Mac,
iOS, Android, Windows UWP
01/2016 - 06/2020
Xamarin Developer
Working as Xamarin developer adding new features and removing bugs from a
existing Xamarin Android app with a native UI.

Business: Sports and Recreation
Technology: Xamarin C#, Xamarin Studio, Android
01/2016 - 06/2020
Xamarin Developer
Writing a new Xamarin app from scratch. It has a native UI for iOS and Android.
It's connected to a backend and has background services like GPS tracking.
01/2015 - 06/2020
Xamarin Developer
Writing new Xamarin iOS, Android app to give citizens the opportunity to directly
contact responsible persons from the government.

Business: Citizen Office
Technology: Xamarin C#, Xamarin Forms, Xamarin Studio, Android, iOS,
RESTful service, Azure Push Notifications
01/2014 - 06/2020
Developer
Xamarin; BORT GmbH
Writing new Xamarin iOS, Android and Windows Store app for BORT medical.
BORT uses the app for their external service providing them the latest product
news with 100% offline functionality.

Customer: BORT GmbH, Germany
Business: Medical Healthcare
Technology: Xamarin C#, Xamarin native UI for iOS, Android and Windows
Store, Visual Studio, Xamarin Studio, SQLite, custom data sync, offline HTML
layout rendering for product presentation.
01/2015 - 01/2016
Xamarin Developer
Business: Logistics and transportation
Technology: Xamarin C#, Xamarin Studio, iOS, Android

Xamarin Developer - 2016
App transfer from a native Windows Phone app to Xamarin. The app now
supports iOS, Android and Windows Phone. My job was the planning and
execution of the app transfer to Xamarin. I was able to to the transfer as single
developer within the given time frame and cost estimate.




Business: Logistics and transportation
Technology: Xamarin C#, Xamarin Forms, Xamarin Studio, Visual Studio, iOS,
Android, Windows Phone, SQLite database, RESTful service

Xamarin Developer - 2015
Connecting a existing Xamarin Android app to a new backend REST Api
service.

Business: Sports and Recreation


Technology: Xamarin C#, Xamarin native UI, Xamarin Studio, Android, RESTful
service, ServiceStack, mopub
01/2011 - 12/2013
Mac Objective-C Developer
Native MacOS app written in Objective-C for point to point data transfer without
the need for a cloud service.

Business: Tools and Utilities
Technology: Xcode, Objective-C, CocoaAsyncSocket.
01/2011 - 12/2013
iOS Objective-C Developer
Mac
Native MacOS app written in Objective-C for photo professionals letting them
easily distribute their photos. The distribution using a smartphone gives clients
the most easy way connecting to their clients. MyPic enables an easier selling
process for photos. Both the MacOS server application MyPicServer and the
client app MyPic can be loaded from the App Store.

Business: Tools and Utilities
Technology: Xcode, Objective-C
01/2011 - 12/2012
iOS Objective-C Developer
Writing new iOS app for BORT medical. BORT uses the app for their external
service providing them the latest product news with 100% offline functionality.

Business: Medical Healthcare

Reisebereitschaft

Verfügbar in den Ländern Deutschland, Österreich und Schweiz
Deutschland

Sonstige Angaben

https://www.linkedin.com/in/juergen-koller-software-gmbh/
Profilbild von Juergen Koller Swift, SwiftUI, Xamarin Software App Developer aus Heilbronn Swift, SwiftUI, Xamarin Software App Developer
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