Sven Buettner-Mobile & PHP Developer
Check rate
Experience
Xamarin & Windows Forms Developer
Deutsche Post AG
- Development using Xamarin for Android
- Windows Forms development
Windows 10 UWP & Xamarin Developer
itelligence AG
- Windows 10 UWP development
- Xamarin development
iOS & Android Developer
Heidelberg Mobil International GmbH
- iOS development including Cebit 2011 app
- Android development on various projects
iOS Developer
sovanta AG
- Worked on projects for SAP, MVV, LIDL, Beiersdorf and Tesa
iOS Developer
abcmedien GmbH
- Developed Suedzucker app
- Developed Söhne Mannheims app
- Worked on several other iOS projects
Owner
idevelopers.io
- Development of iOS applications
- Development of Android applications
- Development of Windows applications
- Development of web applications
Lead Developer & System Administrator
bluerate telecom GmbH
- Developed database-driven web applications using HTML, CSS, JavaScript and MySQL
- Performed server administration on Linux systems
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Professional Services, Transportation, Media and Entertainment, and Telecommunication.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Product Development.
Summary
I have over 15 years of experience in mobile and web development, working with technologies like Xamarin, UWP, iOS, and Android. I take pride in building robust applications across various industries, combining hands-on programming skills with an eye for practical problem-solving.
My background includes developing apps for well-known companies and handling complete project lifecycles, from design to delivery. I focus on creating efficient, user-friendly solutions while continuously honing my craft in both mobile and PHP development.
Skills
Swift
Swiftui
C#
Xamarin
.Net Maui
Flutter
Dart
Kotlin
Objective-C
C
.Net
Php
Html
Xml
Json
Laravel
Angularjs
Xcode
Visual Studio (Windows 10 & Mac)
Jetbrains Intellij
Android Studio
Git
Svn
Mysql
Sqlite
Ios
Swift
Uikit
Swiftui
Windows Uwp
Winui3
.Net
Maui
Flutter
Macos
Languages
Education
Fernuniversität Hagen
Bachelor of Science · Computer Science · Hagen, Germany
University of Heidelberg
Second State Examination, fully qualified lawyer · Law · Heidelberg, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Sven is based in Dossenheim, Germany.
Sven speaks the following languages: German (Native), Spanish (Native), English (Intermediate).
Sven has at least 20 years of experience. During this time, Sven has worked in at least 6 different roles and for 7 different companies. The average length of individual experience is 3 years and 10 months. Note that Sven may not have shared all experience and actually has more experience.
Based on recent experience, Sven would be well-suited for roles such as: Xamarin & Windows Forms Developer, Windows 10 UWP & Xamarin Developer, iOS & Android Developer.
Sven's most recent position is Xamarin & Windows Forms Developer at Deutsche Post AG.
In recent years, Sven has worked for Deutsche Post AG and idevelopers.io.
Sven is most experienced in industries like Information Technology, Professional Services, and Transportation. Sven also has some experience in Media and Entertainment and Telecommunication.
Sven is most experienced in business areas like Information Technology and Product Development.
Sven has recently worked in industries like Information Technology and Transportation.
Sven has recently worked in business areas like Information Technology and Product Development.
Sven holds a Bachelor in Computer Science from Fernuniversität Hagen.
The availability of Sven needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar freelancers
Discover other experts with similar qualifications and experience
Markus Demmler
Ahmet Cavus
Andre Fritzsche
Stefan Rantzuch
Cristian Serje reyes
Adam Richter
Daniel Friedrich
Marc Haid
James Cullimore
Ilker Baltaci
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Xamarin & Windows Forms Developer
Thomas Hoefkens
Jürgen Koller
Frank Stutzkowski
Michael Lechthaler
Dirk Volkmann
Michael Schick
Matthias Voigt
Dennis Kürschner
Andreas Spernol
Stefan Kohl
Nearby freelancers
Professionals working in or nearby Dossenheim, Germany
Michael Donatus
Jochen Gögel
Volker Foitzik
Rosa Garcia-Verdugo
Bernd Gruschka
Ulrich Seidel
Ari Schenck
Safey Haroun
Roger Böttcher
Dušan Žeželj
