Sven Buettner - Mobile & PHP Developer

Q: Where is Sven based?

Sven is based in Dossenheim, Germany .

Q: What languages does Sven speak?

Sven speaks the following languages: German (Native), Spanish (Native), English (Intermediate) .

Q: How many years of experience does Sven have?

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.

Q: What is Sven's latest experience?

Sven's most recent position is Xamarin & Windows Forms Developer at Deutsche Post AG .

Q: What companies has Sven worked for in recent years?

In recent years, Sven has worked for Deutsche Post AG and idevelopers.io .

Q: Which industries is Sven most experienced in?

Sven is most experienced in industries like Information Technology , Professional Services , and Transportation . Sven also has some experience in Media and Entertainment and Telecommunication .

Q: Which business areas is Sven most experienced in?

Sven is most experienced in business areas like Information Technology and Product Development .

Q: Which industries has Sven worked in recently?

Sven has recently worked in industries like Information Technology and Transportation .

Q: Which business areas has Sven worked in recently?

Sven has recently worked in business areas like Information Technology and Product Development .

Recommended expert

Dossenheim, Germany

Experience

Jan 2021 - Dec 2023

3 years

Bonn, Germany

Xamarin & Windows Forms Developer

Deutsche Post AG

Development using Xamarin for Android
Windows Forms development

Jan 2015 - Dec 2019

5 years

Bielefeld, Germany

Windows 10 UWP & Xamarin Developer

itelligence AG

Windows 10 UWP development
Xamarin development

Feb 2011 - Dec 2019

8 years 11 months

Walldorf, Germany

iOS & Android Developer

Heidelberg Mobil International GmbH

iOS development including Cebit 2011 app
Android development on various projects

Dec 2010 - Dec 2016

6 years 1 month

Heidelberg, Germany

iOS Developer

sovanta AG

Worked on projects for SAP, MVV, LIDL, Beiersdorf and Tesa

Jan 2010 - Dec 2012

3 years

Heidelberg, Germany

iOS Developer

abcmedien GmbH

Developed Suedzucker app
Developed Söhne Mannheims app
Worked on several other iOS projects

Feb 2009 - Present

17 years 3 months

Dossenheim, Germany

Owner

idevelopers.io

Development of iOS applications
Development of Android applications
Development of Windows applications
Development of web applications

May 2005 - Dec 2007

2 years 8 months

Heidelberg, Germany

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.

Information Technology

Professional Services

Transportation

Media and Entertainment

Telecommunication

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology and Product Development.

Information Technology

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

German

Native

Spanish

Native

English

Intermediate

Education

Oct 2020 - Present

Fernuniversität Hagen

Bachelor of Science · Computer Science · Hagen, Germany

University of Heidelberg

Second State Examination, fully qualified lawyer · Law · Heidelberg, Germany

Statistics

Experience

Total positions 7

Experience in Information Technology 17 y

Avg length 6 y 6 m

Longest experience 17 y 2 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Xamarin & Windows Forms Developer, Windows 10 UWP & Xamarin Developer, iOS & Android Developer

Main industries Information Technology, Professional Services, Transportation

Main business areas Information Technology, Product Development

Qualifications

Highest degree Bachelor

Profile

Created

April 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Sven based?

Sven is based in Dossenheim, Germany.

What languages does Sven speak?

Sven speaks the following languages: German (Native), Spanish (Native), English (Intermediate).

How many years of experience does Sven have?

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.

What roles would Sven be best suited for?

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.

What is Sven's latest experience?

Sven's most recent position is Xamarin & Windows Forms Developer at Deutsche Post AG.

What companies has Sven worked for in recent years?

In recent years, Sven has worked for Deutsche Post AG and idevelopers.io.

Which industries is Sven most experienced in?

Sven is most experienced in industries like Information Technology, Professional Services, and Transportation. Sven also has some experience in Media and Entertainment and Telecommunication.

Which business areas is Sven most experienced in?

Sven is most experienced in business areas like Information Technology and Product Development.

Which industries has Sven worked in recently?

Sven has recently worked in industries like Information Technology and Transportation.

Which business areas has Sven worked in recently?

Sven has recently worked in business areas like Information Technology and Product Development.

What is Sven's education?

Sven holds a Bachelor in Computer Science from Fernuniversität Hagen.

What is the availability of Sven?

Sven will be available from April 2026.

What is the rate of Sven?

Sven's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Sven?

To hire Sven, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200

900

600

300

Market avg: 944-1104 €

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Similar Freelancers

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Experience

Xamarin & Windows Forms Developer

Deutsche Post AG

Windows 10 UWP & Xamarin Developer

itelligence AG

iOS & Android Developer

Heidelberg Mobil International GmbH

iOS Developer

sovanta AG

iOS Developer

abcmedien GmbH

Owner

idevelopers.io

Lead Developer & System Administrator

bluerate telecom GmbH

Industry Experience

Business Area Experience

Summary

Skills

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

Where is Sven based?

What languages does Sven speak?

How many years of experience does Sven have?

What roles would Sven be best suited for?

What is Sven's latest experience?

What companies has Sven worked for in recent years?

Which industries is Sven most experienced in?

Which business areas is Sven most experienced in?

Which industries has Sven worked in recently?

Which business areas has Sven worked in recently?

What is Sven's education?

What is the availability of Sven?

What is the rate of Sven?

How to hire Sven?

Average rates for similar positions

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