Sebastian Kürten, Developer in Berlin, Germany
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Sebastian Kürten

Verified Expert  in Engineering

Google Play Store Developer

Location
Berlin, Germany
Toptal Member Since
October 6, 2015

Sebastian has been developing and publishing Android apps since 2011, and has 130 apps live on Google Play. He works on Java-based projects most of the time, building command-line tools, Swing user interfaces, and web applications. He's passionate about optimizing workflows and about automatization of recurring tasks.

Availability

Part-time

Preferred Environment

Vim Text Editor, Android Studio, Eclipse, Java, Git, Linux

The most amazing...

...project I've created is a system of offline Android mapping solutions.

Work Experience

Founder, Developer

2011 - PRESENT
Topobyte
  • Design a database format and query engine specialized on geographic vector data that can be used for storing OpenStreetMap data.
  • Implement complementary rendering libraries for Swing- and Android-based applications that produce raster images based on vector data from the database.
  • Create an Android application template that is used to create specific apps for more than 100 cities. The app offers offline maps and is accompanied with street and POI search.
  • Set up a database of countries, cities and regions with their administrative boundaries and other metadata relevant for creating localized apps.
  • Create a processing environment that uses the database of cities to generate Android applications, one for each city from the Android project template.
  • Implement an offline world map that shows countries and cities all over the world. The underlying database is a mashup of OpenStreetMap, NaturalEarth, and Wikipedia data.
Technologies: GIS, Java, Android

Intern

2008 - 2008
akquinet tech@spree
  • Merged projects from two different Bugzilla instances.
  • Got to know Subversion, Eclipse, Ant, and Java Generics as well as logging, testing, and tools for coding style.
  • Used the Collections framework extensively.
Technologies: Subversion (SVN), Eclipse, Java

Topobyte World Map & Atlas

https://play.google.com/store/apps/details?id=de.topobyte.apps.bms.atlas
A map of the world showing countries and cities. Includes metadata about countries like flags, population, currency etc.

Offline maps for various cities

https://play.google.com/store/apps/details?id=de.topobyte.apps.offline.stadtplan.berlin
Offline maps for more than 100 cities. Includes search functionality and GPS positioning.

LiveCG

http://page.mi.fu-berlin.de/sebkur/livecg.html
The name of LiveCG is an acronym: Live Interactive Visualization Environment for Computational Geometry. I developed this project for my master's thesis and it is a framework for visualizing algorithms from Computational Geometry. Visualizations for some important algorithms have been implemented, like for computing the convex hull of a set of points or for triangulating polygons.

Languages

Java, Python, Bash, SQL

Frameworks

Swing, AngularJS, JSON Web Tokens (JWT), Hibernate

Tools

Eclipse IDE, Android Studio, Gradle, Subversion (SVN), Vim Text Editor, GIS, Git

Platforms

Linux, Android, Eclipse

Other

Google Play Store, Computational Geometry, Commons, HTTPS

Libraries/APIs

OpenStreetMap API, Joda-Time

Paradigms

Spatial Databases

Storage

SQLite, PostgreSQL

2011 - 2014

Master's Degree in Computer Science

Freie Universität Berlin - Berlin

2007 - 2011

Bachelor's Degree in Computer Science

Freie Universität Berlin - Berlin

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