Björn Zielke

Software Developer, Administrator, Online Marketer

About me

My name is Björn Zielke. I am a Software Developer who is passionate about finding new business opportunities on the Internet.

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Skills

Software Development

Cross-platform applications which run equally well on Windows, Linux and MacOS.

Java
Perl
C#

Full Stack Web Development

I will guide you from an idea to a complete web application that you can access from mobile phones, tablets and desktop computers without installation.

HTML5
Javascript
REST
JavaEE

System Administration

I am a qualified system administrator by taking a formal 3-year on-the-job training. During those years, I was lucky enough to work on one of the biggest commercial systems in telecommunications.

Linux
Networking

Online Marketing

I have been active in online marketing since 2001. Having a technical background I focus on results, not talk. Strong ethics and knowledge of SEO pitfalls that could kill your online business is what seperates me from others.

SEO
SEM

Open Source Software

a2pdf

Anki is a spaced repetition software that allows you to create a deck of learning cards. Sadly, it does not have an export function. a2pdf exports your cards to PDF so you can easily print physical paper cards by using Adobe Reader or a similar PDF viewer.

Java
Anki
PDF export

Download
Documentation
Source code on Github

a2pdf

FH Nav Dortmund - Aktuelles Edition

FHNav is the most popular Android app for our university sitting at 1000-5000 installations from the Google Play Store with a rating of 4.4 stars plus a few hundred direct installations. It was developed by fellow students. In 2013 I added automatic notifications for news items from our university website among other features.

Android
RegEx
SQLite
FH Dortmund

Download
Source code on Github

MOJI

MOJI is a native Java client for MOSS, a source code plagiarism detection service by Stanford University. It can be easily integrated into existing Java based e-learning platforms. Used in MultiPlag.

Java
MOSS

Download
Documentation
Source code on Github

MOJI

DOPO

A straight-forward grade calculation tool for all C.S. Master programs at my university. I developed it to evaluate Backbone.js and because we never given a way to calculate grades that did not involve Microsoft Excel. Works without an internet connection and uses HTML5 Web Storage for persistence.

Javascript
Backbone.JS
grades

Demo
Source code on Github

dopo

MultiPlag

MultiPlag is a plagiarism detection software that I developed while writing my Bachelor thesis about source code plagiarism. It checks the code of students for signs of plagiarism or collusion in a programming assignment. You can choose up to 3 detection clients, namely JPlag (by KIT), MOSS (by Stanford University) and my own implementation on top of CPD.

Java
JPlag
MOSS
plagiarism

release coming soon.

dopo

Contact

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(c) 2014 Bjoern Zielke. Background image by pixel perfect digital.