Project management and development for HKL-Baumaschinen (Drupal CMS), HKL-Baushop (OXID eShop) & HKL-Used (QUIQQER CMS).

The websites allow the rental and purchase of construction machinery and equipment.

QUIQQER is a flexible content management system developed by PCSG. It's a fast and easy way to realize complex projects and the backbone of many websites and shops

I helped build it from the ground up by writing extensions, fixing bugs and lots of testing.

Bauforum24.biz is one of the leading communities for construction(-machinery).

It's based on the Invision Community Platform. I was responsible for a major software upgrade, a complete rework of the theme and the integration of a video-portal into the site.

Farrado is a distributor of premium pet food.

Their webshop is powered by OXID eShop. I integrate new features, deal with technical issues, keep everything up to date and communicate the necessary tasks with Farrado.

Chrestos is a statistical health consultancy. Many large and well-known companies are their business partners.

I offer technical support for their WordPress-based website and integrate new features into it.

neXGam is a blog and forum about old and modern video games based on the WoltLab Suite.

A major upgrade of the forum software and a rework of the design were done by me.

The Marasim Spa offers oriental hamam treatments at the highest standard.

To manage booking the Spa uses SimplyBook.me. I set up the booking system and coordinated the needs of the customer with the tasks of multiple employees working on an additional website and shop.

brassberg is a supplier of high quality brass and stainless steel fittings.

The online store is based on OXID eShop. I integrate new features, coordinate the tasks of different employees working on the shop and fix technical problems.

Sequry is a password manager developed by PCSG. A main feature and unique selling point is the sharing of passwords with other users and groups.

In my bachelor thesis I searched, found and resolved security flaws of Sequry.

NerdSpot is a calendar/tool that informs about nerdy events of the current day.

I helped develop its calendar features as part of a hackathon at PCSG.

STEEMPUNK-NET was an MMORPG based on the Steem blockchain that could be played in the browser.

I helped develop the game as part of a hackathon at PCSG.

Startup Promotion List is an iOS and Android app based on the Ionic Framework. It shows sites that can be used to promote products and helps track which sites were already used.

Based on an intern's project I re-wrote and redesigned the entire app.

IBAN-Test is a website and API to validate and generate IBANs.

It was one of my first projects at PCSG where I built and designed it from scratch. As an intern is porting it now to QUIQQER I act as an instructor.

my.eListing is a website that generates embeddable sliders with images and information of an eBay user's auctions.

This was my first project at PCSG where I helped extend the site with more modern sliders.

Passdora is a small ready-out-of-the-box on-premise server hosting Sequry.

During an internship, I designed, build, configured, developed and tested the system based on a Raspberry Pi.