Christopher Grebs

Berufserfahrung von Christopher Grebs

• Bis heute 8 Jahre und 8 Monate, seit Okt. 2015

  Senior Web Engineer

  Mozilla

• Bis heute 11 Jahre, seit Juni 2013

  Consulting & Software Development

  Freelancer

• 4 Monate, Juli 2015 - Okt. 2015

  Senior Backend Developer

  AJNS New Media GmbH

• 1 Jahr und 5 Monate, Feb. 2014 - Juni 2015

  Senior Backend Developer

  Moccu GmbH & Co. KG, Kreativagentur für digitale Medien

• 6 Jahre und 11 Monate, Aug. 2007 - Juni 2014

  Volunteer: Leader and member of the webteam of ubuntuusers.de

  ubuntuusers.de

  Rewritten the complete platform that now powers the portal since July 2008. Designed the frontend, redesigned and adapted to modern web technologies. Specification, Architecture, Implementation and Coordination. Inyoka combines a Wiki, a Newsplatform, a Planet as well as a complete buletin board and is written in Python with the help of various Open Source libraries. I managed a team of 10 developers, communicate with the whole ubuntuusers.de community and coordinate the development process.

• 8 Monate, Juni 2013 - Jan. 2014

  Backend Engineer

  TinyCo Studio Inc

  Backend related work for all current and future games, including the official FamilyGuy mobile game, Spellstorm, Tiny Monsters and more. Introduced a new documentation infrastructure and improved documentation in almost every code-related aspect of the company. Created the infrastructure for AWS based autoscaling to easily scale cost-efficient up to 20M+ daily active users. Reworked and automated the deployment using Puppet. Work was done using Python, Django, Go, JavaScript, SQL, MySQL.

• 4 Monate, Feb. 2013 - Mai 2013

  Senior Software Developer

  PaperC GmbH

  Launched a complete new infrastructure based on a new vision. Creating a complete JavaScript SPA. Designed prototypes for mobile, tablet and desktop frontend. Working on the backend, tools to management ePubs, create statistics and more. Work was done using Python, JavaScript, Django, SQL, PostgreSQL

• 1 Jahr und 8 Monate, Juli 2011 - Feb. 2013

  Data Processing Developer

  Native Instruments GmbH

  Designed and implemented the Frontend and Backend of internal tools to manage the software development and deployment cycle. Development and maintainance of internal business critical data storage and statistic systems. Design, Implementation and an maintainance of a new update manager system to enable in-app updates. Work was done using Python, Zope, Django, Flask, SQL, PostgreSQL, RabbitMQ and CouchDB

• 5 Monate, Feb. 2011 - Juni 2011

  Python Developer

  chocri GmbH

  Development of a new backend system to manage customers, invoices and orders. It is also used to aggregate statistics for the whole business process. Implementation of the frontend using modern HTML 5 and JavaScript. Maintainance and development of the webpage and the backend server infrastructure. Python, Django, JavaScript, HTML5, CSS3, MySQL.