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Data Analyst (contractor) Freelance

Published at 2017-01-17 - Viewed: 3922 times - Wikimedia Deutschland e.V. in Germany

Wikimedia Deutschland – Gesellschaft zur Förderung Freien Wissens e. V. is a non-profit organisation based in Berlin, Germany. With more than 80 employees and 35.000 members, it is the oldest and largest of more than 40 independent chapters of the international Wikimedia movement. The most well-known Wikimedia project, the free online encyclopedia Wikipedia, is used by millions of people across the world every day and is continuously updated and improved by millions of users.

Data Analysts at Wikimedia Deutschland e.V. support product managers, engineers and designers who build features, products and services used by hundreds of millions of people around the world. As experienced and hands-on Data Analyst you enable our communities to achieve our vision: a world in which every single human being can freely share in the sum of all knowledge.
You will join our Software Development Department where we work on Wikidata, a free collaborative, free licenced database to store the knowledge of the world. We also developing technical products & features for the german speaking Wikipedia around the MediaWiki software.

Our development teams are cross-functional, self-organizing and highly autonomous. They working directly with the product manager and our community.

As a Data Analyst, you will:

  • Work closely with product managers and UX researchers to maintain and improve detailed on-going analysis of the department’s products, their usage patterns and performance.
  • Write database queries and supporting code to analyze usage volume, user behaviour and performance data to identify opportunities and areas for improvement.
  • Collaborate with other analysts in the department to maintain our department’s dashboards, ensuring they are up-to-date, accurate, fair and focussed on representations of our product efficiency.
  • Support product managers through rapidly surfacing positive and adverse data trends, and complete ad hoc analysis support as needed.
  • Communicate clearly and responsively your findings to a range of departmental, organisational, volunteer and public stakeholders in order to inform and educate them.


  • Bachelor’s degree in Statistics, Mathematics, Computer Science or other scientific fields (or equivalent experience).
    Experience in an analytical role extracting and surfacing value from quantitative data.
  • Unerring eye for details and a passion for quickly delivering results to support PM and UX decisions.
  • Excellent written, verbal, scientific communication and time management skills.
  • Comfortable with working in a highly collaborative, consensus-oriented environment.
  • Proficiency with SQL and R or Python.
  • Remote work


  • Familiarity with Bayesian inference, MCMC, and/or machine learning.
  • Experience in editing Wikidata or Wikipedia or in working with online volunteers.
  • Familiarity with MediaWiki or other participatory production environments.
  • Experience with version control and peer code review systems.
  • Understanding of free culture / free software / open source principles.

All software we develop is open source, we also contribute back to various projects we use, including some of the ones listed above. Many of our components are also published in a format that allows reuse outside of our own projects.

To begin your application, please contact

Wikimedia Deutschland commits itself to the principles of equal opportunity and does not discriminate on the basis of ethnic origin, nationality, religion, political or other opinion, sex, age, disability or sexual identity or orientation.

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