Data Analyst (all genders) - 3-month Freelance Contract

Scope

Free knowledge leads to a fairer world. Wikipedia is the most important online knowledge collection of our time. The German Wikipedia alone records almost 1 billion page views per month for a total of 3 million articles. We - Wikimedia Deutschland e. V. - support the volunteers of Wikipedia and its sister projects, develop free software, such as Wikidata, and advocate for free access to knowledge, the opening of education and research, and more common good orientation in data policy.

Wikimedia Deutschland e.V. is seeking a skilled Data Analyst freelancer (all genders) for our Software Engineering department to assist us in understanding the space we operate in by analysing data. The freelancer will play a crucial role in providing us with valuable insights by analyzing data from various sources. 

The ideal candidate should have a strong background in data analysis, with the ability to identify patterns, trends, and opportunities and present findings in a clear and concise manner.

Relevant skills:

• Data analysis
• Data visualization
• Strong attention to detail
• Python
• Superset
• Hive
• Spark
• Airflow (plus)

General Conditions

• Seniority: Intermediate level

• Duration: 1 to 3 months

• Starting Date: October 2025

• Hours per week: tbd / we're not planning to hire full-time 
  

• Location: Germany / remote

Qualification

This is a medium-sized project that will require a commitment of 1 to 3 months. We are looking for an intermediate-level contractor who can work independently and deliver high-quality results within the given time frame.

Application

Please send us your CV and ideally portfolio through our job portal. We kindly ask you to refrain from application photos and information on date of birth, marital status and parents.

Wikimedia Germany is committed to equal opportunities and does not discriminate on the basis of, for example, ethnic origin, citizenship, religion or belief, political or other convictions, gender, age, disability, or sexual identity. We would like to address you in the way which feels most comfortable for you so please share your preferred name and pronouns if you wish.