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optilyz GmbH



optilyz GmbH



Neue Schönhauser Straße 19

10178 Berlin





Selma Djouchadar



Werkstudent im Bereich

IT, Telekommunikation


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Working Student – Data Science (m/f)

Über uns

We are optilyz

optilyz (www.optilyz.com) is Europe's first online platform enabling direct mail campaigns that work in the same way as email campaigns! We're growing rapidly, so we're looking for highly-motivated candidates to join our team!

A bit about us: our customers come from numerous different fields, including some of Germany's best eCommerce companies, as well as major local retail chains. We also place a lot of importance on working atmosphere and personal development at optilyz, making it a great place to work!

What we offer

  • Flexible working hours 
  • Opportunity to build a great, data driven company with us, that will fundamentally change direct mail across Europe 
  • Flat hierarchies and fast decision making processes 
  • A perfect environment for your personal and professional development 
  • The opportunity to make an impact and influence decisions early in the process 
  • A modern office in the heart of Berlin with plenty of space for productivity and creative ideas (fruits, hot and cold drinks included) 


About the Job

  • Build and improve an automated booking engine based on machine learning and data mining algorithms 
  • Combine business data with other data sources, such as socio-demographics and consumer/ structural data 
  • Provide data driven analysis on customer behaviour, segments, and explain emerging trends in data 
  • Build concepts and brainstorm with the team 
  • Work closely with our development team 


Your profile

Skills, Experience & Competencies:

  • Currently enrolled as a Master or Bachelor student in maths, physics, engineering or computer science in Berlin or the surrounding area 
  • Understanding of basic concept of machine learning 
  • Fluent in English, German skills are a plus 
  • Creativity in problem solving, strong analytical and logical skills 
  • Entrepreneurial spirit, pro-active and a hands-on attitude

Technical/Data Science Know-How:

  • Experience with Python 
  • Experience in Data Mining and Analysis of Data / Interpretation Results 
  • Knowledge of NoSQL database (e.g. MongoDB) is a plus 
  • Understanding of basic Web Technologies (HTML, Security, etc.) is a plus 

Up for a challenge?

We are looking forward to receiving your convincing application in English or German! Send your application to recruiting@optilyz.com. Your contact person is Selma.