Alexander Riemer

Freiberuflich, Senior Data Scientist (Remote), Freelance

Berlin, Germany


Data Science
Machine Learning
Big Data
Apache Spark
Apache Hive
Data Mining
Natural language processing
Microsoft Office
Data Analysis
Agile Software Development


Professional experience for Alexander Riemer

  • Current 5 years, since Jun 2019

    Senior Data Scientist (Remote)


  • 1 year and 6 months, Dec 2017 - May 2019

    Senior Data Scientist

    Cornelsen Verlag GmbH

  • 2 years and 11 months, Jan 2015 - Nov 2017

    Data Scientist

    GfK SE

  • 2013 - 2014

    Data Analyst


    • (Big data) analysis of market research data to optimize business insight for international customers. • Development of optimizations and automations of various operational processes. • Implementation of improved operational processes in various international locations. • Management of various (long-term) projects in the operations department. • Coordination of day-to-day activities of the Dutch team and the support team in India.

  • 2011 - 2012

    Junior Consultant

    Ortec Finance

    • Business consultant working for six international clients, such as Delta Lloyd and Allianz. • Implementation of database-based investment evaluation solutions for new clients • Updates of systems of existing clients. • Problem and data analysis of and support for investment evaluation systems of clients. • Development and testing of software updates to include additional functionality.

  • 1 year and 3 months, Sep 2009 - Nov 2010

    Visiting graduate researcher

    FOM Institute AMOLF

    • Two scientific articles published in high impact peer reviewed international scientific journals. • Coordination of research project with chemical researchers from Utrecht University • Regular presentations of scientific results to collaborators and colleagues • Chemical application of non-linear vibrational micro-spectroscopy: characterization and quantification of heterogeneous catalytic chemical reactions used in renewable energy industry. • Scientific training of new colleagues.

  • 2 years and 2 months, Jul 2007 - Aug 2009

    Student research assistant

    Max Planck Institute for the History of Science

    • Support of research staff in daily activities and organization of international conferences. • Administration of research database for ’History and Foundations of Quantum Physics’ project. • LaTex processing of conference publications / book.

Educational background for Alexander Riemer

  • 3 months, May 2014 - Jul 2014

    Data Science

    Data Science Retreat

    3 month full-time boot camp for machine learning, predictive modeling, big data technologies (Hadoop), data presentation and product skills. Lectures by industry professionals with focus on application. For the full curriculum:

  • 2008 - 2008


    Universität Wien

    Erasmus exchange semester

  • 6 years, Apr 2005 - Mar 2011


    Freie Universität Berlin

    Minor: Economics (Introductory micro- and macroeconomics, game theory, industrial economics) / Mandatory elective: Mathematical physics


  • English


  • German

    First language

  • Dutch


  • Vietnamese


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