David Witkowski

David Witkowski Email and Phone Number

Analytics Engineer @ BlaBlaCar
David Witkowski's Location
Strasbourg, Grand Est, France, France
David Witkowski's Contact Details

David Witkowski work email

David Witkowski personal email

n/a

David Witkowski phone numbers

About David Witkowski

I make things with data

David Witkowski's Current Company Details
BlaBlaCar

Blablacar

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Analytics Engineer
David Witkowski Work Experience Details
  • Blablacar
    Analytics Engineer
    Blablacar Nov 2023 - Present
    Paris, Fr
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  • Sevdesk
    Analytics Engineer
    Sevdesk Jun 2022 - Oct 2023
    Offenburg, Baden-Württemberg, De
    Consolidating the data stack: introducing CI (SQLFluff as formatter, Slim CI for model validation) to cope with the growth of the dbt project (>500 models), onboarding and mentoring more analysts in data modeling topics. Setting standards for central documentation, dashboarding and data visualizations.
    View
  • Sevdesk
    Data Analyst
    Sevdesk Oct 2020 - Jun 2022
    Offenburg, Baden-Württemberg, De
    Rolling out Looker as new BI tool: establishing a single source of truth, complete re-modeling of our dbt project in a Kimball-lite approach (in cooperation with consultants from dbt Labs). Rolling out Metabase as second-order BI tool. Rolling out Hightouch as Reverse ELT tool. Growing the core data team from 2 to 7, introducing agile workflows.
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  • Sevdesk
    Junior Data Analyst
    Sevdesk Oct 2019 - Sep 2020
    Offenburg, Baden-Württemberg, De
    Second data hire, taking over from the first leaving the company. Being the only data person, I do everything related to the data pipeline: EL with third party tool Stitch, Custom EL with Singer.io, data transformation in dbt, BI in Klipfolio. Topics include SaaS metrics, marketing attribution, product analysis, ...
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  • Université De Strasbourg
    Scientific Assistant In The Field Of Health Data
    Université De Strasbourg Mar 2019 - Jul 2019
    Strasbourg, Grand Est, Fr
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  • Infas Institut Für Angewandte Sozialwissenschaft Gmbh
    Intern In Project And Data Management
    Infas Institut Für Angewandte Sozialwissenschaft Gmbh Oct 2018 - Dec 2018
    Bonn, De
    • Data analysis and data preparation• Preparation of studies in the field of social research• Hospitation during trainings
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  • University Of Pennsylvania, University Of Berkeley California
    Research Assistant In Empirical Field Research
    University Of Pennsylvania, University Of Berkeley California Jul 2018 - Aug 2018
    Research assistant for a study on the influence of social norms on the perception of migrants in Germany
  • Universität Zu Köln
    Teaching Assistant For Statistics
    Universität Zu Köln Apr 2017 - Sep 2017
    Cologne, North Rhine-Westphalia, De
    Teaching assistant in the context of the course "Introduction to Social Science Data Analysis"
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  • Gesis - Leibniz-Institut Für Sozialwissenschaften
    Scientific Assistant In Data Management
    Gesis - Leibniz-Institut Für Sozialwissenschaften Apr 2017 - Sep 2017
    Mannheim, Baden-Württemberg, De
    Collaboration in the ALLBUS team:• Data preparation and analysis• Creating Variable Reports• Literature research
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  • Käte Hamburger Kolleg „Recht Als Kultur“
    Studentische Hilfskraft
    Käte Hamburger Kolleg „Recht Als Kultur“ May 2016 - Aug 2016
    Editorial activities, literature research
  • Rheinische Friedrich-Wilhelms-Universität Bonn
    Teaching Assistant For Statistics
    Rheinische Friedrich-Wilhelms-Universität Bonn May 2016 - Aug 2016
    Bonn, North Rhine-Westphalia, De
    Teaching assistant in the context of the course "Introduction to Statistics".
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  • Bundeszentrale Für Politische Bildung
    Studentische Hilfskraft
    Bundeszentrale Für Politische Bildung Dec 2013 - Sep 2015
    Activity in the Communication Unit:• citizen and customer relations• external communication
  • Friedrich-Ebert-Stiftung
    Praktikant
    Friedrich-Ebert-Stiftung Oct 2011 - Dec 2011
    Bonn, Nordrhein-Westfalen, De
    Support in the organisation of events
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  • Riviera-Côte D’Azur-Zeitung
    Praktikant
    Riviera-Côte D’Azur-Zeitung Sep 2011 - Oct 2011
    Journalistic activity

David Witkowski Skills

R Python Sql Data Analysis Data Management Research Quantitative Sozialforschung Analytics Data Visualization Machine Learning Latex Stata Spss Linux Css Html Microsoft Excel Textanalyse Paneldatenanalyse Mehrebenenanalyse Statistical Methods Open Data Geographic Information Systems Mongodb Tableau Inkscape

David Witkowski Education Details

  • University Of Cologne
    University Of Cologne
    Sociology And Social Research
  • The University Of British Columbia
    The University Of British Columbia
    Exchange Semester
  • University Of Warsaw
    University Of Warsaw
    Erasmus Semester
  • The University Of Bonn
    The University Of Bonn
    Politik Und Gesellschaft

Frequently Asked Questions about David Witkowski

What company does David Witkowski work for?

David Witkowski works for Blablacar

What is David Witkowski's role at the current company?

David Witkowski's current role is Analytics Engineer.

What is David Witkowski's email address?

David Witkowski's email address is da****@****ans.com

What is David Witkowski's direct phone number?

David Witkowski's direct phone number is (800) 251*****

What schools did David Witkowski attend?

David Witkowski attended University Of Cologne, The University Of British Columbia, University Of Warsaw, The University Of Bonn.

What skills is David Witkowski known for?

David Witkowski has skills like R, Python, Sql, Data Analysis, Data Management, Research, Quantitative Sozialforschung, Analytics, Data Visualization, Machine Learning, Latex, Stata.

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