Lars Butzmann, Software Developer in Berlin, Germany
Lars Butzmann

Software Developer in Berlin, Germany

Member since June 18, 2020
After starting a PhD in enterprise systems, Lars joined a startup in San Francisco to develop their analytics product. He has experience working remotely in the past with clients in NYC and in London. He enjoys working with everything related to data so much so that he considers himself a SQL hero. Lars also has used Python and begun using JavaScript/CoffeeScript since it allows for fast prototyping and still creates production-ready solutions.
Lars is now available for hire




Berlin, Germany



Preferred Environment

PyCharm, Git, ITerm, Sublime Text, OS X

The most amazing...

...project I've worked on allowed a brand to analyze their sales in a way they haven't even dreamed about before.


  • PhD Student

    2014 - PRESENT
    Hasso Plattner Institute
    • Conducted research that was focused on an enterprise system and their databases.
    • Worked with a multibillion-dollar CPG brand to understand and improve their reporting capabilities.
    • Created a prototype to simulate the companies business (profit/loss analysis) which allowed them to connect it to their actual data.
    • Published four papers about in-memory databases and the software using it.
    Technologies: SQL, JavaScript, Python
  • Director of Analytics

    2015 - 2018
    42 Technologies
    • Created a platform which helps retailers analyze hundreds of million of records.
    • Made weekly customer calls to discuss and plan features.
    • Added more than ten integrations to the platform, from Google Analytics to different POS systems to inventory.
    • Improved the query performance by rewriting the SQL and tuning the database.
    Technologies: SAP HANA, Spark, Python
  • Software Engineer

    2011 - 2014
    SAP SE
    • Analyzed customer data regarding patterns, distribution and data types, and created a summary.
    • Worked on a database for proteomics data.
    Technologies: SQL, R, JavaScript
  • Software Engineer

    2010 - 2011
    SAP SE
    • Created an available-to-promise prototype on SAPs new HANA database using JavaScript, Python, and SQL.
    • Built a data generator to create large data sets and realistic workloads for testing.
    • Set up a continuous integrations using Jenkins.
    • Presented results to internal SAP teams.
    Technologies: JavaScript, SQL, Python


  • Languages

    SQL, Bash, CoffeeScript, JavaScript, Python, R
  • Tools

    Git, Sublime Text, ITerm, PyCharm, Grunt, Jenkins
  • Platforms

    SAP HANA, Linux, OS X
  • Storage

    PostgreSQL, MySQL, MongoDB, SQLite
  • Other

    Data Engineering
  • Frameworks

    Apache Spark, Express.js, Django, Spark
  • Libraries/APIs

  • Paradigms



  • Master of Science Degree in IT Systems Engineering
    2011 - 2014
    Hasso Plattner Institute - Potsdam, Germany
  • Bachelor of Science Degree in IT Systems Engineering
    2007 - 2010
    Hasso Plattner Institute - Potsdam, Germany

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