PhD Student
2014 - PRESENTHasso 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, PythonDirector of Analytics
2015 - 201842 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, PythonSoftware Engineer
2011 - 2014SAP SE- Analyzed customer data regarding patterns, distribution and data types, and created a summary.
- Worked on a database for proteomics data.
Technologies: SQL, R, JavaScriptSoftware Engineer
2010 - 2011SAP 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
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
Portfolio
- Hasso Plattner InstituteSQL, JavaScript, Python
- 42 TechnologiesSAP HANA, Spark, Python
- SAP SESQL, R, JavaScript
Experience
- Python 8 years
- SQL 7 years
- Git 7 years
- MySQL 7 years
- SAP HANA 5 years
- PostgreSQL 5 years
Availability
Part-time
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.
Employment
Skills
Languages
SQL, Bash, CoffeeScript, JavaScript, Python, RTools
Git, Sublime Text, ITerm, PyCharm, Grunt, JenkinsPlatforms
SAP HANA, Linux, OS XStorage
PostgreSQL, MySQL, MongoDB, SQLiteOther
Data EngineeringFrameworks
Apache Spark, Express.js, Django, SparkLibraries/APIs
Node.jsParadigms
Scrum
Education
- Master of Science Degree in IT Systems Engineering2011 - 2014Hasso Plattner Institute - Potsdam, Germany
- Bachelor of Science Degree in IT Systems Engineering2007 - 2010Hasso Plattner Institute - Potsdam, Germany
