Projects
A collection of professional and personal projects I've worked on over the years.
Featured Projects
Snowflake Intelligence
2025Helped bootstrap Snowflake's AI-powered analytics product from the ground up, focused on data visualization capabilities.
Glide Data Grid
2022-2025A high-performance React data grid component with rich editing capabilities and smooth scrolling for millions of rows.
Machine Learning Studio
2017-2021End-to-end collaborative development platform used internally at SAP to build, run, and scale machine learning solutions.
Machine Learning Tooling
2018-2021A collection of open-source machine learning tools to boost developer productivity. With many thousands of Github stars, downloads, and users.
Corona Warn App
2020Part of the team that bootstrapped the open-source Corona-Warn-App project at SAP - the official Covid19 app of Germany with 28 million downloads.
Enterprise Knowledge Graph
2013-2019Pioneered Knowledge Graph technology in the enterprise context, combining knowledge graphs with NLP and search technologies.
Other Projects
Machine Learning Workspace
2018-2021All-in-one web-based IDE specialized for machine learning and data science. Over 2k stars on GitHub and more than 800k downloads.
Opyrator
2021Open-source tool that turns Python functions into microservices with web API, interactive GUI, and more.
Best-of Lists
2020A tool to collect and generate lists of awesome libraries and tools. Lists are automatically ranked and updated.
Next-gen Enterprise Search
2015-2019A next-generation internal search application for companies, built on advanced knowledge graph and search technology.
Ticket Intelligence & Automation
2017-2019Built the first ML system for automating SAP's internal ticket systems with millions of tickets.
Deep Learning Berlin Meetup
2016-2018A meetup group for Berlin's Deep Learning community to discuss recent research, applications, tools, and projects.
Conversational Business Assistant
2015-2017Concept and implementation of a proactive digital assistant for the enterprise.
Newsstack
2016A simple news aggregator with smart features and a Tinder-like interface.
PokeFinder for Pokémon GO
2016Mobile app to help Pokémon GO players find rare Pokémon. Scaled from 0 to 500k daily active users within a week.
Drop
2014-2015A location-based social network that scaled to 10k users, later pivoted to a social travel journal.
SAP cFolders
2012-2013Implemented native mobile applications for SAP cFolders, a collaborative information sharing system.
Tibia for PSP
2007-2010Homebrew MMORPG game for PSP with more than 100k downloads. My first self-taught programming project.