Dec 2016 – Feb 2020 · 3 yrs 2 mos · Berlin Area, Germany

• Launched the Ada Android App - Achieved over 10 million downloads with a 4.6-star rating
• Built the Data Warehouse from the Ground Up - Designed and implemented the initial BigQuery-based data warehouse and Python ETL pipelines (later migrated to Airflow), enabling non-technical stakeholders in the company to run analysis workloads
• Developed Machine Learning Framework with an Ensemble Model for Manchester Triage System - Designed and deployed a scalable machine learning solution to support clinical triage decisions
• Led Strategic Integrations - Managed technical integrations with telemedicine providers and health insurers
• Built Care Navigation CMS - Served as lead developer for the content management system powering Ada’s care navigation pathways
• Created Symptom Search Engine - Led development of a machine-learning-based search experience for symptoms and conditions

Jan 2016 – Dec 2019 · 3 yrs 11 mos · Schriesheim, Deutschland

• Product Development support and consultancy in the areas of Software Development, Agency Assessment, Solution Architecture, Development Process and Technology Strategy.

Aug 2015 – Jan 2016 · 5 mos · Cologne Area, Germany

• We are helping Influencers to monetize their reach. We are helping retailers to sell more. We connect great brands to great customers.

Mar 2008 – Jul 2015 · 7 yrs 4 mos · Bonn Area, Germany

• Developed various Android apps (HotSpot Login, Travel & Surf, Postcard, Hotspot Finder, MyWallet, MyComoda) for millions of customers of Deutsche Telekom, developed backends in the telco backbone with Python, Go and Java, served in international teams as Scrum Master.
• Coached intrapreneurs in methodologies such as lean startup and agile software development and supported with prototype development and initial iterations using various technologies (Android, Python, Django, Postgresql).

Sep 2002 – Jul 2003 · 10 mos · Heidelberg

• Created a custom Linux distribution for an imaging (MRI, CT) laboratory of the radiology department of DKFZ using DICOM, OpenAFS, Kerberos & Debian.

Dec 2000 – Mar 2002 · 1 yr 3 mos · Sankt Leon-Rot, Baden-Württemberg, Germany

• System Development for a Linux Diskless Clients based environment for schools, universities and big offices. Linux, OpenAFS, Kerberos, PAM.

Aug 1998 – Sep 2000 · 2 yrs 1 mo

• Created Websites for clients in Arts & Entertainment and Industrial Manufacturing sectors mostly using HTML, Javascript & Perl during the .com boom times. Fell in love with a server-side templating technology called WML, the Website Meta Language, based on HTML, Perl5 and Makefiles... where has the time gone?