Axel Budde

Axel Budde

Shiny Developer/Health Data Visualisation Expert/Data Scientist

Biography

I am a psychologist whose interests include epidemiology, methodology, statistics, and data science.

Interests
  • Epidemiology
  • Methodology & Statistics
  • Data Science
Education
  • PhD Candidate in Epidemiology (2019-2027), 2027

    Rheinische Friedrich-Wilhelms-Universität Bonn, Faculty of Medicine, Germany

  • MSc in Psychology (With Honours), 2004

    Universiteit van Amsterdam (UvA), The Netherlands

  • Diplôme de Sciences Criminelles, 1997

    Université de Pau et des Pays de l'Adour, Pau, France

Skills

shiny Shiny
Data Science
R
Python
SQL

Recent Projects

 
 
 
 
 
Hubmetrics – Time Series Analysis
Python Project
January 2024 – December 2025

Analysis of temporal coordination patterns in airline schedule data

  • Tech stack: Python, Pandas, NumPy, SciPy, Jupyter
  • Processed 35,000+ timestamped records
  • Statistical pattern detection (T-pattern detection, 70,000+ validated patterns)
  • Reproducible workflows (CLI tool + Jupyter notebooks)
  • Multi-level KPIs, segmented analysis, binomial hypothesis testing
 
 
 
 
 
SHS World Map – Interactive Dashboard
January 2023 – December 2025

Global visualization of health burden data (shsburden.net)

  • Interactive maps, time series charts, hierarchical visualizations
  • Responsive web dashboard with complex filtering options
  • Developed for Lancet Commission on Palliative Care and Pain Relief
 
 
 
 
 
R Shiny Project
RoutingRuler – SaaS Web Application
January 2024 – December 2025

Mileage Run Planning Tool (routingruler.com)

  • Developed R Shiny app
  • Deployed app in the cloud with Render

Experience

 
 
 
 
 
Self-employment / Parental leave
October 2024 – Present Cologne, Germany
Development of data analysis tools and web applications
 
 
 
 
 
Charlotte Fresenius University of Psychology
External Lecturer
October 2023 – September 2024 Düsseldorf, Germany

Lectures in Psychology degree programme (B.Sc.):

  • Introduction to psychology and its history
  • Research methods
  • Psychotherapy
 
 
 
 
 
University Hospital Bonn (UKB) Clinic for Palliative Medicine
Research Associate
February 2023 – September 2023 Bonn, Germany

Development of R Shiny app for visualization of Serious Health Related Suffering (SHS):

 
 
 
 
 
University Hospital Bonn (UKB) Network University Medicine (NUM), Institute for Virology
Head of Local Staff Unit
October 2020 – December 2022 Bonn, Germany
Coordination of Local Staff Unit in Network University Medicine
 
 
 
 
 

Coordination of project “E-Surv” (Funding: German Cancer Aid):

  • Study on survey mode effects (online vs. pen & paper)
  • Creation of metadata database (basis: Samply.MDR)

Graduate programme “Epidemiological Research Using Cancer Registry Data” (German Cancer Aid):

  • July - August 2019: University of Mainz, German Childhood Cancer Registry – Comparative non-response analysis
  • January - February 2019: University of Bern, Switzerland, Institute of Social and Preventive Medicine (ISPM), Paediatric Cancer Epidemiology Group (Prof. Dr. Claudia Kühni) – Development of Shiny app for space-time analyses of Swiss Childhood Cancer Registry data
 
 
 
 
 
Axel Budde
Advanced training “Mastering Software Development in R Specialization” and self-employment
January 2017 – May 2018 Cologne, Germany

Developed R Shiny apps:

 
 
 
 
 
  • Coordination of federal-state network for online documentation system Dot.sys
  • Coordination of federal-state network for relaunch PrevNet/Inforo online
  • Coordination of EU project “Reducing Alcohol Related Harm” (RARHA) (Work Package Co-Lead)
  • Representation within German Monitoring Centre for Drugs and Drug Addiction (DBDD) and vis-à-vis European Monitoring Centre on Drugs and Drug Addiction (EMCDDA)
 
 
 
 
 
Boutique air travel agency Airotique
Self-employment
Boutique air travel agency Airotique
March 2011 – February 2013 Berlin, Germany
 
 
 
 
 
Noldus Information Technology GmbH
Regional Sales Engineer
November 2006 – July 2007 Berlin, Germany
Sold software for behavioural research and gave product trainings.
 
 
 
 
 
Noldus Information Technology bv
Regional Sales Engineer
November 2005 – October 2006 Wageningen, The Netherlands
Sold software for behavioural research and gave product trainings.
 
 
 
 
 
Citicorp S.A.
Customer Service Representative
March 2005 – July 2005 Barcelona, Spain
Provided phone service to credit card clients in Belgium in Dutch, French, German, and English.

Technical Skills

Programming

  • Python (Pandas, NumPy, SciPy, Jupyter – proficient)
  • R (daily since 2017 – expert)
  • R Shiny (daily – expert)
  • SQL (often), LaTeX (often), R Markdown (often)

Statistics & Data Science

  • Time series analysis, hypothesis testing, KPI development
  • Data cleaning, reproducible workflows
  • Machine learning (in context of PhD thesis)

Documentation & Reporting

  • Jupyter notebooks (proficient), R Markdown (expert)
  • LaTeX (often), Git/GitHub (proficient)

Cloud & Deployment

  • Render (daily), Supabase (often), AWS (often)

Additional Tools

  • Metadata database MDR.Samply (often)
  • SaTScan (often), QGIS (rarely)
  • MySQL (often), Microsoft Access (rarely)

Languages

  • English – Business fluent, IELTS (Academic) Band 8.5/9
  • Dutch – Business fluent
  • French – Fluent
  • Spanish – Advanced basics
  • German – Native

Scholarships

Travel Scholarship
Travel scholarship for North American Symposium on Late Complications After Childhood Cancer, Atlanta, Georgia, USA
Travel Grant
Travel grant for North American Symposium on Late Complications After Childhood Cancer, Atlanta, Georgia, USA
International Internship Scholarship
Short scholarship for internships in international organisations. United Nations Office on Drugs and Crime (UNODC), Regional Centre for East Asia and the Pacific, Bangkok, Thailand
Study Visit Scholarship
STUNT scholarship for study visit to Xiamen University, Xiamen, People’s Republic of China
Supplementary Study Visit Scholarship
Supplementary scholarship for study visit to Xiamen University, Xiamen, People’s Republic of China

Specialisation

Coursera
Building Data Visualization Tools by Johns Hopkins University on Coursera
See certificate
Coursera
Building R Packages by Johns Hopkins University on Coursera
See certificate
Coursera
Advanced R Programming by Johns Hopkins University on Coursera
See certificate
Coursera
The R Programming Environment by Johns Hopkins University on Coursera
See certificate

Gallery

Recent Publications

Quickly discover relevant content by filtering publications.
Estimates of protection levels against SARS-CoV-2 infection and severe COVID-19 in Germany before the 2022/2023 winter season: the IMMUNEBRIDGE project
Despite the need to generate valid and reliable estimates of protection levels against SARS-CoV-2 infection and severe course of …
SARS-CoV-2 sero-immunity and quality of life in children and adolescents in relation to infections and vaccinations: the IMMUNEBRIDGE KIDS cross-sectional study, 2022
The study evaluates the effects on sero-immunity, health status and quality of life of children and adolescents after the upsurge of …
Grundimmunität gegen SARS-CoV-2 in der deutschen Bevölkerung
Hintergrund: Während der SARS-CoV-2-Pandemie wurden in einigen Ländern von Beginn an nationale populationsbasierte Seroprävalenzstudien …
Estimates of protection against SARS-CoV-2 infection and severe COVID-19 in Germany before the 2022/2023 winter season - the IMMUNEBRIDGE project
Despite the need to generate valid and reliable estimates of protection against SARS-CoV-2 infection and severe course of COVID-19 for …
Erratum to ‘Linking EORTC QLQ-C-30 and PedsQL/PEDQOL physical functioning scores in patients with osteosarcoma’ [Eur J Cancer 170 (2022) 209-235]