I am an Senior Software Engineer from Cologne, Germany with over 10 years of experience in developing distributed and complex software systems. Currently, I work on improving the Internet at Cloudflare by getting rid of CAPTCHAs. I am the technical lead at Cloudflare for Challenges Pages and Cloudflare Turnstile.

Experience

CloudflarePrincipal Systems Engineer

2026 — Now

CloudflareTechnical Lead

2022 — 2026

Munich, Bavaria, Germany

Technical Lead for Challenges & Captchas

Responsible for removing Cloudflare's Captcha Footprint on the Internet,

improving its performance and offering Captcha alternatives for example by Inventions such as Managed Challenge and Turnstile.

Contriver of Anti-Fraud Tools such as Ephemeral ID

CloudflareDistributed Systems Engineer

2020 — 2022

Munich, Bavaria, Germany

Anti-Bot & Edge Mitigations Team

Cloudflare, Inc.Systems Engineer

2018 — 2020

London Area, United Kingdom

Firewall Team: Building a firewall events analytics pipeline powering millions of events per second. Work and Maintenance of new Firewall Offerings. Edge Mitigations and intelligence including Captcha's and Javascript Challenges.

RWTH Aachen UniversityStudent Research Assistant

2015 — 2018

Aachen, North Rhine-Westphalia, Germany

Chair of Communication and Distributed Systems

Network Architectures Group

Kernel Accelerated Packet Processing

HTTP/2 Performance

Internet-wide research measurements

Education

RWTH Aachen University

Master of Science (M.Sc.)

2014 — 2018

RWTH Aachen University

Bachelor of Science (B.Sc.)

2010 — 2014

St. Ursula Gymnasium Brühl

Abitur / A-Levels

2000 — 2009

Experience+5

Education

Master of Science (M.Sc.)

Bachelor of Science (B.Sc.)

Abitur / A-Levels

Experience