Felix Hammerl
Principal Consultant at Thoughtworks
Cologne, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolFelix Hammerl is a Principal Consultant and security-minded engineer with 11 years of experience building resilient, enterprise-grade cyber security programs and secure software. He blends hands-on engineering—co-founding an encrypted email client and contributing to the emailjs IMAP client test suite—with strategic leadership running global cyber security, SOC and vulnerability management at Thoughtworks. Felix specializes in designing recoverable, event-driven architectures and pragmatic security controls that enable business agility without burning out teams. He is motivated by small, diverse teams, continuous learning and practical security culture, and holds advanced training from TUM and Harvard Business School Online. Notably, his early work on OpenPGP-based email sync and tooling gives him uncommon depth in usable end-to-end encryption for real-world products. Based in Cologne, he pairs an engineer’s attention to clean code and lean practices with the judgement to challenge the status quo.
11 years of coding experience
7 years of employment as a software developer
Strategy Execution, Strategy Execution at Harvard Business School OnlineMaster of Science (MS), Information Systems, Master of Science (MS), Information Systems at Technical University of Munich
English, Spanish, German, Italian, French
Stackoverflow
11reputation
648reached
0answers
1question
Github Skills (7)
javascript10
imap10
testing9
ssl6
nodejs6
starttls6
cryptography6
Programming languages (15)
Github contributions (5)
emailjs/emailjs-imap-client
Nov 2015 - Jun 2019
Low-level JS IMAP client for all your IMAP needs.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:172 commits, 46 PRs, 121 pushes in 3 years 7 months
Contributions summary:Felix made code changes focused on improving the IMAP client's test suite. Their work involved modifying fixture files, removing unnecessary code, and ensuring that tests were correctly set up and functioning. These updates contributed to the reliability and accuracy of the client's testing infrastructure. The user demonstrated an ability to work with and understand the internal workings of the IMAP client.
imapimap-clientjs
emailjs/emailjs-smtp-client
Jan 2016 - Jun 2019
SMTP Client for node.js and browser runtimes
Contributions:35 commits, 20 PRs, 28 pushes in 3 years 5 months
nodejsruntimessmtp-client
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