Bruno Thomsen
Senior Software Developer at Kamstrup
Greater Aarhus Area Denmark
Summary
👤
Senior🎓
Top SchoolBruno Thomsen is a Senior Software Developer with 14 years of experience, based in the Greater Aarhus Area, Denmark, who champions automation-as-code and treats every repository as if it were an open-source project. A long-time Linux developer and contributor to kernel subsystems, he also brings security-focused engineering experience from contributing IPsec enhancements to the widely used pfSense project—adding ECC and AES-GCM support and fixing critical PSK issues. At Kamstrup he applies this blend of low-level systems expertise and pragmatic engineering to deliver robust, secure software in production. Trained as an electronics technician with a BSc and a Stanford professional certificate, he combines hardware-aware thinking with modern software practices. Known for pushing collaborative, reproducible workflows, he quietly improves security and interoperability in networking stacks.
14 years of coding experience
Trained Electronics Technician, Trained Electronics Technician at AARHUS TECHBachelor of Science, Bachelor of Science at Engineering College of AarhusProfessional Certificate, Professional Certificate at Stanford University
Stackoverflow
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Github Skills (10)
ec10
ipsec10
crypto10
keyv10
elliptic-curve-cryptography10
aes-gcm10
cryptography10
freebsd10
firewall9
php8
Programming languages (10)
Github contributions (5)
pfsense/pfsense
May 2015 - May 2015
Main repository for pfSense
Role in this project:
Security Engineer
Security EngineerContributions:7 commits, 1 PR, 3 comments in 1 day
Contributions summary:Bruno primarily contributed to the IPsec implementation within the pfSense project. Their work included bug fixes related to elliptic curve cryptography (ECC) support, specifically for NIST and Brainpool curves. They added support for AES-GCM in IKE phase one and implemented various ECC Diffie-Hellman groups. Additionally, the user addressed a critical bug related to pre-shared key (PSK) keyid generation, improving the usability of the IPsec/IKEv2 PSK configuration.
netmikofirewall-rulesrouterospfsensefreebsd
baxeno/embedded-tools
Apr 2019 - Jul 2019
Contributions:1 release, 18 commits, 12 pushes in 3 months
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