Johan Sydseter
Application Security Engineer
Drammen, Norway
Summary
👤
Senior🎓
Top SchoolJohan Sydseter is an Application Security Engineer based in Drammen, Norway, with 16 years of software development experience and 11 years focused on architecture and security. He leads application security at Admincontrol, embedding OWASP ASVS practices, CI/CD security automation, and continuous dependency vulnerability management across development, Ops and QA. Johan combines deep full-stack Java expertise and DevOps experience—Spring Boot, Kubernetes, Cloud Foundry, Docker and CI tooling—with hands-on security testing (SAST/DAST) and threat modeling. He has a strong track record as a senior architect and consultant across large programs (TietoEVRY, Capgemini, SYSCO) delivering microservices, event sourcing and robust cloud deployments. An active OWASP co-leader (Cornucopia), he contributes to open-source security guidance—an indication of his commitment to practical, community-driven secure development. Colleagues rely on him for pragmatic, auditable solutions that bridge developer velocity and measurable security outcomes.
11 years of coding experience
15 years of employment as a software developer
Exchange, Digital Media, Exchange, Digital Media at University of New South Wales1 year, Informatics, Information Technology, 1 year, Informatics, Information Technology at Østfold University College (HiØ)
English, German, Spanish, Norwegian
Stackoverflow
16reputation
628reached
1answer
0questions
Github Skills (174)
network-analysis10
testing10
security10
static-analysis10
mobile-application10
owasp10
mobile-security10
android-application10
verification10
threat-modeling10
application-security10
android10
card10
pentesting10
ios10
Programming languages (12)
Github contributions (5)
sydseter/cornucopia-mvp
Sep 2024 - Jan 2025
MVP for the OWASP Cornucopia website. Work in progress
Contributions:22 PRs, 100 pushes, 33 branches in 4 months
OWASP/www-project-dungeons-and-daemons
Oct 2024 - Mar 2025
This repository contains OWASP Dungeons & Daemons a collection of security games. It's purpose is to promote security awareness and practices.
Contributions:38 reviews, 65 PRs, 57 pushes in 5 months
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