Security Engineer (m/w/d)

Shopware is a leading e-commerce system that enables companies worldwide to scale quickly and efficiently in digital commerce. As a forward-looking open-source solution, Shopware is already used by some of Europe's largest brands, retailers, and manufacturers in the B2C and B2B sectors. Help make Shopware products more secure by identifying and reducing security risks throughout product development. You will work with product development teams to investigate vulnerabilities, improve secure concepts and testing, and build practical measures to prevent recurring issues in the Commerce Core, services, and adjacent product areas. Product Security Engineering is an engineering function. Product teams remain responsible for fixing and testing their own code. This team brings targeted security expertise, a shared prevention roadmap, and clear coordination for cross-product security work. Requirements Investigate vulnerability reports, security alerts, internal findings, and security incident remediation. Assess technical impacts and assist in routing confirmed tasks to the responsible product owners. Work directly with developers on secure design, threat models, code reviews, root cause analysis, fixes, and regression tests for high-risk product areas. Develop