Senior Application Security Engineer (f/m/d)

JTL is one of the leading providers of e-commerce software in the German-speaking region — with around 450 employees across the group and more than 50,000 customers across a wide range of industries. We develop scalable, flexible solutions for the online retail of the future, from ERP systems to shop and marketplace integrations.

You'll join the JTL Security Team, a technical, developer-focused team at the heart of the company. We keep the JTL Group secure against a wide range of threats and build secure products with our development teams, on-premise and in the cloud. It's a broad, demanding field that rewards technical excellence and strategic thinking.

Your responsibilities

• Evolve our Secure Software Development Lifecycle — from architecture through CI/CD to operations
• Bring security into everyday development: IDE plugins, SAST, security unit tests, and golden images
• Run threat modeling to surface risks and help teams handle them pragmatically
• Coach developers and product owners on security, as an equal partner
• Make security measurable, understandable, and scalable

•  You have a degree in computer science or a comparable field
• You have at least 5 years of experience in application security, with a focus on secure development
• You have solid knowledge of at least one programming language, plus scripting and automation
• You have a strong grasp of modern security standards and frameworks such as OWASP ASVS or NIST
• You work independently and pragmatically, and can communicate complex security requirements clearly
• You are fluent in English, both written and spoken
• You are based in Germany

Nice to have

• Experience with Snyk or other security tools
• The developer's perspective, backed by hands-on software development experience
• Experience introducing RPA and GenAI solutions
• Good German language skills

• Remote-first within Germany, with the option to work remotely from eligible countries for up to 180 days per year
• Meal allowance of up to €115 net per month
• Ergonomic workspace allowance for your home office setup
• Regular team events, company-wide gatherings, and summer and Christmas parties to stay connected as a remote-first company
• EGYM Wellpass and JobRad subsidy
• Financial benefits including capital-forming payments (Vermögenswirksame Leistungen) and a company pension scheme