Senior Application Security Engineer (f/m/d)

Job Description

Your mission 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 Your profile 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 Why us? 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