Lead Software Engineer – AI-Powered Delivery (f/m/d)

Location: remote within Germany

JTL is one of the leading providers of e-commerce software in the German-speaking region — with around 500 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 JTL Shipping, the team building the shipping platform thousands of merchants rely on, and scaling it fast. We’re small, autonomous and use AI agents daily with Python, React and Kubernetes. You’ll thrive here if you lead by building.

Your responsibilities

• Set the architecture and technical roadmap with the Engineering Manager and Product Manager, and keep the codebase healthy as we scale
• Own production reliability, monitoring, incident response and on-call, and scale our Kubernetes infrastructure as merchants and shipments grow
• Build the AI loops and workflows that write, test, review and ship our code, mainly in Python and React
• Improve how the team uses AI agents across coding, review, testing, support and operations, and keep our team rituals fast and focused
• Mentor your colleagues, give clear technical guidance, and turn support trends and errors into engineering priorities

Must have

• You are an expert in Python and have built and run production backend systems
• You have good knowledge of React and modern frontend development
• You have hands-on experience deploying, operating and scaling services on Kubernetes in production
• You have led engineering teams as a tech lead, lead engineer or similar
• You have worked in remote, distributed teams in a fast-paced startup or scale-up
• You already work with AI coding agents like Claude Code, Copilot or Cursor and want to shape how a whole team uses them
• You speak very good English

Nice to have

• You know TypeScript or C#
• You have experience with Azure
• You have security experience, such as application security, auth or secure-by-design practices
• You have a background in e-commerce, logistics or carrier integrations
• You speak German

• 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