Lead .NET Engineer (m/f/d)

Who we are Xempus is the leading European group pension, life and health insurance platform. We seamlessly connect insurers, insurance agents, corporates and their systems in an automated and customer-centric manner. Using standardized interfaces and structured data, we operate the central infrastructure for all customer-centric processes and enable agentic AI across pension, life and health insurance. The role We're building a new AI-powered product that automates insurance business processes end-to-end, and we're looking for an experienced .NET engineer to help shape it. Responsibilities: Design and implement scalable, maintainable backend services using .NET 10 and Temporal-based durable workflowsOwn features end-to-end across our stack, from the .NET backend to the Vue 3 + TypeScript frontendManage Kubernetes deployments and configuration using Helm chartsProvide technical leadership and mentoring to the teamDrive architectural decisions and technical planning for the productEstablish quality controls across the stack: from automated testing to evaluating the correctness of LLM-driven results What we are looking for Technical Skills: 10+ years professional software development experienceStrong expertise in C# and the .NET 10 ecosystemExperience implementing scalable solutions for complex systemsExperience designing multi-tenant systems and integrating identity/access management (e.g. Keycloak or similar)Experience with Vue and modern frontend development patternsPractical experience with Entity Framework Core and relational databasesUnderstanding of containerization concepts and CI/CD pipelinesComfortable owning DevOps and deployment (Kubernetes, Helm)Ability to learn a new language or framework well without being dependent on one set of skillsHands-on experience building LLM-powered features (prompting, structured output, evaluation) is a big plus Personal Skills: Demonstrated problem-solving leadership with the ability to tackle complex technical challengesStrong analytical skills to understand business requirements in the insurance domain and translate them into technical implementationsExcellent communication skills for articulating technical decisions to diverse stakeholdersStrong sense of ownership and initiative to drive features from conception to production Why Xempus Shape the Future: Help reinvent intelligent automation of occupational pensions at one of Germany’s leading insurtechsMaximum Freedom: Creative ownership and fast decision - in a dynamic, innovative environmentTop Contribution: 100% employer contribution – we double every euro you invest in your occupational pension schemeHealth Coverage: Company health insurance with €600 annual reimbursement for various medical servicesPeople-Driven Culture: Genuine cross-departmental teamwork, open doors, and collaboration at eye levelFlexible Working: Hybrid working for maximum freedom and work-life balanceLearn & Grow: Annual development budget, personal AI coaching, and transparent career paths with clear growth opportunitiesStay Active & Mobile: Health benefits including job bike / EGYM Wellpass or traveling easily with the DeutschlandticketExtra Time Off: 30 days paid vacation – plus the option to take additional unpaid leaveWorkation Option: Up to 30 days per year to combine work and travel Contact Does that sound like your kind of job? Then apply now! If you have any questions, difficulties uploading your data, or require any assistance with the recruitment process, we are happy to help (jobs@xempus.com). Please be sure to submit your application using the application form - unfortunately, we cannot process applications sent by email. We’d love to hear from you!