Lead .NET Engineer (m/f/d)

Stellenbeschreibung:

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. Since 2007, we have been constantly working to drive the digitalization of the insurance industry. Here at Xempus, we believe that together we can make a difference – join us and together we create a more secure future for everyone!

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 workflows
Own features end-to-end across our stack, from the .NET backend to the Vue 3 + TypeScript frontend
Manage Kubernetes deployments and configuration using Helm charts
Provide technical leadership and mentoring to the team
Drive architectural decisions and technical planning for the product
Establish 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 experience
Strong expertise in C# and the .NET 10 ecosystem
Experience implementing scalable solutions for complex systems
Experience designing multi-tenant systems and integrating identity/access management (e.g. Keycloak or similar)
Experience with Vue and modern frontend development patterns
Practical experience with Entity Framework Core and relational databases
Understanding of containerization concepts and CI/CD pipelines
Comfortable owning DevOps and deployment (Kubernetes, Helm)
Ability to learn a new language or framework well without being dependent on one set of skills
Hands-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 challenges
Strong analytical skills to understand business requirements in the insurance domain and translate them into technical implementations
Excellent communication skills for articulating technical decisions to diverse stakeholders
Strong 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 insurtechs
Maximum Freedom : Creative ownership and fast decision - in a dynamic, innovative environment
Top Contribution : 100% employer contribution – we double every euro you invest in your occupational pension scheme
Health Coverage : Company health insurance with €600 annual reimbursement for various medical services
People-Driven Culture : Genuine cross-departmental teamwork, open doors, and collaboration at eye level
Flexible Working : Hybrid working for maximum freedom and work-life balance – learn more here
Learn & Grow : Annual development budget, personal AI coaching, and transparent career paths with clear growth opportunities
Stay Active & Mobile : Health benefits including job bike / EGYM Wellpass or traveling easily with the Deutschlandticket
Extra Time Off : 30 days paid vacation – plus the option to take additional unpaid leave
Workation Option: Up to 30 days per year to combine work and travel