Senior .NET Developer (m/f/d)

Who we are

We are Xempus, Germany´s leading independent Software-as-Service (SaaS) platform for the management and distribution of pension, life and health insurance. Our mission: making pension, life and health insurance digital and understandable, efficient and accessible for everyone. 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 – no matter where we are! Whether from one of our offices or from home – join us and together we create a more secure future for everyone!

The role

We're on the lookout for a Senior .NET Engineer (m/f/d) with a passion for building integration solutions and a talent for driving architectural transformation. If you are an expert who not only writes excellent code but also excels at connecting complex systems, modernizing legacy architectures, and crafting market-ready products from the ground up, this is the perfect opportunity for you. You will be instrumental in shaping our integration platform into a cornerstone of our product ecosystem.
 
Key Responsibilities:

• Design and implement sophisticated software solutions using .NET technologies (C#, ASP.NET, .NET Core), demonstrating advanced knowledge of the framework and language features
• Write clean, scalable, and testable code following best industry practices
• Take ownership of full software development lifecycle phases, including requirements analysis, system design, implementation, testing, deployment, and ongoing support
• Debug and resolve technical issues, ensuring optimal performance, reliability, and scalability
• Collaborate with product managers, designers, and other developers to define and deliver new features
• Engage in direct communication with customers to understand requirements and provide technical guidance, and translate business needs into technical solutions
• Create and maintain comprehensive technical documentation and software specifications
• Proactively identify areas for improvement in code quality, architecture, and development processes
• Sharing knowledge and promoting best practices

What we are looking for

• 8+ years of experience in software development with a focus on .NET technologies
• Expertise in C#, ASP.NET MVC/Web API, and .NET 8+
• Strong understanding of software architecture principles and system design, with the ability to structure scalable, maintainable, and efficient solutions
• Proven ability to work independently and drive technical initiatives with minimal supervision from concept to production
• Be open to working with Java / other technologies in cross-functional or legacy system contexts
• Strong analytical and problem-solving skills with ability to think through complex challenges
• Experience with relational databases (e.g., PostgreSQL) and ORM tools like Entity Framework
• Experience with RESTful APIs
• Experience with version control systems (e.g., Git)
• Experience with unit testing frameworks and writing testable code
• Excellent communication skills and ability to work cooperatively in cross-functional teams and with customers
• German language skills at C1 level (spoken and written)

Why Xempus

• Join one of the leading insurtechs in Europe as it enters its next growth phase 
• Find creative freedom and quick decision-making structures in a dynamic, innovative environment  
• Opportunity to participate in one of the most generous employee stock option programs in the industry 
• Very attractive contribution to the company pension scheme
• Corporate health insurance (600€ reimbursement of various medical and pharmacy costs per year)
• Work with a team of amazing colleagues with great team spirit (company parties, charity events e.g.) 
• Have the option of hybrid working - for family friendliness and maximum flexibility in your everyday life. You can find out more here.
• Broad range of personal & professional development opportunities: individual annual training budget, free courses, and a transparent career development model 
• Various health offerings such as bike leasing and EGYM Wellpass
• Modern offices in a central location, including free drinks & fruit 
• We offer you an option for an unpaid extra holiday in addition to your 30-day holiday entitlement per year

Contact

If you have any questions, difficulties uploading your data, or require any assistance with the recruitment process, Marta Von Deimling (jobs@xempus.com) is happy to help.

We’d love to hear from you!