Yukawa Exponential GmbH

Backend Engineer

• As a Senior Software Engineer you are the technical anchor in one of our client projects.
• You take responsibility for the architecture and implementation of data-intensive, business-complex applications in the .NET environment with full-stack components in TypeScript/React and a growing AI component.
• You work closely with Product Owners, Data Scientists and domain experts, help the team grow (pair programming, code reviews) and ensure that what we build is clean, testable and maintainable.
• Design and implementation of sophisticated backend and full-stack solutions in C# / .NET
• Domain modeling of complex rules and data structures – from requirements to production systems
• Integration of AI models (LLMs, classifiers, recommendation systems) into existing and new applications
• Building and operating data and rules pipelines, including database design (MS SQL, Oracle, PostgreSQL)
• Responsibility for testing, CI/CD and code quality
• Pair programming, code reviews
• Shaping technical decisions across projects and client boundaries

Senior .NET Backend Engineer, C#, Domain Modeling, AI