Back-End Developer (C# / .NET) – RabbitMQ, Entity core, Docker components – Böblingen
About us
We’re a growing SaaS company building modern, scalable web applications used by customers who expect things to just work.
We’re looking for a Back-End Developer who enjoys designing solid systems, writing clean code, and thinking about scale from day one.
Tasks
Designing and building back-end services using C# and ASP.NET (REST APIs)
Working with Entity Framework Core to design and optimise data access
Building and integrating message-based systems (event-driven, async workflows, etc.)
Helping shape system architecture with scalability, performance, and reliability in mind
Collaborating closely with product and front-end teams to deliver real features, not just tickets
Improving existing systems — refactoring, optimising, and making things simpler
Profile
Strong experience with C# / .NET CORE + in production environments
Solid understanding of ASP.NET Core and RESTful API design
Hands-on experience with Entity Framework Core
Experience working with message brokers (e.g. RabbitMQ, Azure Service Bus, Kafka, etc.)
A good grasp of scalable system design and modern back-end patterns
Someone who cares about code quality, maintainability, and performance
Nice to have
Experience working in SaaS products
Cloud experience (Azure, AWS, or similar)
Familiarity with CI/CD, containers, or microservices
An interest in keeping up with modern .NET and back-end best practices
We offer
You’ll work on cutting-edge tech, not legacy maintenance
Real influence over architecture and technical decisions
A team that values clean solutions over quick hacks
Room to grow as the product and company scale