About this role

Develop modern software solutions using C# and .NET Core / .NET 10
Work on high-performance REST APIs within service-oriented architectures and microservice landscapes
Support the modernization of existing software ecosystems
Ensure high software quality through Clean Code, SOLID principles, testing, and code reviews
Collaborate closely with other senior engineers on architecture and design decisions

Proven practical experience in software development and experience with complex, distributed systems in the .NET ecosystem
Deep knowledge of C#/.NET Core (.NET 10) for building REST APIs and microservices
Confident experience with relational databases (MS SQL, Oracle, PostgreSQL)
Comfortable with agile methodologies such as Scrum, as well as code reviews and testing
Strong willingness to learn and enthusiasm for technical mentoring
Fluent in German and English

Strong remote-first culture and flexible working hours
30 days of vacation, increasing with length of service
Attractive corporate benefits and a company-wide bonus system that directly rewards your commitment
Personal and professional growth through tailored training programs
Free parking, EV charging stations directly on site, and an attractive company bike leasing scheme
Modern work café and in-house yoga for an optimal balance between focus and recovery during the workday

Senior Software Developer – C#, .NET

Key skills