Design and implementation of .NET Core services, Web APIs and desktop clients (WPF/WinForms)
Integration with SQL Server, PostgreSQL and NoSQL systems (e.g., MongoDB)
Implementation of RabbitMQ / Kafka queues for asynchronous communication
Development of unit, integration and end-to-end tests; setup of GitLab CI / Azure DevOps pipelines
Contribution to architecture design and selection of patterns (DDD, Event Sourcing, CQRS)
Conducting code reviews and coaching junior developers
Close collaboration with Product Owners and external partners for requirements analysis

At least 3 years of experience with C#/.NET (Core) – ideally in a backend environment
Proven experience in developing and integrating RESTful (and optionally SOAP) services
Solid knowledge of SQL and NoSQL (T-SQL, PL/pgSQL)
Practical experience with RabbitMQ or Kafka
Angular + TypeScript (minimum 1 year)
VMware, Docker and Kubernetes (cluster deployment)
Git workflow and branching strategies; CI/CD with Azure DevOps or GitLab
Windows (Desktop/Server) & Linux (Debian, CentOS, RHEL)
Experience with the Rednet API (https://mmi-media.de/rednet/) is a plus
Agile (Scrum/Kanban), TDD/BDD, Continuous Delivery
Independent working style, analytical thinking and strong communication skills
German (fluent spoken and written), English at C1 level

Permanent employment contract with 31 days of vacation
Plenty of scope for your own ideas and professional development
Diversity and equal opportunity
Participation in further training
Flexible working hours
Remote work within Germany and in selected European countries
Mobility allowance, company bike (JobRad), and benefits for health and wellbeing

Backend Engineer, .NET

Key skills