Senior Full-Stack Software Developer (C# .NET)

Quick Facts

• Role: Senior Full-Stack Software Developer (C#/.NET)
• Context: RLMIS / MOSS development for ground support and operations/maintenance support
• Level: Senior (unlimited contract)

Description

Develop and evolve the modular, platform-independent MOSS ground support system for Eurofighter and Eurodrone operational and maintenance needs. As a Senior Full-Stack developer, you will build and integrate complex software components, APIs, and system interfaces using modern C#/.NET and full-stack client technologies. You will also contribute to architecture and design activities and drive technical standards through mentoring, practical development, and technical reviews.

Role Responsibilities

• Support the specification and implementation of MOSS/RLMIS
• Act as a Technical Lead: set technical standards, foster technical excellence, and lead through hands-on development
• Independently implement complex software components and system interfaces
• Create detailed interface specifications and implement interfaces between different systems
• Work into existing system functions and architecture, including MALE-RPAS design requirements
• Contribute to software architecture and design for RLMIS/MOSS using UML
• Define and specify technical requirements
• Support development product creation and prepare/run technical reviews
• Collaborate across projects throughout design, implementation, testing, and qualification for approval
• Create and maintain software-related technical documentation and qualification-process documentation

Requirements

• Completed degree in Computer Science or comparable degree focused on IT, or proven equivalent professional experience
• 5–10 years of practical software development experience with C# and .NET (ideally .NET 6/8)
• Strong full-stack experience with ASP.NET Core and modern client-side technologies (preferably Blazor; alternatively Angular or React)
• Solid OO analysis and design experience (OOA/OOD)
• In-depth knowledge of modern software architecture patterns (DDD, Clean Architecture, CQRS) and their practical use
• Secure API design skills (REST, gRPC)
• Database experience (SQL Server, PostgreSQL) and ORM frameworks (Entity Framework Core, Dapper)
• Secure use of version control (Git) and modern development tools (Rider, VS Code, Visual Studio)
• Experience with cross-platform development (Windows, Linux)
• Strong testing knowledge (unit tests, integration tests) and pronounced quality awareness
• Awareness of security best practices (OAuth2/OpenID Connect)
• Fluent German and English in written and spoken form
• Strong technical presence as a mentor, with high teamwork and initiative
• Awareness of compliance risks and commitment to integrity

Benefits

• Unfurnished/long-term employment (unbefristet)
• Support for flexible working arrangements where possible
• Inclusive, equal-opportunity workplace committed to integrity
• Special consideration for applicants with disabilities with equal qualifications