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Time's up! We are no longer accepting applications.
Application Developer (m/f/d)
Project info
- Period02.06.2025 - 30.09.2025
- Capacityfrom 95%
- Daily rate700 - 900€
- LocationMunich, Germany
- Languages
- German(Advanced),
- English(Advanced)
- German
- Remotefrom 95%
Description
A company is seeking an experienced Application Developer (m/f/d) for a long-term project. The goal is the functional enhancement, maintenance, and partial redevelopment of numerous internal tools and systems. These include technician tools, an SCCM rollout portal, proprietary inventory agents, macro signature tools, as well as various connectivity and deployment components. The role involves full-stack development for existing and new components, including REST API interfaces, integration and maintenance of system services under Windows (including Windows PE environment), and development of server-side applications for the distribution and management of technical processes. Additionally, the role includes extending tools for authentication, encryption, and communication with Windows-specific interfaces, maintaining and enhancing security-critical system components with a focus on high availability, automating recurring tasks with PowerShell in the Windows environment, ensuring security compliance for API and UI components, and collaborating with other development teams through GIT-driven CI/CD processes.
Key responsibilities:
- Full-stack development for existing and new components, including REST API interfaces.
- Integration and maintenance of system services under Windows, including Windows PE environment.
- Development of server-side applications for technical process management.
- Extension of tools for authentication, encryption, and communication with Windows-specific interfaces.
- Maintenance and enhancement of security-critical system components with a focus on high availability.
- Automation of recurring tasks with PowerShell in the Windows environment.
- Ensuring security compliance for API and UI components.
- Collaboration with other development teams through GIT-driven CI/CD processes.
Requirements
- Practical experience in C# .NET (Classic & Core 8 or higher), C++, and Rust for system-near development under Windows.
- Frontend development experience with MVC, Blazor, JavaScript/TypeScript.
- Proficiency in Entity Framework and REST API design and implementation, including authentication and encryption methods (e.g., OAuth2, JWT, TLS).
- Windows-specific development expertise: Windows 10 and Windows 11, Windows services, Windows PE, Windows Registry, Windows authentication & encryption, WMI, Active Directory (LDAP).
- PowerShell scripting and SQL knowledge.
- Experience with applications on web servers (not just clients).
- Familiarity with GIT for code versioning and team collaboration.
- Security awareness and experience in developing secure, high-availability applications.