This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr. Desktop .NET Engineer based in Spain.

This fully remote, full-time contract opportunity is suited to a senior engineer with strong desktop application development expertise.
You will contribute to a large-scale greenfield IoT project for a German enterprise client.
The role involves building modern desktop applications that connect with hardware, sensors, and robotics systems.
You will work across software architecture, UI development, real-time data processing, and performance optimization.
As part of a distributed international team, you’ll help develop integrated systems from the ground up.
The position offers a long-term engagement with opportunities to influence technical direction and architectural decisions.
This is a Europe-based remote role with a focus on challenging engineering problems at the intersection of software and hardware.

Accountabilities

- Design, develop, and maintain desktop applications using C# and .NET.
- Build modern user interfaces using WPF, WinUI, or MAUI, following MVVM architecture principles.
- Develop custom UI controls and 2D/3D data visualization components.
- Integrate desktop software with hardware devices, sensors, and robotics systems.
- Implement high-performance, multithreaded, and asynchronous solutions.
- Work with communication protocols and APIs, including TCP/UDP, WebSocket, gRPC, and REST.




- Collaborate with teams developing native C++ modules and SDK integrations.
- Contribute to system architecture, optimization, scalability, and technical delivery.

Requirements

- Strong professional experience with C# and .NET/.NET Core.
- Solid experience developing desktop applications using WPF, WinUI, or MAUI.
- Good understanding of the MVVM architecture pattern.
- Experience with multithreading, async/await, and performance optimization.
- Familiarity with network protocols and API integration.
- B2-level German proficiency , required for communication with the client.
- Experience with hardware integrations, sensor data, or similar systems is a plus.
- Exposure to C++ or native modules such as DLLs is advantageous.
- Ability to collaborate effectively within a distributed, international engineering team.

Benefits

- Monthly contract rate of $6,000–$6,500 USD , depending on experience.
- Full-time B2B contract.
- Initial contract duration of 2 years, with a likely extension to 3 years.
- Fully remote work within Europe.
- Long-term project engagement and expected stability.
- Opportunity to build a greenfield IoT platform from concept through delivery.
- Exposure to advanced hardware, robotics, real-time data processing, and performance-critical systems.
- Opportunity to influence system architecture and technical direction.
- International collaboration with a German enterprise client.

📌 Sr. Desktop .NET Engineer (España)
🏢 Jobgether
📍 España