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.#J-18808-Ljbffr

📌 Sr. Desktop.Net Engineer (Valencia)
🏢 Jobgether
📍 Valencia