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Sr. Desktop .NET Engineer
Jobgether
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Source date: 11/3/2026
About this role
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 France. 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. How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. LI-CL1