Sr. Desktop .NET Engineer

Remote; San Francisco (CA); Remote; USD 67,000 - 73,000; Full time

Benefits offered by this job

Monthly rate $6,000–$6,500 USD

Fully remote within Europe

2-year initial contract

Job summary

Partner Company is seeking a Sr. Desktop .NET Engineer to join a Europe-based remote team on a long-term, fully remote contract.

You will design, develop, and maintain desktop applications in C#/.NET for a greenfield IoT project, integrating with hardware, sensors, and robotics. You will work across UI development, real-time data processing, performance optimization, and system architecture decisions with an international team and a German client.

Qualifications

• Strong professional experience with C# and .NET/.NET Core.
• Desktop app development using WPF/WinUI/MAUI.
• Good understanding of MVVM architecture.

Responsibilities

• Design, develop, and maintain desktop applications with C# and .NET.
• Build modern UIs using WPF/WinUI/MAUI following MVVM.
• Integrate desktop software with hardware devices and sensors.
• Implement high-performance, multithreaded, asynchronous solutions.

Skills

C#

NET/.NET Core

WPF/WinUI/MAUI

MVVM

Multithreading

Async/Await

REST

gRPC/WebSocket

C++ interop

Hardware integration

Team collaboration

Tools

DLL interop

C++ interop

Native modules

Job description

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 Netherlands.

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.