SLT Software Developer - C#/Windows, ATE Test Automation

Goldenpick Technologies LLC; Lake Forest (CA); On-site; USD 100,000 - 170,000; Full time

Job summary

Goldenpick Technologies LLC is seeking a System Level Test Software Developer in Lake Forest, CA with 5–12 years of experience. You will develop automated test applications in C#/.NET, design COM/ActiveX interfaces, and debug Windows drivers (KMDF/UMDF/WDM).

The role involves integrating test handlers and hardware interfaces (USB, PCIe, SPI, I2C) and optimizing test performance. Candidates should have strong C#/.NET skills, Windows software architecture experience, and hands-on driver

Qualifications

• Strong expertise in C#/.NET, Windows application development, multithreading, and asynchronous programming.

Responsibilities

• Develop and maintain automated test applications using C# and .NET.
• Design and support COM/ActiveX components and Windows-based software interfaces.
• Develop/debug Windows device drivers (KMDF/UMDF/WDM).
• Integrate and control test handlers, instruments, and ATE systems.
• Implement hardware communication interfaces such as USB, Serial, PCIe, TCP/IP, SPI, and I2C.
• Perform test automation, debugging, failure analysis, and performance optimization.

Skills

C#

NET

Multithreading

Async programming

Windows apps

COM/ActiveX

Driver development

ATE integration

Hardware comms

Test automation

Tools

KMDF

UMDF

WDM

Git

Azure DevOps

CI/CD

Job description

Goldenpick Technologies LLC is seeking a System Level Test Software Developer in Lake Forest, CA with 5–12 years of experience. You will develop automated test applications in C#/.NET, design COM/ActiveX interfaces, and debug Windows drivers (KMDF/UMDF/WDM).

The role involves integrating test handlers and hardware interfaces (USB, PCIe, SPI, I2C) and optimizing test performance. Candidates should have strong C#/.NET skills, Windows software architecture experience, and hands-on driver