SLT SW Developer

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

Position: SLT SW Developer (System Level Test Software Developer)
Location: Lake Forest, CA
Exp: 5- 12 years

Key Skills: SLT/ATE experience/C#

• 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.

5 to 12 years of experience

• Strong expertise in C#/.NET, Windows application development, multithreading, and asynchronous programming.
• Experience in COM/ActiveX development, COM Interop, and Windows-based software architectures.
• Hands-on experience in Windows Driver Development (KMDF, UMDF, WDM).
• Proficient in hardware communication protocols including USB, Serial, PCIe, TCP/IP, SPI, and I2C.
• Experience in Batch Script development and implementation for test automation, deployment and system configuration.
• Knowledge of automated test equipment (ATE), handler integration, and instrumentation control.
• Strong debugging, root cause analysis, and problem-solving skills.

Preferred

• Semiconductor validation, SLT/ATE experience.
• Python scripting and test automation frameworks.
• Experience with Git, Azure DevOps, and CI/CD tools.