Hands-on Principal Software Engineer, Test Platform Systems

Advantest America; Lake Forest (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

Advantest America seeks a Hands-on Principal Software Engineer to own software architecture, design, coding, system integration, and debugging across SLT, Burn-In, and HPC semiconductor test platforms. You will work with testers, automated handlers, drivers, firmware, instrumentation, and distributed software platforms to deliver scalable solutions.

The role combines 70% hands-on coding with design leadership, mentoring, and reviews, while coordinating with global teams during integration and

Responsibilities

• Architect, design, and develop software for SLT, Burn-In, and HPC test platforms, test orchestration, equipment integration, messaging, and data services.
• Drives test driven development in Hardware-Centric Environments with high focus on unit and integration tests
• Remain approximately 70% hands-on in coding, integration, testing, debugging, and technical design.
• Develop cross-platform applications, SDKs, drivers, APIs, test programs, and equipment-control software using C#, .NET 10+, ASP.NET10+, Python, Blazor, and xUnit.
• Develop distributed messaging, telemetry, data pipelines, and orchestration using Apache Pulsar and PostgreSQL.
• Implement secure on-premises platform services using OIDC/OAuth 2.0 and related identity technologies.
• Integrate software with test hardware, firmware, electrical, mechanical, thermal, and instrumentation systems.
• Develop and integrate ActivATE/ActivATE360, device/instrumentation drivers, and test execution workflows.
• Implement SCAN, pattern execution, and vector-conversion workflows.
• Debug system-level issues across software, communications, firmware, hardware, and DUT execution.
• Work directly with customers and global engineering teams during integration and deployment.
• Gather requirements from customers, internal departments, and cross-BU partners; communicate tradeoffs and deliver solutions from design through production.
• Design for reliable execution, test-data integrity, fault recovery, and compatibility across independently evolving components.
• Mentor engineers and lead design/code reviews while remaining hands-on.
• All other duties as assigned.

Skills

C#

.NET

ASP.NET

Python

Blazor

xUnit

Software architecture

Mentoring

Code reviews

Tools

PostgreSQL

Apache Pulsar

OIDC/OAuth 2.0

Job description

Advantest America seeks a Hands-on Principal Software Engineer to own software architecture, design, coding, system integration, and debugging across SLT, Burn-In, and HPC semiconductor test platforms. You will work with testers, automated handlers, drivers, firmware, instrumentation, and distributed software platforms to deliver scalable solutions.

The role combines 70% hands-on coding with design leadership, mentoring, and reviews, while coordinating with global teams during integration and