Senior Software Engineer

advantestcareers; Lake Forest (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

Advantest seeks a hands-on Senior Software Engineer to drive software architecture and development across SLT, Burn-In, and HPC test platforms in Lake Forest, CA. The role collaborates with testers, drivers, firmware, and data services to deliver robust, secure, and scalable software.

The ideal candidate will own architecture from design to production, using C#/.NET, Python, Blazor, and modern testing practices.

Qualifications

• Must have hands-on software engineering experience with architecture through production deployment.
• Strong expertise in C#/.NET, distributed systems, and debugging across complex platforms.
• Experience integrating software with hardware, drivers, or test systems is highly desirable.

Responsibilities

• Architect, design, and develop software for test platforms and data services.
• Lead unit/integration tests and drive test-driven development in hardware-centric environments.
• Spend ~85% of time coding, integrating, testing, and debugging across software, firmware, and hardware.

Skills

C#/.NET

Distributed systems

Multithreading

Asynchronous programming

APIs

Debugging

Education

Bachelor's degree in computer science / computer engineering / electrical engineering

Tools

Python

Blazor

xUnit

ASP.NET

PostgreSQL

Apache Pulsar

OIDC/OAuth 2.0

Job description

Senior Software Engineer

Position Overview

Hands-on Senior Software Engineer responsible for software architecture, design, coding, system integration, and debugging across SLT, Burn-In, and HPC Semiconductor test platforms. The role works directly across semiconductor testers, automated handlers, software drivers, firmware, instrumentation, thermal systems, test programs, and distributed software platforms.

Key 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 85% 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.NET+, 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.

Required Qualifications

• 8+ years of software engineering experience with strong hands-on technical leadership.
• Deep expertise in C#/.NET, distributed systems, multithreading, asynchronous programming, APIs, and debugging.
• Experience integrating software with physical equipment, firmware, drivers, or semiconductor/industrial test systems.
• Experience owning architecture through implementation, integration, and production deployment.
• Strong Knowledge of TCP/IP, UDP, HTTP, and gRPC.
• Bachelor's degree in computer science, computer engineering, electrical engineering, or a related field, or equivalent practical experience.
• Must be willing to work onsite at our Lake Forest, CA office.

Preferred Qualifications

• Experience with SLT, Burn-In, ATE, HPC, ActivATE/ActivATE360, or Advantest 93000.
• Experience with digital tests, test programs, device drivers, instrumentation, and hardware-in-the-loop testing.
• Experience delivering cross-platform and on-premises software in semiconductor production environments.

Additional Requirements

• Willingness to work in an on-prem and on-site setup (No Hybrid) in Lake Forest, CA.
• Ability and willingness to travel domestically and internationally, sometimes on short notice
• Strong written and verbal communication skills