Principal Software Engineer

Principal Software Engineer

Advantest Test Solutions (ATS), located in Lake Forest, CA, is seeking a highly skilled Software Engineer to join our team. ATS stands at the forefront of the semiconductor industry, offering cutting-edge, massively parallel test infrastructure (IaaS) that serves customers worldwide. This role provides a unique opportunity for engineers with a diverse skill set, offering challenging projects and rewarding outcomes.

Essential Duties & Responsibilities:

• Possess in-depth expertise in the .NET ecosystem and proficiency in cross-platform development.

• Demonstrate the ability to engineer complex, high-performance software platforms (PaaS) tailored for on-premises deployment.

• Have extensive knowledge of distributed messaging systems, network protocols, and data engineering.

• Show a proven track record in creating robust cross-platform software infrastructure and systems, ensuring reliability and efficiency across diverse operating environments.

• Design, develop, and maintain software for the semiconductor and technology customer base, primarily for control and communication with mechatronic subsystems.

• Lead the modernization journey, including upgrading legacy software components.

• Actively code, design, document, and serve as a technical liaison for customers.

• Be willing to travel occasionally, including to international destinations.

• Perform all other duties as assigned.

Requirements, Education & Skills:

• Required: B.S. in Computer Science, Computer Engineering, Software Engineering, or related field; M.S. preferred. Dual degrees in EE, ME advantageous.

• 10+ years of software development experience, including 7+ years with .NET and C#.

• Proficiency in Apache Pulsar, Microsoft Azure, C++, C#, Python, SQL, NOSQL, and .NET Eco-system (Preferred xUnit, Fluent Assertions, Blazor, Playwright, Mocks, TDD)

• Hands-on experience in developing and deploying On-Prem and Hybrid solutions.

• Specialized in cross-platform server and terminal development using OneImlx.Terminal framework across Windows, Linux, and macOS.

• Demonstrated ability in large-scale distributed messaging systems, optimization of engineering software data flows (telemetry data throughput, data engineering), and technical design/documentation.

• Experience in translating technical visions into implementable technical statements of work and developing solutions for both On-Prem and Hybrid setups.

• Prior experience with semiconductor testers is desired.

• Experience working with or developing SW IDEs for semiconductor test systems is a huge plus.

• Specific experience with ActivATE SW platform and / or Advantest 93000 SOC platform / IDE (SmarTest) is a plus.

• Strong knowledge in machine-machine communication, network setups, security, data transfer protocols, multi-threading, asynchronous programming, and network (TCP/IP, UDP, HTPP and gRPC)

• Effective written and verbal communication skills.

• Ability and willingness to travel domestically and internationally, sometimes at short notice. Travel 10% - 20%.

• This is an on-site role in our Lake Forest, CA office.