Principal Software Engineer

Our client is looking for a highly skilled Principal Software Engineer to join our team in Lake Forest, CA. The ideal candidate will possess a deep technical background, focusing on hands-on software development and engineering high-performance software platforms.

Essential Duties & Responsibilities:
Possess in-depth expertise in the .NET ecosystem and proficiency in cross-platform development.
Proficiency in Apache Pulsar, Microsoft Azure, C++, C#, Python, SQL, NOSQL, and .NET ecosystem (Preferred xUnit, Fluent Assertions, Blazor, Playwright, Mocks, TDD).
Specialize in cross-platform server and terminal development using OneImlx.Terminal framework across Windows, Linux, and macOS.
Engineer complex, high-performance software platforms (PaaS) tailored for on-premises deployment.
Develop, design, 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.
Create robust cross-platform software infrastructure and systems, ensuring reliability and efficiency across diverse operating environments.
Extensive knowledge of distributed messaging systems, network protocols, and data engineering.
Actively code, design, document, and serve as a technical liaison for customers

Salary range $150,000-$180,000

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.

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-On site in Lake Forest, CA 5x/week
-Minimum of 8+ years of software development experience, including 5+ years with .NET and C#.
-B.S. in Computer Science, Computer Engineering, Software Engineering, or related field; M.S. preferred. Dual degrees in EE, ME advantageous.
-Hands-on experience in developing and deploying on-premises and hybrid solutions
-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-premises and hybrid setups
-Strong knowledge in machine-to-machine communication, network setups, security, data transfer protocols, multi-threading, asynchronous programming, and network (TCP/IP, UDP, HTTP, and gRPC).
-Ability and willingness to travel domestically and internationally, sometimes at short notice

- Experience working with or developing SW IDEs for semiconductor test systems is a huge plus
-Prior experience with semiconductor testers
- Specific experience with ActivATE SW platform and/or Advantest 93000 SOC platform/IDE (SmarTest)

Benefit packages for this role will start on the 31st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.