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# Senior Software Engineer

- **Company:** ADVANTEST LLC
- **Location:** Lake Forest, CA, United States
- **Experience:** Expert
- **Salary:** $104,000 - $208,000
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Application Programming Interfaces (APIs), Apache HTTP Server, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), Code Review, Computer Engineering, Continuous Integration, Data Transmissions, Information Engineering, Github, Python (Programming Language), NoSQL, Object-Oriented Software Development, Software Engineering, Software Systems, SQL Databases, Data Streaming, TCP/IP, Multithreading, Blazor, Xunit, Integration Tests, Information Technology, Playwright, Asynchronous Programming, Software Coding, Multiplatform, Docker
- **Published:** October 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=75a17b04cd3378d2

## About the Role

* Required: B.S. in Computer Science, Computer Engineering, Software Engineering, or related field; M.S. preferred. Dual degrees in EE, ME advantageous.
 * Minimum of 5 years of software development experience, including 3+ years with .NET and C#.
 * 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.
 * Should have worked in a team environment using GitHub or equivalent for source management.
 * Strong verbal and written communication skills with a demonstrated ability to explain complex technical issues to both technical and non-technical audiences.
 * Experience working with or developing SW IDEs for semiconductor test systems is a huge plus.
 * 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).

## Description

* Possess in-depth expertise in server-side, API, pub-sub, terminal development frameworks and technologies
 * Proficiency in Apache Pulsar, Microsoft Azure, Docker, OneImlx.Terminal, SQL, NOSQL, and .NET ecosystem (Preferred xUnit, Fluent Assertions, Blazor, Playwright, Mocks, TDD).
 * Proficiency in object-oriented languages and asynchronous programming, preferably in C++, C#, .NET, Python
 * Possess in-depth expertise in the .NET ecosystem and proficiency in cross-platform development.
 * Drive the design and implementation of reliable and scalable backend software solutions that solve critical customer problems and interact with numerous other services.
 * Deliver high-quality application code and contribute to overall code stability by conducting code reviews and writing unit and integration tests.
 * Contribute to the design/architecture of the project and develop software while implementing best practices for architecture, design, coding standards, and CI/CD.
 * Perform all other duties as assigned.