Client Libraries Senior

Job Title: Senior Software Developer Client Libraries

Location: Chennai, India

About Us:

Advantest Test Solutions (ATS), located in Lake Forest, CA, is a leading company 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.

Position Overview:

We are seeking a Senior Software Developer with primary expertise in C# and strong additional skills in Java, C, C++, and Python for developing client libraries/SDKs that enable seamless integration with our platform services. This role focuses on designing, building, and maintaining high-performance, developer-friendly libraries that work consistently across multiple platforms and languages.

Essential Duties & Responsibilities:

• Design, develop, and maintain high-performance client libraries primarily in C#, with additional support for at least one of Java, C, C++, or Python.
• Experience with asynchronous programming, multi-threading, and application debugging.
• Strong knowledge in machine-to-machine communication, network setups, security, data transfer protocols, multi-threading, asynchronous programming, and network protocols such as TCP/IP, UDP, HTTP, and gRPC.
• Create SDKs and APIs for customers to interface with our semiconductor test systems, and package/distribute them as NuGet packages.
• Develop platform-agnostic and language-interoperable solutions for integration with Windows, Linux, and embedded systems.
• Work with SQL/NoSQL databases and optimize the data processing.
• Ensure libraries are well-documented, versioned, and optimized for performance and scalability.
• Work with Microsoft Azure for hosting, packaging, and distribution of client libraries.
• Collaborate with QA and test automation teams to develop robust unit, integration, and regression tests.
• Optimize for performance, memory usage, and cross-platform compatibility.
• Implement secure coding practices and maintain compliance with industry standards.
• Engage with product management and customer-facing teams to gather requirements and ensure usability.
• Support hybrid cloud and on-premises integration scenarios.
• Be willing to travel occasionally, including internationally (10%–20%).

Requirements, Education & Skills:

• Required: B.S. in Computer Science, Software Engineering, or related field; M.S. preferred.
• Minimum 7+ years of professional software development experience, with at least 5+ years in C#/.NET.
• Strong expertise in C# and .NET ecosystem (latest versions).
• Working proficiency in at least one of Java, C, C++, or Python for library development and maintenance.
• Experience with API design (REST, gRPC) and client-server integration.
• Knowledge of networking protocols (TCP/IP, HTTP/HTTPS, TLS).
• Proficiency in build, packaging, and distribution for C# (NuGet) and familiarity with publishing for other languages.
• Experience with semiconductor test systems or automated test equipment (ATE) is a plus.
• Experience with cross-platform development targeting Windows, Linux, and macOS.
• Familiarity with automated testing frameworks and CI/CD workflows.
• Strong communication skills and ability to collaborate in cross-functional teams.

Good to Have

• Experience with complex IDEs for hardware/software integration (OneImlx.Terminal or similar).
• Experience with cross-language bindings (e.g., SWIG, C++/CLI, Python C API).
• Familiarity with containerization (Docker, Kubernetes) and Azure Kubernetes Service (AKS).
• Experience with semiconductor test systems or hardware/software integration.

Why Join Us

• Be part of an innovative engineering team building next-generation semiconductor test solutions.
• Competitive compensation, global exposure, and career growth opportunities.