Senior Software Engineer

Advantest America Inc. is part of Advantest Corporation, the world’s largest provider of automated test equipment (ATE) for the semiconductor industry. The company designs and manufactures cutting-edge testing solutions that help semiconductor manufacturers ensure the quality and performance of their products. Advantest is known for innovation, reliability, and a strong commitment to supporting its customers and employees. Our Purpose & Values: Mission: Improve lives through advanced technologies and customer-focused innovation. Vision: Be the most trusted and valued test solution provider in the semiconductor value chain. Core Values: I- Innovation is our Lifeblood N- Number One is Our Aspiration T- Trust is our Foundation E- Empowerment is Our Motivation G- Global is our Reach R- Respect is our Heart I - Inclusion and Diversity is Our Commitment T- Teamwork is our Approach Y- Yes is Our Attitude Why Join Us At Advantest, innovation starts with people. We’re looking for curious, capable, and collaborative individuals ready to shape the future of semiconductor technology. You’ll join a global team where your ideas are valued, your growth is supported, and your work makes a real impact. We foster an integrity-centered culture, where honesty, inclusion, and respect are the foundation of everything we do. Job Description Senior Software Engineer About Advantest Test Solutions (ATS) Advantest Test Solutions (ATS) is a global leader in semiconductor test infrastructure, delivering high-performance, massively parallel test platforms to customers worldwide. Position Overview We are seeking a Senior Software Engineer with strong hands-on expertise in designing, building, and owning high-performance, cross-platform software platforms for semiconductor test systems. This role is focused on deep engineering, software product development, platform ownership, and customer-facing technical execution across SLT, Burn-In, and HPC environments. Key Responsibilities Design, develop, and maintain high-performance software platforms and products for on-premises and hybrid deployments Lead modernization of legacy software components into scalable, production-ready architecture Build cross-platform server and terminal applications (Windows, Linux, macOS), including development using the OneImlx.Terminal framework Expert in test program development using ActivATE® test platform system for SLT, BI and HPC ecosystem. Lead SW design and implementation with Electrical, Mechanical, Thermal engineering and create ActivATE360® SDK environment for developing device and instrumentation drivers Develop software, drivers, and test programs for advanced silicon targeting SLT (System Level Test), Burn-In, and HPC (High-Performance Computing) platforms Engineer software for control, communication, and data flow across mechatronic and semiconductor test subsystems Design, implement, and own SCAN execution and vector conversion pipelines across multiple digital pin-card configurations, ensuring correctness, scalability, and performance Engineer distributed systems supporting high-throughput telemetry, messaging, and data pipelines Work extensively with networking and communication protocols (TCP/IP, UDP, gRPC) Actively code, design, document, review, and support production-quality software Serve as a technical interface with customers and internal cross-functional teams Support on-site deployments and occasional domestic and international travel (10–20%) All other duties as assigned. Requirements Required Skills & Experience S. in Computer Science, Computer Engineering, Software Engineering, or related field (M.S. preferred) 7+ years of software development experience, including 5+ years with C# and .NET Strong expertise in the .NET ecosystem and cross-platform development Proficiency in C#, C++, Python, SQL, and NoSQL technologies Experience with Apache Pulsar, Microsoft Azure, and distributed messaging systems Strong background in multithreading, asynchronous programming, and high-performance systems Hands-on experience building and deploying on-premises and hybrid software platforms Demonstrated ability in large-scale data flows, telemetry throughput optimization, and system-level design Strong technical design, documentation, and communication skills Must be willing to work onsite in Lake Forest, CA. Preferred / Plus Qualifications Prior experience with semiconductor test systems and testers Experience developing or working with semiconductor test IDEs Familiarity with ActivATE™ and/or Advantest 93000 SOC platform (SmarTest) Experience with digital test, SCAN, pattern execution, and vector-based test flows Experience with modern test frameworks and practices (xUnit, FluentAssertions, TDD, Playwright, Blazor) Additional Requirements Ability and willingness to travel domestically and internationally, sometimes on short notice Strong written and verbal communication skills Benefits Overview * Global Bonus Program: Performance-based bonuses paid twice yearly. * 401(k) Plan: Pre-tax retirement savings with company match. * Medical, Dental & Vision: Multiple plan options including HMO, PPO, and HSA. * Income Protection: Life, disability, and accident insurance at no cost. * Flexible Spending Accounts: Healthcare and dependent care options. * Employee Assistance Program: Free support for personal and work-related issues. * Flexible Time Off: Accrual starts at hire, increases with service. * Paid Holidays: 13 company holidays annually. All Locations Lake Forest , California , United States Field of Activity Research & Development (Software Development) Salary Range $120k - $140k (depending on experience) EEO Statement EEO Statement Advantest is an Equal Opportunity Employer and embraces diversity in our employee population. It is the policy of Advantest to provide equal opportunity to all qualified applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status or special disabled veteran, marital status, pregnancy, genetic information, or any other legally protected status. The Advantest Way - Diversity, Equity, Inclusion and Belonging At Advantest, diversity, equity and inclusion are at the core of who we are. We are continuing to build a culture where everyone feels a sense of belonging through our DE&I programs & initiatives. We strive to have a diverse, equitable and inclusive workplace to enable us to attract and retain candidates that feel a sense of purpose and empowerment. Our commitment to DE&I is unwavering and we are steadfast in our mission to continuously foster an environment of respect, trust and transparency. We value diversity and inclusion and believe employees of all backgrounds contribute to our ongoing success. At Advantest, we celebrate and support the needs of our employees regardless of race, color, ethnicity, national origin, religion, age, disability, gender (including gender expression and gender identity), sex and sexual orientation. DE&I at Advantest is more than words to us, they are the Advantest Way. undefined Employer Privacy Policy This Company is an Equal Opportunity Employer, and does not discriminate on the basis of race, gender, ethnicity, religion, national origin, age, disability, veteran status, or on any other basis prohibited by law. 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