Senior Software Engineer
Role Summary
We are seeking a Senior Software Engineer to design, develop, and maintain software for semiconductor Automatic Test Equipment (ATE).
Depending on background and expertise, this role may focus on instrumentation software, shared or platform-level software, or diagnostics, calibration, and verification (DCV).
This position involves close collaboration with software, firmware, hardware, and applications engineers across global teams, and is well-suited for engineers who enjoy working with complex, long-lived systems and value technical depth, ownership, and collaboration.
Key Responsibilities
Design, develop, and maintain ATE software, including instrumentation software, shared or platform-level software, or DCV-related functionality
Collaborate closely with other software engineers, as well as firmware, hardware, and applications engineers, throughout the design, development, integration, testing, and support of ATE solutions
Participate in requirements discussions, technical design reviews, code reviews, and software release activities
Troubleshoot and resolve complex issues involving software behavior, firmware interactions, and hardware dependencies
Contribute to software quality with an emphasis on reliability, diagnosability, performance, and long-term maintainability
Support and enhance legacy systems while contributing to new features and ongoing platform evolution
Identify opportunities to improve development processes, tools, and engineering practices
Qualifications
B.S. or M.S. in Computer Science, Computer Engineering, or Electrical Engineering with substantial software development experience
Strong proficiency in C++ and object-oriented programming
Experience working in Linux-based development environments
5+ years of experience developing and maintaining complex, production-quality software systems
Experience in one or more of the following areas is preferred:
Instrumentation or hardware control software
Shared or platform-level software used across multiple systems or configurations
Diagnostics, calibration, or verification software
Solid understanding of the software development lifecycle
Strong analytical, debugging, and problem-solving skills
Ability to work independently while collaborating effectively within cross-functional and cross-site teams
Effective verbal and written communication skills in English
Nice to Have
Experience with semiconductor ATE or industrial automation systems
Experience supporting customer-facing or field engineering activities
Familiarity with lab equipment such as oscilloscopes, logic analyzers, or multimeters
Hardware-related knowledge relevant to diagnostics, calibration, or verification work
Top Skills
What We Do
Cohu is a leading supplier of semiconductor test and inspection & metrology handlers, micro-electromechanical system (MEMS) test modules, test contactors, thermal sub-systems and semiconductor automated test equipment used by global semiconductor and electronics manufacturers and semiconductor test subcontractors. Our product portfolio is focused on increasing yield, reducing cost of test, and accelerating time-to-market. Cohu is a publicly traded (NASDAQ: COHU) global company with headquarters in Poway, CA. We have a global footprint with ~3,000 employees. We are the leading supplier of Semiconductor Test and Inspection & Metrology Handlers and Test Contactors. We have market leadership in RF Power Amplifier/Front-End Module Testing.







