Senior Software Engineer

Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include 3D metrology spanning the chip from nanometer-scale transistors to micron-level die-interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging. Our breadth of offerings across the entire semiconductor value chain helps our customers solve their most difficult yield, device performance, quality, and reliability issues.

Onto Innovation strives to optimize customers’ critical path of progress by making them smarter, faster and more efficient.

• Collaborate with cross‑functional teams to translate customer needs into technical requirements.
• Design, develop, and maintain robust .NET applications using C# and WPF.
• Implement client‑server communication using WCF, TCP/IP, and other protocols.
• Develop and integrate low‑level hardware control interfaces via TCP/IP, serial, or other communication protocols.
• Participate in code reviews, unit testing, and system integration.
• Contribute to the continuous improvement of software architecture and development processes.

• Bachelor’s or Master’s degree in Computer Science, Mathematics, Physics, or a related engineering discipline.
• 5+ years of professional software development experience with .NET, C#, etc.
• Strong understanding of object‑oriented programming and design patterns.
• Experience with WPF for GUI design and implementation.
• Proficiency in client‑server communication technologies such as WCF and TCP/IP.
• Experience interfacing with hardware through various communication protocols.
• Familiarity with metrology tools and SEMI‑industry standards is a plus.
• Knowledge of Agile/SCRUM methodologies and tools like Git.
• Experience with databases, including writing queries and stored procedures.
• Exposure to image processing techniques is a strong advantage.
• Excellent communication, teamwork, and time‑management skills.

Onto Innovation Inc. offers competitive salaries and a generous benefits package, including health/dental/vision/life/disability, PTO, 401K plan with employer match, and an Employee Stock Purchase Program (ESPP) along with health & wellness initiatives. We provide a collaborative working environment along with resources, and state‑of‑the‑art tools & equipment to promote success; and a welcoming, inclusive corporate culture where individuals are recognized for their contributions.

Onto Innovation Inc. is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, national origin, genetic information, age, disability, veteran status, or any other legally protected basis.

For positions requiring access to technical data, Onto Innovation Inc. may have to obtain export licensing approval from the U.S. Department of Commerce – Bureau of Industry and Security and/or the U.S. Department of State – Directorate of Defense Trade Controls. As such, applicants for this position – except U.S. Citizens, U.S. Permanent Residents, and protected individuals as defined by 8 U.S.C. 1324b(a)(3) – may have to go through an export licensing review process.