Senior Software Engineer

Job Summary & Responsibilities

We are seeking a highly skilled SeniorSoftware Engineer to design, develop, and optimize low-level software components that power our next-generation systems. In this role, you will be engaged throughout the full software development lifecycle—from gathering and analyzing customer requirements to designing, implementing, and debugging software for advanced equipment in the semiconductor industry.

• Design, develop, and maintain robust .NET applications using C# and WPF.
• Collaborate with cross-functional teams to translate customer needs into technical requirements.
• 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.

Qualifications

• Bachelor's or Master's degree in Computer Science, Mathematics, Physics, or a related Engineering discipline.
• 5+ years of professional software development experience, with strong proficiency in .NET and C#.
• Solid understanding of object-oriented programming (OOP) principles, software architecture, and design patterns.
• Hands-on experience with motion control systems and metrology tools.
• Experience designing and developing graphical user interfaces (GUI) using WPF.
• Proficiency in client/server communication technologies, including WCF and TCP/IP.
• Experience interfacing with hardware using various communication protocols.
• Familiarity with SEMI industry standards and semiconductor equipment software integration.
• Working knowledge of Agile/Scrum development methodologies and source control tools such as Git.
• Excellent communication, collaboration, problem-solving, and time management skills.

Why Join Onto Innovation?

At Onto Innovation, we believe your work should matter—and so should your well-being. That’s why we offer competitive salaries and a comprehensive benefits package designed to support you and your family. From health, dental, and vision coverage to life and disability insurance, PTO, and a 401(k) with employer match, we’ve got you covered. You’ll also enjoy access to our Employee Stock Purchase Program (ESPP), wellness initiatives, and cutting-edge tools—all within a collaborative, inclusive culture where your contributions are valued and recognized.

Compensation & Growth

• Base Salary Range:

$86,400.00 - $129,600.00, offered in good faith and based on experience, location, and qualifications.

• Additional Rewards: Annual bonus opportunities and potential long-term incentives tied to both company and individual success.