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.
This position is within the Analysis Software Division and is part of the core software development team for AiDiffract, a complex analysis software system for optical critical dimension (OCD) metrology. The role participates in all phases of the software development life cycle, including requirements engineering, design, implementation, testing, deployment, and maintenance. If you are passionate about delivering high-quality software products, improving software development processes, and developing innovative solutions for complex metrology challenges in the semiconductor industry, you would be a great fit for our team.
We are seeking a Senior Software Engineer to join the AiDiffract core software development team within the Analysis Software Division. This role will contribute to the design, development, testing, and maintenance of advanced software for optical critical dimension metrology in the semiconductor industry. The ideal candidate has strong software engineering skills, experience with C/C++, C#, or Python, and a solid foundation in data structures, object-oriented design, and DevOps practices. Experience with AI-assisted software development tools is expected, including the ability to responsibly evaluate AI-generated code and apply AI to improve productivity, testing, and documentation. Candidates with hands-on experience in either physics-based modeling or machine learning, especially for metrology, semiconductor, or scientific software applications, are strongly preferred.
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.
$115,200.00 - $172,800.00, offered in good faith and based on experience, location, and qualifications.
Empowering Every Voice to Shape the Future:
Onto Innovation is committed to creating a workplace where every qualified candidate has an equal opportunity to succeed. We evaluate applicants based on skills, experience, and potential - without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, veteran status, or any other characteristic protected by law. We believe diversity of thought and background drives innovation and strengthens our team.
Important Note on Export Compliance
For certain positions requiring access to technical data, U.S. export licensing review may be necessary for applicants who are not U.S. Citizens, Permanent Residents, or other protected persons under 8 U.S.C. 1324b(a)(3).
Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: Un-patterned wafer quality; 3D metrology spanning chip features from nanometer scale transistors to large 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. Headquartered in Wilmington, Massachusetts, Onto Innovation supports customers with a worldwide sales and service organization. We are traded on the New York Stock Exchange under the symbol ONTO.
