> Markdown version of [/jobs/ext/4583838-software-engineer-3](https://www.wearedevelopers.com/jobs/ext/4583838-software-engineer-3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer 3 - **Company:** Onto Innovation - **Location:** Wilmington, MA, United States - **Experience:** Expert - **Salary:** $96,800 - $145,200 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, C Sharp (Programming Language), C++ (Programming Language), Software Engineering, Systems Integration, Visual Systems, Image Acquisition, Information Technology - **Published:** November 5, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-3-wilmington-ma--048b6a79-0de5-422b-8c40-64a71042bf1c ## About the Role Software Engineering, Metrology, Semiconductors, Process Control Engineering, Value Chain Model, Leading Edge Technology, Customer Support/Service, Emerging Technology, Software Engineering, Capital Equipment, * 5 years of C++/C# software development experience * Experience in optical systems, image acquisition, processing * Experience in controlling mechanical and electrical systems * Experience in semiconductor capital equipment development desired * Bachelor's degree in Computer Science or equivalent * Willingness to travel internationally up to 20% ## Description 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., Onto Innovation is seeking a Software Engineer III to join our team in Wilmington, Massachusetts location. This role is part of team developing our next-generation proprietary semiconductor capital equipment used in inspection and metrology for advanced packaging applications, including AI and other emerging technologies. Specialized Expertise This position requires deep technical knowledge and hands-on experience in the following areas: * Motion control systems for precision equipment * Vision and image processing for sub-micron defect detection Key Responsibilities * Translate customer and product requirements into functional specifications * Design and implement algorithms for defect detection and metrology * Integrate 2D and 3D sensors into inspection systems * Optimize image acquisition and processing performance * Conduct design verification and system-level integration testing * Present technical solutions to application and product management teams * Support beta installations and evaluations at customer sites * Troubleshoot and resolve issues related to Firefly G3/G5 systems