Software Engineer 3

Posted 7 Days Ago
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Hwasun, Chŏlla, KOR
In-Office
Senior level
Semiconductor • Manufacturing
Onto Innovation stands alone in process control with our unique perspective across the semiconductor value chain.
The Role
Develop and maintain C#/.NET software integrating with complex semiconductor inspection and handling systems. Responsibilities include requirements analysis, software design, coding, testing, debugging, code reviews, performance optimization, documentation, CI/CD development, and customer-site support. The role involves hardware-software integration, machine vision, cleanroom work, field issue resolution, and collaboration with systems, applications, test, and field engineering teams.
Summary Generated by Built In

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.

Job Summary & Responsibilities

We are looking for an experienced and highly skilled Software Engineer to join our team. The ideal candidate will have a strong background in software development and a deep understanding of hardware systems. This role involves designing, developing, and maintaining software solutions that interface with complex semiconductor capital equipment handling systems.

Key Responsibilities:

  • Collaborate in a team setting to develop new features, develop prototypes and support field issues in a CI/CD environment  
  • Key member of a small team of software engineers supporting full software lifecycle activities for the Inspection Business Unit (IBU).
  • Participate in New Product Development (NPD) activities by collaborating in a team setting to develop new features, develop prototypes and support field issues in a CI/CD environment
  • Develop and maintain software applications that integrate with complex semiconductor handling systems.
  • Collaborate with Onto Applications team and customers to help define customer specific enhancements and new features
  • Conduct thorough testing and debugging of software to ensure high-quality and reliable operation
  • Participate in the design and implementation of new features and functionalities
  • Perform requirement analysis and capture, develop detailed SW designs, code and participate in helping develop test plans
  • Perform design/code reviews for all deliverables, collaborating with the systems engineers, other software developers, software test engineers, and other technical staff
  • Optimize software performance and ensure scalability
  • Document software designs, processes, and troubleshooting steps
  • Stay updated with the latest industry trends and technologies in software development and hardware-software integration
  • Support software and tool integration efforts at customer sites and in cleanroom environments, identifying and resolving system-level issues.
  • Participate in on-site debugging and issue resolution in collaboration with field engineers and application teams.

Qualifications

Qualifications:

  • Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or related field.
  • 5+ years of software development experience for highly technical, industrial, or mission-critical applications.
  • 3+ years of professional experience developing in C# / .NET (e.g., .NET Framework/.NET, WPF/WinForms, services).
  • Hands-on experience in image processing and/or machine vision.
  • Strong troubleshooting skills across development and deployment environments, with proven ability to isolate and resolve complex hardware–software interaction issues.
  • Solid understanding of object-oriented design, design patterns, and clean coding practices.
  • Experience developing and debugging multi-threaded applications; exposure to distributed systems is a plus.
  • Familiarity with hardware/software integration, including working with electromechanical systems, automation equipment, or automated test tools.
  • Excellent verbal and written communication skills in English; able to communicate clearly with global teams and customers.
  • Strong analytical thinking and creative problem-solving skills; self-driven, proactive, and able to work independently.
  • Ability to learn new technologies through OJT, documentation, and technical reading.
  • Experience supporting debugging/troubleshooting in customer sites or production environments.
  • Ability and willingness to work in a cleanroom environment, including compliance with gowning and safety requirements.
  • Willingness to travel up to ~20%.

Preferred Qualifications:

  • SEMI SECS/GEM (SECS-II / HSMS, GEM) experience: integration, troubleshooting, or host/equipment communication.
  • Experience with SEMI-standard AOI tools or semiconductor inspection systems.
  • Familiarity with hardware communication protocols and embedded systems.
  • Experience with SQL Server and relational database design/queries.
  • Experience participating in code reviews and providing constructive feedback.

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., 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 US Citizens, US 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.

Skills Required

  • Bachelor’s or master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field
  • 5+ years of software development experience for highly technical, industrial, or mission-critical applications
  • 3+ years of professional experience developing in C# and .NET, including .NET Framework/.NET, WPF/WinForms, or services
  • Hands-on experience in image processing and/or machine vision
  • Strong troubleshooting skills for complex hardware-software interaction issues
  • Understanding of object-oriented design, design patterns, and clean coding practices
  • Experience developing and debugging multithreaded applications
  • Familiarity with hardware/software integration, electromechanical systems, automation equipment, or automated test tools
  • Excellent verbal and written English communication skills
  • Strong analytical thinking, creative problem-solving, self-direction, and ability to work independently
  • Ability to learn new technologies through on-the-job training, documentation, and technical reading
  • Experience debugging and troubleshooting at customer sites or in production environments
  • Ability and willingness to work in a cleanroom and comply with gowning and safety requirements
  • Willingness to travel up to approximately 20%
  • SEMI SECS/GEM experience, including SECS-II, HSMS, GEM integration, troubleshooting, or host/equipment communication
  • Experience with SEMI-standard AOI tools or semiconductor inspection systems
  • Familiarity with hardware communication protocols and embedded systems
  • Experience with SQL Server and relational database design or queries
  • Experience participating in code reviews and providing constructive feedback

Onto Innovation Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Onto Innovation and has not been reviewed or approved by Onto Innovation.

  • Equity Value & Accessibility — An employee stock purchase plan and broad equity eligibility provide accessible ownership opportunities as part of total compensation. Company materials reference active equity programs, signaling tangible value beyond base pay.
  • Healthcare Strength — Medical, dental, and vision coverage with HSA/FSA options form a comprehensive health package that is often characterized as good. Wellness resources and employer-verified plan details reinforce perceived healthcare depth.
  • Retirement Support — A 401(k) with company match supports long-term financial security. Company materials and benefits pages highlight these retirement features as core elements of the package.

Onto Innovation Insights

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The Company
HQ: Wilmington, MA
1,146 Employees
Year Founded: 2019

What We Do

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.

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