Sr. Software Engineer

KLA-Belgium; Milpitas (CA); On-site; USD 136,000 - 200,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision coverage

401(k) with company match

Employee stock purchase program (ESPP)

Job summary

KLA in Milpitas, CA seeks a Software Engineer to advance Windows desktop applications for spectral analysis, optimization, recipe development and measurement validation in semiconductor metrology tools.

Collaborate with algorithm and application engineers to deliver robust, high‑performance, and user‑friendly software across UI/UX and data visualization. Strong C#/.NET and WPF skills are required.

Qualifications

• Doctorate or work experience of 0 years, Master's Level Degree or work experience of 2 years, Bachelor's Level Degree or work experience of 3 years.
• Proficiency in C# and .NET Framework.
• Experience with Windows Presentation Foundation desktop application development.

Responsibilities

• Translate complex measurement workflows into intuitive UI/UX designs.
• Develop and maintain Windows desktop applications for spectral analysis, troubleshooting, and measurement validation.
• Collaborate with algorithms and application engineers to understand needs and design solutions.
• Write clean, maintainable, and testable code with performance in mind.

Skills

C#

C++

WPF

MVVM

UI/UX

Git

Multi-threading

Async programming

Education

Doctorate (academic) or 0 years

Master's degree

Bachelor's degree

Tools

Git

LightningChart

Protobuf

Job description

To make electronics, you need chips, wafers, transistors, reticles, and...To make these, you must see, test and manufacture them at scale—faster and better than ever before. That's where KLA comes in. Whether you're early in your career or an experienced professional, you'll solve complex challenges, work alongside brilliant minds and help shape the future of technology.

Group/Division The Semiconductor Products and Customers (Semi PC) business unit designs, builds and sells KLA’s product portfolio to help chip manufacturers meet high-quality standards for technologies like AI, data centers, automotive and electronic devices. Our inspection, metrology, and analytics systems detect and monitor defects across logic and memory chips, specialty semiconductors, wafers, reticles, advanced packaging, process equipment and materials. We also develop technologies for specialty processes, IC substrates, and PCB manufacturing, including etch and deposition, component inspection, and imaging and analytics. The Film and Scatterometry Technology (FaST) division delivers industry-leading metrology solutions essential to advanced semiconductor manufacturing. Its portfolio includes systems for measuring film thickness, critical dimensions, composition, and resistivity—key to developing and scaling next‑gen IC processes. FaST partners closely with customers from early R&D through high-volume production, ensuring performance and process alignment.

What You’ll Do

In this role, you will play a key part in advancing business priorities by delivering high-impact work across your area of expertise.

Role Summary

We are seeking a Software Engineer to join our team, focused on the development and enhancement of Windows desktop applications used for spectral analysis, optimization, recipe development and measurement validation in semiconductor manufacturing metrology tools for yield improvement. This role involves close collaboration with algorithm and application engineers to deliver robust, high‑performance, and user‑friendly engineering software.

Key Responsibilities

Collaborate with algorithms and application engineers to translate complex measurement workflows into intuitive and effective UI/UX Design. Develop, and maintain Windows desktop application features for spectral analysis, troubleshooting, and measurement validation used in semiconductor manufacturing metrology workflows. Perform requirements analysis and design by working with stakeholders, and domain experts to understand functional and non‑functional needs. Contribute to software design by producing clear design approaches for features, components, and workflows before implementation. Implement interactive data visualization components, including charts, heat maps, and data tables. Integrate frontend components with backend computation libraries. Leverage AI‑assisted development tools (e.g., Claude, GitHub Copilot) to accelerate development, refactoring, and code reviews. Write clean, maintainable, and testable code with attention to performance and usability. Debug and resolve software defects reported by internal users and customers. Participate in code reviews and contribute to continuous improvement of development practices and coding standards.

Preferred Qualifications

Exposure to scientific, engineering, or data‑intensive software applications. Background in semiconductor manufacturing, metrology, or process control systems (a plus, not required). Experience with Caliburn.Micro or similar MVVM frameworks. Familiarity with advanced charting and visualization libraries (e.g., LightningChart, Syncfusion, or equivalent). Experience with Protobuf or other serialization or messaging frameworks.

Minimum Qualifications

Doctorate (Academic) or work experience of 0 years , Master's Level Degree or work experience of 2 years , Bachelor's Level Degree or work experience of 3 years. Proficiency in C# and .NET Framework. Proficient with UI/UX development. Experience with Windows Presentation Foundation desktop application development. Working knowledge of C++ and native/managed interop. Familiarity with asynchronous programming and multi‑threaded applications. Experience with version control systems such as Git. Strong problem‑solving and debugging skills. Effective written and verbal communication and collaboration abilities.

About KLA

We provide advanced inspection tools, metrology systems, process solutions and computational analytics that make electronics possible, tackling complex challenges. From electron and photon optics to machine learning and data analytics, we seek perfection at the most fundamental level of matter in the universe. If you want to make electronics that push industries forward and make the world a better place, join us.

Total Rewards Base Pay Range: $136,300.00 - $199,900.00 Annually Primary Location: USA-CA-Milpitas-KLA KLA’s total rewards package for employees may also include participation in performance incentive programs and eligibility for additional benefits including but not limited to: medical, dental, vision, life, and other voluntary benefits, 401(K) including company matching, employee stock purchase program (ESPP), student debt assistance, tuition reimbursement program, development and career growth opportunities and programs, financial planning benefits, wellness benefits including an employee assistance program (EAP), paid time off and paid company holidays, and family care and bonding leave. Interns are eligible for some of the benefits listed. Our pay ranges are determined by role, level, and location. The range displayed reflects the pay for this position in the primary location identified in this posting. Actual pay depends on several factors, including state minimum pay wage rates, location, job‑related skills, experience, and relevant education level or training. We are committed to complying with all applicable federal and state minimum wage requirements where applicable. If applicable, your recruiter can share more about the specific pay range for your preferred location during the hiring process.

Use of AI Statement

At KLA, our interviews seek to understand your individual skills, problem‑solving approach and authentic thinking. To ensure a fair and consistent evaluation, the use of AI, recording tools or other technologies to generate, suggest or provide responses during interviews—whether virtual or in person is not permitted unless explicitly approved in advance as part of a reasonable accommodation or invited by the interviewer. Use of these tools may interfere with our ability to evaluate your individual qualifications and affect your candidacy. KLA is committed to advancing innovation through responsible AI, and we value candidates who share this mindset.

Equal Opportunity Statement

KLA is proud to be an Equal Opportunity Employer. We will ensure that qualified individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process to perform essential job functions and receive other benefits and privileges of employment. Please contact us at [e-mail] or at [phone] to request accommodation. For additional information, view the US Know Your Rights poster on the U.S. Equal Employment Opportunity Commission website.

We do not accept resumes from headhunters, placement agencies, or other suppliers that have not signed a formal agreement with us.

Additional Information

Be aware of potentially fraudulent job postings or suspicious recruiting activity by persons that are currently posing as KLA employees. KLA never asks for any financial compensation to be considered for an interview, to become an employee, or for equipment. Further, KLA does not work with any recruiters or third parties who charge such fees either directly or on behalf of KLA. Please ensure that you have searched KLA’s Careers website for legitimate job postings. KLA follows a recruiting process that involves multiple interviews in person or on video conferencing with our hiring managers. If you are concerned that a communication, an interview, an offer of employment, or that an employee is not legitimate, please send an email to [e-mail] to confirm the person you are communicating with is an employee. We take your privacy very seriously and confidentially handle your information.