Senior Software Developer: ILT (Inverse Lithography) Job ID 508120 Posted since 28-May-2026 Organization Digital Industries Field of work Research & Development Company Siemens Industry Software Inc. Experience level Experienced Professional Job type Full-time Work mode Hybrid (Remote/Office) Employment type Permanent Location(s) Fremont - California - United States of America Company: Siemens EDAJob Title: Senior Software Developer - ILT (Inverse Lithography)Job Reference #: 508120Job Location: Fremont, CA, Wilsonville, OR, Remote - USSiemens EDA is a global technology leader in Electronic Design Automation software. Our software tools enable companies around the world to develop highly innovative electronic products faster and more cost-effectively. Our customers use our tools to push the boundaries of technology and physics to deliver better products in the increasingly complex world of chip, board, and system design.We are looking for an addition to our team of software developers who design, implement, and enhance platform for the Calibre Resolution Enhancement Technology (RET) and Inverse Lithography (ILT) tools running on highly scalable distributed platforms. This position reports to the Calibre Semi ILT R&D manager. Responsibilities Include:• Develop novel solutions to complex problems• Present detailed technical proposals for discussions with peers and management• Implement high quality production ready software in C++• Perform detailed, quantitative analysis of performance and quality of the software• Improve the performance of massively parallel and highly scalable software platform• Research existing work in the field and applicable fields• Create regression tests and regularly monitor the software performance and quality• Quickly fix bugs in production softwareRequirements:• BSEE, MSEE/ MS or Ph.D. Computer Science, Electrical Engineering or related field with at least 8 years software development experience is required• Ability to Implement object oriented software in C++• Comfortably navigate large software source base and come up with novel solutions• Good knowledge and experience developing highly optimized scalable distributed systems in C++• Solid understanding software development for Linux• Solid understanding of Computer Science and Computer systems concepts and algorithmsNice to have experience:• Working in the EDA, specifically with lithography and optical proximity correction software• Experience developing features for large software systemsThe position will be based out of Bay Area location in USA or Wilsonville OR USA or possibly other.This position will be subject to U.S. export control requirements under the International Traffic in Arms Regulations (ITAR) and/or Export Administration Regulations (EAR). Employment is contingent on either verifying the U.S. Person status or obtaining any necessary export license. Why us?Working at Siemens Software means flexibility - Choosing between working at home and the office at other times is the norm here. We offer great benefits and rewards, as you'd expect from a world leader in industrial software. A collection of over 377,000 minds building the future one day at a time in over 200 countries. We're dedicated to equality, and we welcome applications that reflect the diversity of the communities we work in. All employment decisions at Siemens are based on qualifications, merit, and business need. Bring your curiosity and creativity and help us shape tomorrow!Siemens Software. Transform the Everyday with Us#LI-EDA#LI-EDA#LI-HYBRID You'll Benefit FromSiemens offers a variety of health and wellness benefits to our employees. Details regarding our benefits can be found here: https://www.benefitsquickstart.com/siemens/index.htmlThe pay range for this position is 129,600 - 233,300 annually with a target incentive of 5-10 of the base salary. The actual wage offered may be lower or higher depending on budget and candidate experience, knowledge, skills, qualifications, and premium geographic location. Equal Employment Opportunity StatementSiemens is an Equal Opportunity Employer encouraging inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law. EEO is the LawApplicants and employees are protected from discrimination on the basis of race, color, religion, sex, national origin, or any characteristic protected by Federal or other applicable law. Reasonable AccommodationsIf you require a reasonable accommodation in completing a job application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please fill out the accommodations form by clicking on this link Accommodation for disability form. If you're unable to complete the form, you can reach out to our AskHR team for support at 1-866-743-6367. Please note our AskHR representatives do not have visibility of application or interview status. Pay TransparencySiemens follows Pay Transparency laws. California Privacy Notice California residents have the right to receive additional notices about their personal information. To learn more, click here.Criminal History Qualified applications with arrest or conviction records will be considered for employment in accordance with applicable local and state laws. Job ID 508120 Posted since 28-May-2026 Organization Digital Industries Field of work Research & Development Company Siemens Industry Software Inc. Experience level Experienced Professional Job type Full-time Work mode Hybrid (Remote/Office) Employment type Permanent Location(s) Fremont - California - United States of America Company: Siemens EDAJob Title: Senior Software Developer - ILT (Inverse Lithography)Job Reference #: 508120Job Location: Fremont, CA, Wilsonville, OR, Remote - USSiemens EDA is a global technology leader in Electronic Design Automation software. Our software tools enable companies around the world to develop highly innovative electronic products faster and more cost-effectively. Our customers use our tools to push the boundaries of technology and physics to deliver better products in the increasingly complex world of chip, board, and system design.We are looking for an addition to our team of software developers who design, implement, and enhance platform for the Calibre Resolution Enhancement Technology (RET) and Inverse Lithography (ILT) tools running on highly scalable distributed platforms. This position reports to the Calibre Semi ILT R&D manager. Responsibilities Include:• Develop novel solutions to complex problems• Present detailed technical proposals for discussions with peers and management• Implement high quality production ready software in C++• Perform detailed, quantitative analysis of performance and quality of the software• Improve the performance of massively parallel and highly scalable software platform• Research existing work in the field and applicable fields• Create regression tests and regularly monitor the software performance and quality• Quickly fix bugs in production softwareRequirements:• BSEE, MSEE/ MS or Ph.D. Computer Science, Electrical Engineering or related field with at least 8 years software development experience is required• Ability to Implement object oriented software in C++• Comfortably navigate large software source base and come up with novel solutions• Good knowledge and experience developing highly optimized scalable distributed systems in C++• Solid understanding software development for Linux• Solid understanding of Computer Science and Computer systems concepts and algorithmsNice to have experience:• Working in the EDA, specifically with lithography and optical proximity correction software• Experience developing features for large software systemsThe position will be based out of Bay Area location in USA or Wilsonville OR USA or possibly other.This position will be subject to U.S. export control requirements under the International Traffic in Arms Regulations (ITAR) and/or Export Administration Regulations (EAR). Employment is contingent on either verifying the U.S. Person status or obtaining any necessary export license. Why us?Working at Siemens Software means flexibility - Choosing between working at home and the office at other times is the norm here. We offer great benefits and rewards, as you'd expect from a world leader in industrial software. A collection of over 377,000 minds building the future one day at a time in over 200 countries. We're dedicated to equality, and we welcome applications that reflect the diversity of the communities we work in. All employment decisions at Siemens are based on qualifications, merit, and business need. Bring your curiosity and creativity and help us shape tomorrow!Siemens Software. Transform the Everyday with Us#LI-EDA#LI-EDA#LI-HYBRID You'll Benefit FromSiemens offers a variety of health and wellness benefits to our employees. Details regarding our benefits can be found here: https://www.benefitsquickstart.com/siemens/index.htmlThe pay range for this position is 129,600 - 233,300 annually with a target incentive of 5-10 of the base salary. The actual wage offered may be lower or higher depending on budget and candidate experience, knowledge, skills, qualifications, and premium geographic location. Equal Employment Opportunity StatementSiemens is an Equal Opportunity Employer encouraging inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law. EEO is the LawApplicants and employees are protected from discrimination on the basis of race, color, religion, sex, national origin, or any characteristic protected by Federal or other applicable law. Reasonable AccommodationsIf you require a reasonable accommodation in completing a job application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please fill out the accommodations form by clicking on this link Accommodation for disability form. If you're unable to complete the form, you can reach out to our AskHR team for support at 1-866-743-6367. Please note our AskHR representatives do not have visibility of application or interview status. Pay TransparencySiemens follows Pay Transparency laws. California Privacy Notice California residents have the right to receive additional notices about their personal information. To learn more, click here.Criminal History Qualified applications with arrest or conviction records will be considered for employment in accordance with applicable local and state laws.