{"schemaVersion":"jobsearcher.job.v1","id":"a657db5263545c4e5f375557","url":"https://jobsearcher.com/jobs/a657db5263545c4e5f375557","canonicalUrl":"https://jobsearcher.com/jobs/a657db5263545c4e5f375557","title":"Senior Software Engineer (Quantum Computing)","description":"Infleqtion is on a mission to commercialize atom-based quantum technologies that deliver orders-of-magnitude improvements in sensing and computing applications. We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our Quantum Computing mission forward.\nAt Infleqtion we embrace a startup mentality driven by results, urgency, and customer-focused innovation:\nWe break down barriers between disciplines, stepping in wherever we can make the biggest impact.\nWe thrive in uncertainty, embracing challenges as opportunities.\nWe move quickly to prototype while never losing sight of the critical importance of systems engineering process and attention to detail.\nWe take bold, calculated risks to drive progress.\nWe are seeking a Senior Software Engineer to join the team building the control system software for Infleqtion’s quantum computers. The ideal candidate is an experienced backend engineer with a strong background in creating robust and scalable scientific applications. You will play a crucial role in designing, building, and maintaining backend services and control systems that drive our neutral atom quantum machines.\nJOB RESPONSIBILITIES\nThe duties and responsibilities outlined below include essential functions of the role. Depending on business needs, this role may perform a combination of some or all of the following duties. Duties, responsibilities, and activities may change, or new ones may be assigned at any time.\n\nDesign, develop, and deploy reliable, maintainable, scalable, and fault-tolerant backend services and frameworks that control and calibrate our neutral atom quantum computers.\nCollaborate with interdisciplinary teams, including scientists, opto-mechanical engineers, and electrical engineers, to solve complex problems and deliver high-quality software solutions.\nEmpower interdisciplinary teams to create the tools they need by teaching engineering and programming best practices.\nMentor and guide junior engineers, fostering their growth and enhancing the team's technical expertise.\nLead code and design reviews, upholding engineering best practices and promoting a culture of quality and collaboration.\nSupport and debug all layers of the control stack from real-time embedded kernels to distributed services.\nAdvocate for and implement innovative software development methodologies and tools to improve team efficiency and product quality.\n\nRequirements\n\nBachelor's degree in Computer Science, Applied Mathematics, Physics or related field and a minimum of 5 years prior work experience\nExperience with Python and at least one compiled language, with a desire to learn and work in Rust\nExperience with Linux and virtualization technologies like Docker\nGood verbal and written communication skills, able to effectively share information with technical and non-technical staff\nGood collaboration skills, able to work in a team environment where engagement and participation are an expected part of successful job performance\nSkilled in typical software engineering disciplines: testing, debugging, revision control, error-handling, readability, documentation, general code health, etc.\nDesire to constantly improve and learn inside and outside of expertise\nPREFERRED EXPERIENCE:\nDomain-specific experience in statistics, machine learning, or AMO physics\nExperience with Numpy, Scipy, and Pytorch\nExperience with image analysis, emphasis on realtime object detection\nExperience with databases (relational and non-relational) including but not limited to timeseries data, SQL, and ETL processes\nExperience creating CI/CD pipelines, and Python package creation with C or Rust extensions\n\nBenefits\n\nThe targeted salary range for this role is $106,000 to $145,000 on an annualized basis plus eligibility to participate in our annual incentive plan.\nIn addition to your base compensation, we offer a generous Total Rewards program which includes:\n\n100% company paid Employee coverage for Medical, Dental, Vision, and Short/Long Term Disability insurance programs\nEmployer funded Health Savings Account\nUnlimited Paid Time Off\n401(k) Matching Programs\nCompany paid Life and AD&D Insurance\nFlexible Healthcare Savings Account\nPaid FMLA Leave\nPaid Maternity/Paternity Leave\nEmployer Assistance Program\nStudent Loan Repayment\nNotice to Recruitment Agencies:\nInfleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.\nEqual Opportunity\nHere you have freedom to embrace your whole self: who you love, your gender identity and expression, skin color, age, appearance, disability, neurodiversity, DNA, military/veteran status, citizenship, and other factors that make up who you are. Your uniqueness is valued, welcomed, and appreciated here. We are dedicated to providing a positive workplace and base all employment decisions on your qualifications, performance, merits, as well as business needs. We are proud to be an Equal Employment Opportunity Employer.","company":"Infleqtion","rawCompany":"infleqtion","city":"Chicago","state":"IL","isRemote":false,"isActive":false,"createdAt":"2026-08-03T10:09:28.248Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Software Engineer (Quantum Computing)","description":"Infleqtion is on a mission to commercialize atom-based quantum technologies that deliver orders-of-magnitude improvements in sensing and computing applications. We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our Quantum Computing mission forward.\nAt Infleqtion we embrace a startup mentality driven by results, urgency, and customer-focused innovation:\nWe break down barriers between disciplines, stepping in wherever we can make the biggest impact.\nWe thrive in uncertainty, embracing challenges as opportunities.\nWe move quickly to prototype while never losing sight of the critical importance of systems engineering process and attention to detail.\nWe take bold, calculated risks to drive progress.\nWe are seeking a Senior Software Engineer to join the team building the control system software for Infleqtion’s quantum computers. The ideal candidate is an experienced backend engineer with a strong background in creating robust and scalable scientific applications. You will play a crucial role in designing, building, and maintaining backend services and control systems that drive our neutral atom quantum machines.\nJOB RESPONSIBILITIES\nThe duties and responsibilities outlined below include essential functions of the role. Depending on business needs, this role may perform a combination of some or all of the following duties. Duties, responsibilities, and activities may change, or new ones may be assigned at any time.\n\nDesign, develop, and deploy reliable, maintainable, scalable, and fault-tolerant backend services and frameworks that control and calibrate our neutral atom quantum computers.\nCollaborate with interdisciplinary teams, including scientists, opto-mechanical engineers, and electrical engineers, to solve complex problems and deliver high-quality software solutions.\nEmpower interdisciplinary teams to create the tools they need by teaching engineering and programming best practices.\nMentor and guide junior engineers, fostering their growth and enhancing the team's technical expertise.\nLead code and design reviews, upholding engineering best practices and promoting a culture of quality and collaboration.\nSupport and debug all layers of the control stack from real-time embedded kernels to distributed services.\nAdvocate for and implement innovative software development methodologies and tools to improve team efficiency and product quality.\n\nRequirements\n\nBachelor's degree in Computer Science, Applied Mathematics, Physics or related field and a minimum of 5 years prior work experience\nExperience with Python and at least one compiled language, with a desire to learn and work in Rust\nExperience with Linux and virtualization technologies like Docker\nGood verbal and written communication skills, able to effectively share information with technical and non-technical staff\nGood collaboration skills, able to work in a team environment where engagement and participation are an expected part of successful job performance\nSkilled in typical software engineering disciplines: testing, debugging, revision control, error-handling, readability, documentation, general code health, etc.\nDesire to constantly improve and learn inside and outside of expertise\nPREFERRED EXPERIENCE:\nDomain-specific experience in statistics, machine learning, or AMO physics\nExperience with Numpy, Scipy, and Pytorch\nExperience with image analysis, emphasis on realtime object detection\nExperience with databases (relational and non-relational) including but not limited to timeseries data, SQL, and ETL processes\nExperience creating CI/CD pipelines, and Python package creation with C or Rust extensions\n\nBenefits\n\nThe targeted salary range for this role is $106,000 to $145,000 on an annualized basis plus eligibility to participate in our annual incentive plan.\nIn addition to your base compensation, we offer a generous Total Rewards program which includes:\n\n100% company paid Employee coverage for Medical, Dental, Vision, and Short/Long Term Disability insurance programs\nEmployer funded Health Savings Account\nUnlimited Paid Time Off\n401(k) Matching Programs\nCompany paid Life and AD&D Insurance\nFlexible Healthcare Savings Account\nPaid FMLA Leave\nPaid Maternity/Paternity Leave\nEmployer Assistance Program\nStudent Loan Repayment\nNotice to Recruitment Agencies:\nInfleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.\nEqual Opportunity\nHere you have freedom to embrace your whole self: who you love, your gender identity and expression, skin color, age, appearance, disability, neurodiversity, DNA, military/veteran status, citizenship, and other factors that make up who you are. Your uniqueness is valued, welcomed, and appreciated here. We are dedicated to providing a positive workplace and base all employment decisions on your qualifications, performance, merits, as well as business needs. We are proud to be an Equal Employment Opportunity Employer.","datePosted":"2026-08-03T10:09:28.248Z","dateModified":"2026-08-03T10:09:28.248Z","hiringOrganization":{"@type":"Organization","name":"Infleqtion","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Chicago","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"a657db5263545c4e5f375557"},"url":"https://jobsearcher.com/jobs/a657db5263545c4e5f375557"}}