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Unlimited leave · Software Engineer

Quantum Software Engineer - Quantum Error Correction - QEC

Infleqtion · Chicago · United States

Full time USD 145k–170k / year Posted Open until 18 Oct 2026

The job, in the employer's words

Job Summary

The newly hired QEC is responsible for designing and optimizing error correcting codes (QECs) for experimental quantum computing devices, modeling and analyzing QEC schemes, and advancing the understanding of QEC.

Job Responsibilities

The 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:

  • Identify and pursue research that advances the understanding of QEC theory, techniques, and implementation in experimental quantum computing devices
  • Develop and optimize QEC protocols tailored to experimental gate-based quantum computing devices, with a primary focus on neutral atom platforms
  • Use mathematical models and numerical simulations to analyze the behavior and performance of QEC protocols
  • Develop and implement custom QEC decoders
  • Contribute to the identification and mitigation of noise processes in quantum systems
  • Collaborate with experimental physicists and software engineers to bridge the gap between theoretical concepts and practical implementation
  • Communicate and interpret cutting-edge research in both theory and experiment with colleagues
  • Engage with the broader scientific community by publishing research findings in scientific journals and presenting at conferences
  • Stay up to date with the latest developments in QEC and related field
  • Provide guidance and support to other team members, fostering a collaborative research environment

Requirements

  • PhD in theoretical physics, mathematics, computer science, or another field closely related to quantum information science
  • 2+ years of postdoctoral experience (or industry equivalent) in QEC is highly preferred
  • Experience in tailoring error-correcting codes for quantum computing devices, and bridging the gap between theory and experiment
  • Strong scientific publication record
  • Proficient in scientific computing
  • Demonstrated ability to work and communicate with all levels of an organization; professional-level communication skills, including verbal, written, and presentation skills
  • Demonstrated ability to work comfortably in a highly collaborative, cross-functional, team-oriented, and matrixed environment
  • Desire and demonstrated ability to thrive and produce results in a fluid, dynamic, and fast-paced environment
  • Demonstrated ability to learn new and complex topics quickly
  • Resourceful problem-solver who collaboratively identifies effective paths forward with demonstrated expertise in executing productization efforts
  • Passion for solving complex problems and challenges in a highly technical and scientific environment
  • Ability to travel domestically and (potentially) internationally up to 10%

Benefits

  • Salary range: $145,000 to $170,000 per year
  • 100% company-paid medical, dental, vision, short/long-term disability  
  • Employer-funded Health Savings Account  
  • Unlimited PTO  
  • 401(k) match  
  • Company-paid Life and AD&D Insurance  
  • Flexible Savings Account  
  • Paid FMLA, Maternity/Paternity Leave  
  • Employee Assistance Program  
  • Student Loan Repayment 
  • Equity Package

Equal Opportunity

Here 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.

Note

This position may require access to information protected under U.S. export control laws and regulations for quantum computing technology. Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license.

Contact Information

If this opportunity interests you and you fit the job description, please submit an application. If you need assistance or an accommodation due to disability, please feel free to contact us at hr@infleqtion.com.

Notice to Recruitment Agencies:

Infleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.

Benefits mentioned

  • Salary range: $145,000 to $170,000 per year
  • 100% company-paid medical, dental, vision, short/long-term disability
  • Employer-funded Health Savings Account
  • Unlimited PTO
  • 401(k) match
  • Company-paid Life and AD&D Insurance
  • Flexible Savings Account
  • Paid FMLA, Maternity/Paternity Leave
  • Employee Assistance Program
  • Student Loan Repayment
  • Equity Package

Requirements mentioned

  • PhD in theoretical physics, mathematics, computer science, or another field closely related to quantum information science
  • 2+ years of postdoctoral experience (or industry equivalent) in QEC is highly preferred
  • Experience in tailoring error-correcting codes for quantum computing devices, and bridging the gap between theory and experiment
  • Strong scientific publication record
  • Proficient in scientific computing
  • Demonstrated ability to work and communicate with all levels of an organization; professional-level communication skills, including verbal, written, and presentation skills
  • Demonstrated ability to work comfortably in a highly collaborative, cross-functional, team-oriented, and matrixed environment
  • Desire and demonstrated ability to thrive and produce results in a fluid, dynamic, and fast-paced environment
  • Demonstrated ability to learn new and complex topics quickly
  • Resourceful problem-solver who collaboratively identifies effective paths forward with demonstrated expertise in executing productization efforts
  • Passion for solving complex problems and challenges in a highly technical and scientific environment
  • Ability to travel domestically and (potentially) internationally up to 10%

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