Infleqtion

Full-stack quantum hardware and software

Quantum Software Engineer - Energy Grid Optimization

Software EngineeringConfirmed live in the last 24 hours

Full-timeChicago, IL, USA

About the Job

Requirements

A BS or MS in Computer Science, Physics, Applied Mathematics, Electrical Engineering, or a closely related field is required.
High proficiency in programming is required; Python fluency is preferred, or proficiency in C/C++ or Julia with the ability to rapidly upskill in Python.
Experience with quantum optimization algorithms, including QAOA, IQP circuits, or quantum annealing, is required.
Familiarity with theoretical aspects of quantum optimization algorithms, including parameter transfer, barren plateaus, and classical optimization algorithms, is required.
Experience with quantum error correction and partial quantum error correction techniques, including iceberg codes, encoding, and decoding, is required.
Familiarity with energy grid optimization, including unit commitment and N-k contingency, is required.
Experience optimizing quantum circuits, including mapping/routing and gate decomposition, is required.
Experience with both noiseless and noisy simulation of quantum circuits is required.
Experience running quantum circuits on quantum hardware and analyzing the results is required.
Experience with open-source quantum software frameworks such as Cirq or Qiskit is required; modifying these libraries is especially valued.
Professional-level verbal, written, and presentation communication skills and the ability to work and communicate with all organizational levels are required.
Ability to work comfortably in a collaborative, cross-functional, team-oriented, and matrixed environment is required.
Ability to learn new and complex topics quickly is required.
Resourceful problem-solving and demonstrated expertise in executing productization efforts are required.
A PhD in quantum computation, physics, computer science, or a directly related field is preferred.
Ability to be in the office any three days per week is required.
Ability to travel domestically and potentially internationally up to 10% is required.

Responsibilities

Conduct research and development toward advances in quantum technology, focusing on applications to energy grid optimization.
Write and test code applying quantum algorithms to energy grid optimization problems.
Interface and collaborate with external groups interested in using quantum computing to solve energy grid optimization problems.
Contribute to developing government and commercial energy grid optimization proposals.
Collaborate with experimental physicists and software engineers to connect theoretical concepts with practical implementation.
Publish research findings in scientific journals and present them at conferences.
Stay up to date with developments in quantum algorithms and energy grid optimization.
Provide guidance and support to other team members, fostering a collaborative research environment.

Desired Qualifications

Familiarity with quantum-computing concepts such as error correction, fault tolerance, native gate decomposition, qubit mapping and routing, and variational quantum algorithms.
Experience with advanced open-source quantum software frameworks such as Stim.
Familiarity with professional software engineering practices such as coverage, integration tests, type checking, unit tests, and version control.
Experience with backend development using tools such as FastAPI for web frameworks and PostgreSQL/SQLAlchemy for databases.
Experience with cloud development, especially on GCP and AWS.
Familiarity with CI/CD, automated actions, issue tracking, version control, and other GitHub features.
Familiarity with security best practices such as access control, encryption at rest, key rotation, and logging.
Exposure to or interest in front-end/GUI development, such as React, JavaScript, HTML/CSS, or PyQt.

Quantum Software Engineer - Energy Grid Optimization

Infleqtion · Chicago, United States (Hybrid) · Full-time · Posted 2026-07-31

Salary: USD 140,000–182,000

Workplace: hybrid

Department: Quantum Computing

Description

We are seeking a Quantum Software Engineer with expertise in quantum optimization algorithms and quantum error correction techniques and an interest in applying that expertise to energy grid optimization problems.

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:

Conduct R&D toward cutting-edge advances in quantum technology with a focus on applications to energy grid optimization
Write and test code to apply quantum algorithms to energy grid optimization problems
Interface and collaborate with external groups interested in using quantum computing to solve energy grid optimization problems
Contribute to development of government and commercial energy grid optimization proposals
Collaborate with experimental physicists and software engineers to bridge the gap between theoretical concepts and practical implementation
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 both quantum algorithms and energy grid optimization
Provide guidance and support to other team members, fostering a collaborative research environment

Requirements

Required Qualifications

BS or MS in Computer Science, Physics, Applied Mathematics, Electrical Engineering, or a closely related field
High proficiency in programming, with fluency in Python preferable. Proficiency in alternative languages (e.g., C/C++ or Julia) with the ability to rapidly upskill in Python.
Experience with quantum algorithms used for optimization applications: QAOA, IQP circuits, quantum annealing, etc.
Familiarity with theoretical aspects of quantum optimization algorithms: parameter transfer, barren plateaus, classical optimization algorithms, etc.
Experience with quantum error correction and partial quantum error correction techniques: iceberg codes, encoding, decoding, etc.
Familiarity with energy grid optimization: unit commitment, N-k contingency, etc.
Experience optimizing quantum circuits: mapping/routing, gate decomposition, etc.
Experience with both noiseless and noisy simulation of quantum circuits
Experience running quantum circuits on quantum hardware and analyzing the results thereof.
Experience with open-source quantum software frameworks, such as Cirq or Qiskit. Ideal candidates will have experience not only using these libraries but also modifying them.
Demonstrated ability to work and communicate will 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 be in the office any three days per week.
Ability to travel domestically and potentially internationally up to 10%.

Preferred Qualifications

PhD in quantum computation, physics, computer science, or a directly related field
Familiarity with concepts in quantum computing such as error correction, fault tolerance, native gate decomposition, qubit mapping and routing, and variational quantum algorithms.
Experience with advanced open-source quantum software frameworks such as Stim
Familiarity with best practices of professional software engineering such as coverage, integration tests, type checking, unit tests, and version control
Experience with backend development with tools such as FastAPI for web frameworks and PostgreSQL/SQLAlchemy for databases.
Experience with cloud development, especially on GCP and AWS.
Familiarity with CI/CD, automated actions, issue tracking, version control, and other features on GitHub.
Familiarity with security core best-practices such as access control, encryption at rest, key rotation, and logging
Exposure to or interest in front-end / GUI development (e.g., React, JavaScript, HTML/CSS, PyQt).

Notice to Recruitment Agencies:

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

Benefits

Salary range: 140000-182000 USD/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 Program

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About the Company

Infleqtion

Full-stack quantum hardware and software

Infleqtion develops neutral-atom quantum hardware and software for computing, sensing, and security. Its hardware uses lasers to cool and trap neutral atoms to perform quantum operations, with products like the Sqale quantum processor, Tiqker optical atomic clocks, quantum RF receivers, and inertial sensors. The software is Superstaq, a hardware-agnostic compiler that optimizes quantum algorithms for execution on different quantum devices, potentially improving performance for some workloads. The company differentiates itself through vertical integration of core hardware and software and by pursuing a broad neutral-atom platform, serving government and commercial customers with a goal of accelerating practical quantum adoption and expanding its addressable markets.

Company size: 201-500
Company stage: IPO
Headquarters: Louisville, CO
Founded: 2007

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