Infleqtion

Quantum Software Engineer - Compiler & Control Systems

$145K–$170K

Chicago, Illinois · Full-time · Posted Aug 24, 2026

Experience: No specific years stated; open to entry-level and senior-level candidates.
Education: Bachelor’s degree in computer science, engineering, physics, or a directly related field.
Visa sponsorship: An offer may be conditioned on authorization to receive software or technology controlled under U.S. export control laws and regulations without sponsorship for an export license.

About the job

Designs and maintains quantum compilation software that connects quantum circuits and error-correction systems to hardware control systems.

Research quantum compilation, execution, and fault-tolerant quantum computing; design and implement circuit-to-control software interfaces and representations.
Build tools to validate, simulate, test, and debug circuit-to-control translations, and deploy optimizations to Superstaq.
Collaborate across software, hardware, control, and experimental teams on interfaces, research, and product development.

Bachelor’s degree in computer science, engineering, physics, or a directly related field.
High programming proficiency; Python fluency is preferred, or proficiency in C++, Rust or another systems-oriented language with ability to rapidly upskill in Python.
Experience designing, building, or maintaining complex software systems.
Experience with software testing and debugging, including unit and integration tests, type checking, version control, and CI/CD practices.

Experience with compiler infrastructure, real-time or embedded control software, or timing-sensitive execution systems.
Familiarity with quantum error correction, quantum software frameworks such as Cirq, Qiskit, or Stim, or cloud development on GCP or AWS.

$145,000 to $170,000 per year (base salary)

Python, C++, Rust, Superstaq, Cirq, Qiskit, Stim, GCP

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