Infleqtion
Senior Software Engineer (Quantum Computing)
$160K–$185K
Boulder, Colorado +2 · Senior · Full-time · Posted Sep 10, 2026
- Location
- Boulder, Colorado
Chicago, Illinois
Madison, Wisconsin - Experience
- 6+ years of backend software engineering.
- Education
- A degree in Computer Science, Physics, Applied Mathematics, or a field where writing code to solve hard quantitative problems was the norm, not the exception.
- Visa sponsorship
- An offer may be conditioned on authorization to receive technology controlled under U.S. export control laws without sponsorship for an export license.
About the job
Write and maintain production software that controls, calibrates, and supports Infleqtion’s neutral-atom quantum computers.
What you'll do
- Build and own backend services, control frameworks, and tooling used to operate quantum computers and run experiments.
- Debug the control stack, from real-time embedded kernels to distributed services, and maintain CI/CD pipelines and containerized deployments.
- Work with experimental data, including time-series, databases, and real-time image analysis and object detection.
What they ask for
- 6+ years of backend software engineering experience.
- Production-tested Python and hands-on C++ or Rust experience.
- A degree in Computer Science, Physics, Applied Mathematics, or a field involving coding to solve quantitative problems.
- Experience with scientific or experimental data pipelines, such as NumPy, SciPy, PyTorch, time-series storage, and ETL.
Nice to have
- Experience with both C++ and Rust; candidates with Python, C++, and Rust are prioritized.
- Familiarity with statistics, machine learning, or AMO physics; real-time image analysis and object detection experience is especially valued.
Pay
$160,000 to $185,000 USD annual base salary; eligible to participate in annual incentive plan (amount not stated).
Tools
Python, C++, Rust, Docker, Kubernetes, Linux, NumPy, SciPy
AI focus
The role may involve machine learning, and includes real-time image analysis and object detection from live quantum systems.
Model-written summary · the original posting is authoritative