Senior Software Engineer (Quantum Computing)

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.

We build quantum computers. You will write the software that runs them.

This is a production-first, high-coding role — roughly 90% of your time will be spent writing and owning code, not reviewing or directing others who do. You will work directly alongside physicists and hardware engineers, converting complex scientific requirements into software that controls real quantum machines. If you are looking to step back from the keyboard, this is not that role.

Requirements

You will

• Write, own, and ship production backend services and control frameworks that directly operate and calibrate our neutral atom quantum computers — if it breaks, you fix it.
• Debug and support every layer of the control stack — from real-time embedded kernels to distributed services — without handing it off when it gets hard.
• Build reliable tooling that lets physicists and hardware engineers run experiments independently, which means understanding what they need well enough to build it without a lengthy translation process.
• Develop and maint