Senior Software Engineer, Quantum Computing

Infleqtion

Senior Software Engineer building production control software for Infleqtion’s atom-based quantum computers. Developing backend services, CI/CD, and experimental data tools with physicists and hardware engineers.

Posted 9/11/2026full-timeBoulder • Colorado, Illinois, Wisconsin • 🇺🇸 United StatesSenior💰 $160,000 - $185,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in backend software engineering with a strong focus on Python, C++, and Rust for developing production systems. Proficient in building and maintaining CI/CD pipelines, containerized deployments, and scientific data processing.

Highest-signal resume keywords

Backend Software EngineeringProduction-Tested Python ExperienceC++ or Rust ExperienceCI/CD Pipeline DevelopmentScientific Data Pipeline Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonC++RustCI/CDDockerKubernetesNumPySciPyPyTorchETL

Soft Skills

Collaboration with PhysicistsProblem-SolvingCommunication

Tools & Technologies

LinuxContainerizationReal-Time Embedded KernelsDistributed ServicesTime-Series Databases

Industry Keywords

Quantum ComputingExperimental DataMachine LearningAMO PhysicsObject Detection

Tech Stack

Tools & technologies

C++DockerETLKubernetesLinuxNumpyPythonPyTorchRustSQL

About the role

Key responsibilities & impact

Write, own, and ship production backend services and control frameworks operating and calibrating neutral atom quantum computers
Debug and support every layer of the control stack, from real-time embedded kernels to distributed services
Build tooling enabling physicists and hardware engineers to run experiments independently
Develop and maintain CI/CD pipelines
Maintain containerized deployments using Docker and Kubernetes
Develop and maintain Python packages with C++ or Rust extensions in a Linux-native environment
Work with experimental data, including time-series data, SQL and non-relational databases, realtime image analysis, and object detection from live quantum systems
Work directly with physicists and hardware engineers to translate scientific requirements into software controlling real quantum machines
Spend approximately 90% of the role writing and owning code

Requirements

What you’ll need

6+ years of backend software engineering experience
Degree in Computer Science, Physics, Applied Mathematics, or a field where writing code to solve hard quantitative problems was the norm
Production-tested Python experience
Hands-on C++ or Rust experience; experience with both is a strong advantage
Comprehensive testing, clean revision control, operational reliability, maintainable systems, thorough documentation, and code-health practices
Experience with scientific or experimental data pipelines
Experience with NumPy, SciPy, PyTorch, time-series storage, and ETL
Science or mathematics background, or verifiable experience embedded with scientists translating research requirements into production software
Ability to discuss physics knowledgeably
Familiarity with statistics, machine learning, or AMO physics is a differentiator
Experience with realtime image analysis and object detection is advantageous
Authorization to receive software or technology controlled under U.S. export control laws and regulations without sponsorship for an export license may be required

Benefits

Comp & perks

100% company paid Employee coverage for Medical, Dental, Vision, and Short/Long Term Disability insurance programs
Employer funded Health Savings Account
Unlimited Paid Time Off
401(k) Matching Programs
Company paid Life and AD&D Insurance
Flexible Healthcare Savings Account
Paid FMLA Leave
Paid Maternity/Paternity Leave
Employer Assistance Program
Student Loan Repayment
Eligibility to participate in the annual incentive plan