Software Engineer – Quantum Systems, Digital Engineering

Infleqtion

Software Engineer building digital-twin and design-automation platforms for Infleqtion’s quantum sensing systems. Integrating scientific models, simulations, HPC, and engineering workflows into production software.

Posted 9/3/2026full-timeChicago • Illinois • 🇺🇸 United StatesMid-LevelSenior💰 $145,000 - $170,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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

Proficient in developing and maintaining modular software platforms that integrate models and data across various technical domains, with a strong emphasis on numerical optimization, machine learning, and AI-assisted software engineering tools. Capable of collaborating with domain experts to ensure high-quality software that meets engineering and scientific needs.

Highest-signal resume keywords

Python ProgrammingNumerical MethodsSoftware DevelopmentAI-Assisted Development ToolsSystems Engineering Concepts

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Numerical OptimizationData AnalysisComputational ModelingHPC WorkflowsGPU WorkflowsAPI DevelopmentModular ArchitectureVersion ControlAutomated TestingCI/CD

Soft Skills

CollaborationCommunication

Tools & Technologies

Scientific Computing LibrariesVisualization ToolsWorkflow Orchestration

Industry Keywords

Model-Based Systems EngineeringVerification and ValidationMultidisciplinary Engineering WorkflowsEngineering DesignExport Control Laws

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Develop and maintain modular software platforms integrating models, data, and engineering workflows across RF, optical, mechanical, atomic physics, and other technical domains
Build interfaces between engineering and scientific computing tools for coordinated simulation, analysis, optimization, and design workflows
Support MBSE activities by connecting requirements, models, interfaces, parameters, verification data, and system-level performance
Develop HPC- and GPU-enabled workflows for parameter sweeps, sensitivity analysis, tolerance studies, optimization, and computationally intensive simulation
Apply numerical optimization, reduced-order modeling, surrogate modeling, machine learning, and data-driven techniques to accelerate engineering design and improve manufacturability
Develop APIs, data models, schemas, visualization tools, and workflow orchestration capabilities for information exchange across heterogeneous engineering tools
Collaborate with domain experts to validate models against experimental data and translate engineering needs into production-quality software
Establish effective use of AI-assisted software engineering tools for development, testing, documentation, debugging, code review, and engineering analysis

Requirements

What you’ll need

BS or MS in Computer Science, Physics, Applied Mathematics, Electrical Engineering, Mechanical Engineering, Systems Engineering, or a closely related field
Strong scientific or engineering software-development experience, with high proficiency in Python and familiarity with modern numerical and scientific-computing libraries
Experience developing software that integrates multiple simulation, modeling, engineering, or scientific computing tools
Strong understanding of numerical methods, optimization, simulation, data analysis, or computational modeling
Familiarity with systems engineering concepts, including requirements, interfaces, system architecture, verification and validation, trade studies, or multidisciplinary engineering workflows
Experience with professional software-engineering practices including version control, automated testing, CI/CD, documentation, modular architecture, and maintainable API design
Demonstrated ability to collaborate effectively with scientists and engineers across multiple technical disciplines
Demonstrated ability and enthusiasm for using modern AI-assisted development tools to improve software-engineering productivity and quality
This position may require authorization to receive software or technology controlled under U.S. export control laws and regulations without sponsorship for an export license

Benefits

Comp & perks

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 Package