Director of Software Engineering

Company: Infleqtion
Location: Boulder
Posted on: February 15, 2026

Job Description:

Job Description Job Description 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. At Infleqtion we embrace a startup mentality driven by results, urgency, and customer-focused innovation: We break down barriers between disciplines, stepping in wherever we can make the biggest impact. We thrive in uncertainty, embracing challenges as opportunities. We move quickly to prototype while never losing sight of the critical importance of systems engineering process and attention to detail. We take bold, calculated risks to drive progress. We are seeking a Director of Software Engineering to lead the team building the control system software for Infleqtion’s quantum computers. The ideal candidate brings strong expertise in designing and delivering robust and scalable software services, along with proven experience leading software teams in developing those services. Your vision will chart the course for innovation, setting the technical direction and architectural foundation of our software systems. Job Responsibilities The duties and responsibilities outlined below include essential functions of the role. Depending on business needs, this role may perform a combination of some or all of the following duties. Duties, responsibilities, and activities may change, or new ones may be assigned at any time. Manage, develop, build, and lead a team of software developers & DevOps engineers. Mentor and guide direct reports, fostering their growth and enhancing the team's technical expertise Develop, communicate, and enforce software development standards and processes Maintain a comprehensive understanding of the Infleqtion quantum computing software systems, their operational principles, their requirements, the broad technical stack, etc.; architect and design control system software; hands-on application of deep subject matter expertise in building software systems In collaboration with programmatic leadership and adjacent engineering disciplines, develop and execute a technical roadmap for software deliverables across the control stack to support given high-level quantum computing performance targets and system deliverables Communicate software feature roadmaps and resource needs between the control software team, adjacent stakeholders, and executive management Requirements Bachelor's degree in Computer Science, Applied Mathematics, Physics or related field and a minimum of 8 years prior work experience Demonstrated success in a technical leadership role in a deep-tech startup environment Deep expertise in Python and at least one compiled language, with enthusiasm for learning and developing in Rust Command of systems engineering principles and their application to requirements-driven software engineering Extensive experience with Linux and modern containerization and virtualization technologies Comfortable working with hardware and embedded engineers to architect, design, and build high performance, real time control systems Excellent verbal and written communication skills, able to effectively share information with technical and non-technical staff and external parties Eagerness to expand knowledge beyond core area of expertise Experience with industry standard Dev Ops workflows Experience with modern development methodologies such as agile and scrum Preferred Experience PhD in relevant technical area (computer science, physics, etc) Domain expertise in quantum information science; demonstrated success in a technical leadership role in the quantum field Experience managing software engineering teams Experience leading aspects of product development with highly complex dependencies in system and project plan Experience with Numpy, Scipy, and GPU acceleration libraries Experience optimizing Python packages using C or Rust extensions Familiarity with quantum error correction and its implied requirements for control software and hardware elements Experience with databases (relational and non-relational) including but not limited to timeseries data, SQL, and ETL processes Location: Boulder, CO; Chicago, IL; or Madison, WI This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license. Benefits The targeted salary range for this role is $175,000 to $220,000 on an annualized basis plus eligibility to participate in our annual incentive plan. In addition to your base compensation, we offer a generous Total Rewards program which includes: 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 Relocation assistance 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 Equal Opportunity Here you have freedom to embrace your whole self: who you love, your gender identity and expression, skin color, age, appearance, disability, neurodiversity, DNA, military/veteran status, citizenship, and other factors that make up who you are. Your uniqueness is valued, welcomed, and appreciated here. We are dedicated to providing a positive workplace and base all employment decisions on your qualifications, performance, merits, as well as business needs. We are proud to be an Equal Employment Opportunity Employer.

Keywords: Infleqtion, Fort Collins , Director of Software Engineering, IT / Software / Systems , Boulder, Colorado