Jobs in the United States

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Added 3 mins ago
US
IT SPECIALIST (PLCYPLN)
United States Fleet Forces Command
Fort Meade Naval Facilities, MD
- $131,841 to $180,186 USD / year
…decisions during real-time cyberspace operations. | You will foster integration of cyberspace operations initiatives and supports efforts to ensure team members maintain awareness of…
Added 17 mins ago
J
Senior Customer Success Manager
Jobgether
Remote, United States
- $84,000 to $115,500 USD / year
Renewal Support: Partner with Account Managers 90–120 days ahead of contract renewals, providing insights into account health, customer sentiment, product adoption, and demonstrated…
Added 32 mins ago
Summernaut Program - AI & Management Consulting (Value Engineering) Summer Intern
Celonis
NC
Nice to have: previous internship, project work, or academic experience in data analytics, business intelligence, or a similar field
Added 1 hour ago
Mechanical Engineer - Test Stands & Processes
BWXT
Oak Ridge, TN
Lead fabrication, assembly, and integration of mechanical systems.
Added 1 hour ago
Senior Manager - Commodity Markets, Trading & ETRM Transformation
Accenture
Saint Louis, MO
+ Guide functional solution design, integration, testing, release management, deployment readiness, and change adoption in partnership with business and technology teams.
Added 1 hour ago
I
Senior Software Engineer (QRF)
Infleqtion
Louisville, CO
- $160,000 to $185,000 USD / year
Collaborate with project managers and technical leads to plan and execute development milestones.
Added 1 hour ago
I
Staff Quantum Physicist, Hardware Systems Lead
Infleqtion
Chicago, IL
- $190,000 to $230,000 USD / year
Work closely with project managers to translate program goals into clear priorities, achievable milestones, staffing needs, and coordinated work plans; identify and track risks and resolve…
Added 2 hours ago
IG
Intermediate Experiential Designer
Impec Group
Pleasant Hill, CA
- $45,760 to $52,000 USD / year
Collaborate with the design team, project managers, and clients to ensure that the designs are consistent with the project vision and brand guidelines. Participate in design reviews and…
Added 2 hours ago
Project Manager - Facility Services
Impec Group
Santa Clara, CA
The Project Manager – Facility Services is responsible for coordinating facility and construction-related projects from planning through completion. This role partners with Program…
Added 2 hours ago
ETL Lead Developer
CGI
Pittsburgh, PA
…as a technical expert of a large scale digital development project consisting of both on shore and off shore developers. The Lead ETL Developer will work together with Product Owners,…
Added 2 hours ago
Technical Program Manager III, Software Tools
Google
Austin, TX · Addison, TX · New York, NY · Reston, VA · Seattle, WA · San Francisco, CA · Sunnyvale, CA
Experience partnering with product managers to refine product backlogs, scope ambiguous regulatory or business requirements into actionable engineering specs, and manage sprint capacity…
Added 3 hours ago
Chief Acquisition Specialist
IESE Solutions
El Segundo, CA
Provide advice to Program/Project Managers regarding acquisition strategies, schedules, contracting, budgeting and execution.
Added 3 hours ago
Acquisition Support Specialists
IESE Solutions
El Segundo, CA
Provide advice to Program/Project Managers regarding acquisition strategies, schedules, contracting, budgeting and execution.
Added 3 hours ago
Audio Visual Technician II
Aspen Custom Electronics, Inc.
Remote, United States
Work closely with Project Managers to ensure timelines and quality standards are met.
Added 3 hours ago
Program/Project Planner IV
General Atomics
Huntsville, AL
Maintains and validates rigorous cost-schedule integration and implementation of Earned Value Guidelines.
Added 3 hours ago
Facilities Electrical Engineer
SAIC
Crane, IN
…will collaborate with NSWC Crane technical codes, facility managers, and engineering customers to define requirements, develop designs, and support sustainment activities for electrical and…
Added 3 hours ago
Senior Account Director
Salt Productions, LLC
Remote, United States
…better for it. Big ideas are our specialty, start-to-finish integration is our superpower, and we actualize experiences that thrill, engage, and…
Added 4 hours ago
Manager, Student Housing
ULSA University of Louisville
United States
Partners with IT and other internal units to maximize the integration and communication effectiveness of department programs such as StarRez and Monday.com, and digital signage
Added 4 hours ago
HR
Senior AI Software Engineer / Automation Architect
Hunter Recruitment Advisors
Arlington Heights, IL
- $120,000 to $150,000 USD / year
You'll work directly with leadership and department managers to understand how work gets done today, uncover opportunities for improvement, and design scalable systems that improve…
Added 4 hours ago
Workstream Project Manager, Revenue Cycle
Fresenius Medical Care
Waltham, MA
…Revenue cycle leadership on ensuring billing ops, financial integration, and uninterrupted charge capture, claims processing and cash…
Added 4 hours ago
Workstream Project Manager, Clinical
Fresenius Medical Care
Waltham, MA
Own and manage the end-to-end clinical workstream plan, milestones, resource allocation, and integration into the EHR program master schedule.
Added 4 hours ago
Corporate Tax Manager - Methods, Credits & Incentives R&D
Grant Thornton
Boston, MA
Manage various project tasks at the same time. Project managers will be ultimately responsible for the overall project and deliverable
Added 4 hours ago
Senior Principal Systems Engineer / SME (Cyber & Analytics)
RTX
United States
Collaborate with project managers and other professionals within Engineering
Added 4 hours ago
P
Manager of Environmental Programs & Services
PEPCO
Washington, DC · Washington
- $122,400 USD / year
…specialists, environmental field services manager and remediation project managers and all environmental programs. Position involves influencing across business units, regulatory agencies,…
Added 4 hours ago
KC
Technical Engagement Manager (Overlay)
KLA Corporation
Austin, TX
- $127,900 to $217,400 USD / year
…Build strong relationships with the customer's lithography, integration and metrology leaders, and develop a deep understanding of their process flow, roadmap and overlay…

Infleqtion

Senior Software Engineer (QRF)

Louisville, CO, United States

$160,000 to $185,000 USD / year

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Job details

Pay: $160,000 to $185,000 USD / year
Experience: 4+ years of professional software engineering experience.
Posting language: English
Posted: Sep 4, 2026

Original job description

Infleqtion is on a mission to commercialize atom-based quantum technologies that deliver orders-of-magnitude improvements in sensing and computing applications. As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking a Senior Software Engineer to lead the development and productization of our software systems that interface with cutting-edge quantum and embedded hardware. This role focuses on full-stack software engineering, team leadership, and the establishment of strong software engineering practices. While a physics background is not required, familiarity with physical systems or scientific instrumentation will be helpful. The ideal candidate is a software engineer first, with strong embedded systems awareness and proven leadership in modern software development environments. Role and responsibilities

Leadership & Coordination of global software development efforts for quantum sensing products
Serve as technical lead for the software engineering team, guiding day-to-day operations and development priorities.
Collaborate with project managers and technical leads to plan and execute development milestones.
Lead daily stand-up meetings, manage the Jira board, and ensure timely completion of sprint goals.
Oversee and enforce software engineering best practices, including code reviews, testing standards, documentation, and CI/CD processes.
Act as the liaison between the software engineering team and the broader multidisciplinary project team.
Software Development
Lead development of the frontend application built with React/Next.js, ensuring high performance, maintainability, and scalability.
Own the backend REST API written in Python (FastAPI), ensuring robust integration with hardware control and middleware layers.
Contribute to integration with Rust-based middleware and/or driver software used for device control.
Collaborate with embedded systems engineers to ensure seamless interaction between software and hardware components.
Participate in architecture discussions and contribute to technical design documentation.
Support the transition of projects from prototype to production-ready systems.

Required Qualifications

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or equivalent experience.
4+ years of professional software engineering experience.
Expert-level proficiency in Python and JavaScript/TypeScript.
Strong experience with React and Next.js frontend frameworks.
Experience with FastAPI or similar modern Python web frameworks.
Familiarity with embedded software concepts (device drivers, low-level APIs, hardware communication protocols).
Demonstrated experience leading software development teams or acting as a technical lead.
Deep understanding of modern development workflows (Git, Jira, CI/CD pipelines, automated testing).

Desired Qualifications

Experience with Rust (especially in middleware or systems contexts).
Exposure to or interest in scientific instrumentation, hardware control, or physics-related systems.
Familiarity with Docker, Kubernetes, or other containerized deployment systems.
Experience in startups or R&D-focused environments.

This position may require access to information protected under U.S. export control laws and regulations for quantum sensing technology. 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. Working Conditions and Physical Requirements Work will normally be performed in an office and laboratory environment and around technical equipment including computers and lasers. We ask that candidates be able to efficiently use automated office equipment such as laptops, copiers, and printers; able to effectively engage in communications (via phone, computer, or in-person). Any required Personal Protective Equipment will be provided and must be properly used in accordance with company requirements. Travel Up to 10% travel may be required.

Notice to Recruitment Agencies:

Infleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.

The targeted salary range for this role is $160,000 to $185,000 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
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.

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