Jobs in the United States

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Added 2 mins ago
Multi-Modality Technologist - Champion Emergency Center
Bon Secours Mercy Health Inc
Warren, OH
Class A CDL or Class B CDL (Commercial Driver's License)** for locations with mobile mammography program only
Added 3 mins ago
Senior Network Representative
Martin's Point Health Care
Portland, ME
Communicates with providers regarding substantial changes in benefits or program
Added 7 mins ago
DO
Senior Engineer, WR
Department of Water Resources
CA
- $11,437 to $14,315 USD / month
…An important component of DWR’s equal employment opportunity program centers around justice, equity, diversity, and…
Added 7 mins ago
CC
Psychiatric Technician (Safety) - CA State Prison, Solano (SOL)
California Correctional Health Care Services
CA
- $1,226.8 to $1,568.6 USD / month
Effective July 1, 2025, in accordance with the applicable Memorandum of Understanding, the Personal Leave Program 2025 (PLP 2025) was implemented. PLP 2025 requires each full-time employee…
Added 7 mins ago
DO
Dams and Canals Engineer
Department of Water Resources
CA
- $6,488 to $12,152 USD / month
…An important component of DWR’s equal employment opportunity program centers around justice, equity, diversity, and…
Added 10 mins ago
Manager, Petroleum Terminal
Crowley Maritime Corporation
Seattle, WA
Added 10 mins ago
Assistant Manager, Petroleum Terminal
Crowley Maritime Corporation
Seattle, WA
Learning and growth: access to training and development for continuous skill development
Added 12 mins ago
Transportation Engineer
Arizona Department of Administration
AZ
Development and implementation of appropriate field office priorities and procedures related to highway construction material sampling and testing, project inspection, and contract…
Added 13 mins ago
Fleet Mechanic
Loomis Armored US, LLC
Pittsburgh, PA
…presidents, and corporate executives started out in the branches as driver/guards and tellers. Our work can be challenging, but the thousands who have stayed with our company for decades…
Added 14 mins ago
CO
Zoning Planner I - Planning & Development
City of Phoenix
AZ
- $64,313.6 to $109,969.6 USD / year
The Planning & Development Department guides the physical development of the city by preserving our historic sites, planning what can be built where, and ensuring safe construction of…
Added 16 mins ago
Testing Services Coordinator & Records Specialist (48484)
BLUE MOUNTAIN COMMUNITY COLLEGE
Pendleton, OR
…changing demands. Schedules and publicizes services, communicates program policies/procedures to campus and community and maintains integrity of testing…
Added 18 mins ago
Case Manager
Radias Health
Minneapolis, MN
Participate actively in on-going professional growth and development, maintain appropriate professional behavior, and participate in appropriate supervision.
Added 18 mins ago
Case Manager
Radias Health
Saint Paul, MN
Participate actively in on-going professional growth and development, maintain appropriate professional behavior, and participate in appropriate supervision.
Added 19 mins ago
Lead Associate, School-Age Programs - Tennessee (P2)
Save The Children
TN
…technical assistance, and management support to a portfolio of program partners, including overseeing program implementation, monitoring, and evaluation at your assigned partner sites. You…
Added 19 mins ago
Groundperson
The Davey Tree Expert Company
Clinton, TN
Career Development Program supported by Industry Expert Safety Specialists & Skills Trainers
Added 19 mins ago
WS
Cleared Security Officers in Oak Ridge
Walden Security
Oak Ridge, TN
- $30.38 USD / hour
Candidate must have a valid driver’s license, be at least 25 years old and a clean driving record with no more than 1 violation in the last 5 years. This position requires patrol in a…
Added 19 mins ago
Copy of JOB FAIR - Chattanooga, TN 11/13/26
Walden Security
Chattanooga, TN
…awarded to companies with the most successful learning and development programs in the…
Added 19 mins ago
AG
Sales Lead
Acosta Group
MEMPHIS, TN
- $20 USD / hour
Deliver onboarding, role-plays, and ongoing on-the-job development
Added 20 mins ago
S
Caregiver
Sevita
Nashville, TN
- $15.56 USD / hour
Deliver support per individual service/program plans, including socialization, health maintenance, medication administration, skill/behavioral development.
Added 20 mins ago
Groundperson w/ Pref CDL (Class A or B)
The Davey Tree Expert Company
Nashville, TN
Career Development Program supported by Industry Expert Safety Specialists & Skills Trainers
Added 21 mins ago
Residential Pre-Journeyman Drain Cleaner
Constellation Energy Generation, LLC.
Baltimore, MD
…competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program; comprehensive medical, dental and vision benefits,…
Added 26 mins ago
CO
Associate Civil Engineer (Development Services)
City of Sacramento
Sacramento, CA
- $47.05 to $66.2 USD / hour
The Associate Civil Engineer position is in the Development Review Section within the Engineering and Water Resources Division of the Department of Utilities (DOU). The position is…
Added 27 mins ago
PF
CDL A Driver Trainee
Performance Food Group
TN
- $210 USD / day
Attends and successfully completes PFG Entry Level Driver Trainee or Dock to Driver Training Program as required. All training documentation is completed and maintained per requirements.
Added 28 mins ago
PF
Entry-Level Delivery Driver - CDL Class A
Performance Food Group
MA
- $250 USD / day
Attends and successfully completes PFG Entry Level Driver Trainee or Dock to Driver Training Program as required. All training documentation is completed and maintained per requirements.
Added 29 mins ago
Registered Nurse
Innovativ Pharma, Inc.
Lakeland, FL
…Nurse works collaboratively with team members, participates in program development. This position provides direction to the LPN/LVN and PCT…

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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