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Full Time Quantum Software Engineer Jobs (NOW HIRING)

Infleqtion

Senior Embedded Software Engineer

Louisville, CO · On-site

$129K - $169K/yr

Our mission is to commercialize atom-based quantum products that provide orders of magnitude ... Collaborate closely with Quantum Software, Physics, Electrical, and Systems Engineering to co ...

Infleqtion

Senior Embedded Software Engineer

Boulder, CO

$128K - $168K/yr

Our mission is to commercialize atom-based quantum products that provide orders of magnitude ... Collaborate closely with Quantum Software, Physics, Electrical, and Systems Engineering to codesign ...

IonQ

Director, Quantum Finance Engineering

$187K - $245K/yr

IonQ is seeking a Director, Engineering of Quantum Computing for Financial Applications and ... You will collaborate with IonQ's hardware, software, and research teams to identify problems where ...

Q-CTRL

Principal Software Engineer

Los Angeles, CA · On-site

$260K - $335K/yr

About the team At Q-CTRL, Quantum Computing Engineering is a global team of software engineers and infrastructure experts,combining deep technical expertise with a startup mindset to deliver real ...

Q-CTRL

Principal Software Engineer

Los Angeles, CA

$260K - $335K/yr

About the team At Q-CTRL, Quantum Computing Engineering is a global team of software engineers and infrastructure experts,combining deep technical expertise with a startup mindset to deliver real ...

Q-CTRL

Principal Software Engineer

Los Angeles, CA

$260K - $335K/yr

About the team At Q-CTRL, Quantum Computing Engineering is a global team of software engineers and infrastructure experts,combining deep technical expertise with a startup mindset to deliver real ...

IonQ

Senior Software Engineer - Developer Tools

Bothell, WA · On-site

$61 - $80.50/hr

IonQ's newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting ... Twice per year Job ID: 1452 The Role As a Senior Software Engineer for Developer Tools, you will be ...

IonQ

Senior Rust Software Engineer

Pleasanton, CA · On-site

$136K - $179K/yr

IonQ's newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting ... Our team of engineers, scientists, software developers, and operations professionals works together ...

Vector Atomic

Senior Rust Software Engineer

Pleasanton, CA · On-site

$136K - $179K/yr

IONQ] is the world's leading quantum company delivering solutions to solve the world's most complex ... Our team of engineers, scientists, software developers, and operations professionals works together ...

Vector Atomic

Senior Rust Software Engineer

Pleasanton, CA · On-site

$136K - $179K/yr

IONQ] is the world's leading quantum company delivering solutions to solve the world's most complex ... Our team of engineers, scientists, software developers, and operations professionals works together ...

Vector Atomic

Senior Rust Software Engineer

Pleasanton, CA · On-site

$136K - $179K/yr

IONQ] is the world's leading quantum company delivering solutions to solve the world's most complex ... Our team of engineers, scientists, software developers, and operations professionals works together ...

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Full Time Quantum Software Engineer information

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How much do full time quantum software engineer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for full time quantum software engineer in the United States is $147,524.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,000.00 and $173,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Full Time Quantum Software Engineer, and why are they important?

To thrive as a Full Time Quantum Software Engineer, you need a strong background in quantum mechanics, computer science, and mathematics, often supported by a related degree or equivalent experience. Familiarity with quantum programming languages (such as Qiskit or Cirq), classical programming (Python, C++), and experience using quantum computing platforms are essential. Excellent problem-solving, collaboration, and adaptability help you navigate complex, evolving challenges in the field. These skills and qualities enable you to design efficient quantum algorithms and contribute to the advancement of quantum technologies.

What are some common challenges faced by Full Time Quantum Software Engineers, and how are they typically addressed within a team setting?

Full Time Quantum Software Engineers often encounter challenges related to the nascent and rapidly evolving nature of quantum computing, such as limited available libraries, hardware constraints, and debugging in quantum environments. Collaboration with physicists, researchers, and classical software engineers is essential to overcome these hurdles. Teams usually address these challenges by fostering a culture of knowledge sharing, conducting regular code reviews, and leveraging open-source quantum frameworks. Additionally, ongoing professional development and staying updated with the latest research help engineers adapt to new tools and methods in this cutting-edge field.

What is a Full Time Quantum Software Engineer?

A Full Time Quantum Software Engineer is a professional who develops, tests, and optimizes software for quantum computers. They work with quantum programming languages, such as Qiskit or Cirq, to create algorithms that leverage quantum mechanics for solving complex problems. These engineers often collaborate with researchers and hardware teams to improve quantum system performance, and may also work on integrating quantum solutions with classical computing systems. The role requires strong programming skills, a foundation in quantum mechanics, and experience with quantum computing platforms.
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What cities are hiring for Full Time Quantum Software Engineer jobs? Cities with the most Full Time Quantum Software Engineer job openings:
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Full Time Quantum Software Engineer jobs near you

Senior Embedded Software Engineer

Infleqtion

Louisville, CO • On-site

$129K - $169K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 12 days ago

Job description

At Infleqtion we solve the world's most challenging problems using cutting-edge quantum technology. Our mission is to commercialize atom-based quantum products that provide orders of magnitude improvements in sensing and computing applications. We are proud to work tirelessly to create and lead the quantum ecosystem towards meaningful advancements today and set the technology roadmap for tomorrow.
POSITION SUMMARY
Within Infleqtion's Computing Product Group (CPG), the Hardware Engineering Team is seeking a Senior Embedded Software Engineer to own and deliver high-performance embedded and systems software enabling real-time quantum error correction and classical control at scale. This role focuses on integrating NVIDIA high-speed interconnects with quantum error-correction decoding pipelines, in close collaboration with quantum software, physics, and hardware teams.
This position is scoped as a senior-level individual contributor role: the engineer independently owns complex subsystems end-to-end within an established architecture, solves technically hard problems, interacts directly with external partners, and mentors developing engineers, without defining long-term platform architecture. The engineer will also serve as a point-of-contact (POC) for subsystem hardware integration with NVidia's NVQLink.
JOB RESPONSIBILITIES
Typically, you will be entrusted with:
  • Independently design, implement, validate, and maintain embedded and systems-level software subsystems supporting real-time quantum error correction and control.
  • Translate quantum error-correction requirements (code distance, syndrome rates, latency budgets) into concrete classical compute, memory, and interconnect requirements.
  • Design systems that meet deterministic latency, bandwidth, and reliability requirements across CPU, GPU, FPGA, and high-speed interconnect domains.
  • Serve as the technical point-of-contact for NVIDIA NVQLink integration, including topology, bandwidth modeling, latency characterization, and failure modes. Involves direct interaction with NVIDIA personnel as well as HPC experts in academia and US national labs.
  • Collaborate closely with Quantum Software, Physics, Electrical, and Systems Engineering to co-design hardware/software interfaces.
  • Troubleshoot and resolve complex performance, scaling, and integration issues spanning firmware, drivers, OS (Embedded Linux / bare-metal environments), GPU runtimes, and hardware.
  • Develop and maintain validation infrastructure, performance benchmarks, and test harnesses for deterministic behavior and scaling.
  • Provide informal mentorship through design reviews, code reviews, and technical guidance.

Requirements
WE HOPE YOU HAVE:
  • A degree (PhD preferred) in Computer Engineering, Electrical Engineering, Computer Science, or related field with experience in high-performance computing (HPC).
  • Demonstrated experience owning complex embedded or systems-level software subsystems end-to-end.
  • Strong experience with C/C++ in performance-critical systems.
  • Experience debugging across software and hardware boundaries (drivers, firmware, interconnects, timing).
  • Solid understanding of computer architecture fundamentals (memory hierarchies, interconnects, latency vs throughput tradeoffs).
  • Experience with hardware/software co-design for quantum control systems
  • Experience working in Linux-based embedded or HPC environments.
  • Familiarity with GPU programming models (CUDA or equivalent) at a systems level.

WE HIGHLY VALUE:
  • High-performance computing (HPC) systems design or deployment.
  • Familiary with NVIDIA CUDA-Q
  • Direct experience with NVIDIA Holoscan Sensor Bridge, RDMA over Converged Ethernet, or similar high-speed coherent interconnects.
  • Experience supporting or developing error-correction decoding pipelines (quantum or classical).
  • Background similar to advanced academic research groups in quantum architectures or decoding (e.g., large-scale syndrome decoding research).
  • Experience performance-modeling compute systems as a function of problem size and algorithmic complexity.
  • Exposure to FPGA-accelerated or heterogeneous compute systems.
  • Detail-oriented mindset with a strong sense of ownership and technical accountability.
  • Positive, collaborative working style and enthusiasm for mentoring and developing engineers.

NOTE
  • Job responsibilities and requirements are illustrative, other responsibilities may be assigned as needed.
  • 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.

TRAVEL
Up to 10% travel may be required.
WORKING CONDITIONS and PHYSICAL REQUIREMENTS
Work will normally be performed in an office and laboratory environment and around technical equipment including computers and lasers. Able to sit, stand, bend, lift and carry up to 40 pounds without assistance. 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.
Benefits
The targeted salary range for this role is $140,000 to $175,000 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
  • Equity Package

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.
Contact Information
If this opportunity interests you and you fit the job description, please submit an application. If you need assistance or an accommodation due to disability, please feel free to contact us at hr@coldquanta.com.

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