Software Engineer, Non-Realtime Controllers

IonQ, Inc.; Oxford; On-site; GBP 65,000 - 85,000; Full time

Benefits offered by this job

Hybrid work

Job summary

IonQ, Inc. in Oxford, UK is seeking a mid-level Software Engineer for the Non-Realtime Controllers team.

You will collaborate with software engineers, systems teams, and quantum scientists to build and operate software that controls hardware around the quantum computer, supporting the company’s hybrid work model. The role sits within the Compute - Engineering group and focuses on developing robust software for controlling quantum hardware, enabling reliable operation of IonQ’s systems and

Job description

Software Engineer, Non-Realtime Controllers at IonQ, Oxford, England, United Kingdom. A mid-level full time position in the Compute - Engineering team, listed under software engineering.

About IonQ: IonQ, Inc . [NYSE: IONQ] is the world’s leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance . Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before. Location: Oxford, UK Office commitment: Hybrid The Role: Quantum is now, and it's built here. Oxford Ionics, now part of IonQ, is pioneering the next generation of quantum computing. Using our world-leading trapped-ion technology, we're building the most powerful, accurate and reliable quantum systems to tackle problems that today's supercomputers cannot solve. We're looking for an enthusiastic and highly technical Software Engineer for our Non-Realtime Controllers team who will thrive in our dynamic cross-disciplinary environment. In this role, you will be responsible for working closely with our software engineers, our systems team, and our quantum scientists to build and operate the software that controls the hardware surrounding our quantum computers, contributing to the team’s mission of enabling our systems team to operate the physical quantum computer