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Software Engineer - Oxford

Oxford Ionics
Oxford
5 months ago
Applications closed

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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.

Joining Oxford Ionics means becoming part of a global IonQ team that is transforming the future of quantum technology - faster, at scale, and with real world impact.

What to expect:

We are looking for a skilled, motivated Software Engineer to join the Software team. This is the team responsible for creating and maintaining the code base and the software infrastructure needed to operate our quantum computer and test systems and to facilitate their research and development. This entails writing and maintaining code that runs on the embedded platforms that power the laboratory hardware, as well as code for regular server and workstation systems. The team works together with our science teams to enable them to do fast development and experimentation. The team also produces the production-grade software stack that will allow our future users to run quantum algorithms on our systems.

This is an exciting opportunity to work alongside scientists, engineers, and technicians. See vacuum chambers, cryostats, lasers, and more in action at our on-site laboratories and play your part in making quantum computing happen.

What you’ll be responsible for:

With support from the rest of the team, you will be expected to productively contribute to the development of our code base. This includes a wide variety of exciting work, from developing our quantum compiler to writing embedded firmware, from designing high-level APIs as part of our quantum computing stack to advancing our internal development infrastructure and process. We don’t expect you to be an expert in these fields, but you should feel excited about becoming one.

Our technology stack:

  • Python and Rust
  • Much of our software is used by our scientists when executing routines on our quantum hardware. The APIs used by the scientists are all Python-based.
  • We are developing a custom-optimising compiler for quantum circuits written in Rust and Python.
  • The firmware components of the instrumentation and control system we use, ARTIQ, are written in Rust. We will be customising and extending this firmware to improve performance and add new features.
  • FPGAs and SoCs
  • We’ll develop custom hardware and gateware to extend our hard real-time (<1 ns) distributed control system.
  • Qubits
  • The quantum core of our hardware is built from trapped-ion qubits, controlled by chips designed and assembled in-house by our microfabrication team.
  • You will have some flexibility over your tools, like which editor you want to use or which operating system. We use Git for our version control.

Requirements

You will need strong coding skills. You must be able to express your ideas in idiomatic code and have expert knowledge of one or more mainstream programming languages. We use Python and Rust, and if you have not worked with them, you should be excited about learning them. You should have an intuitive understanding of how to structure code well and a good knowledge of code performance characteristics, such as the computational complexity of the algorithms you are using. You should enjoy quickly picking up new technologies to tackle complex challenges within an evolving industry. 

Strong communication skills are important, especially in a cross-functional team, as we value the ability to translate complex technical needs into useful software. You do not need any prior experience in quantum computing.

Benefits

Be part of a team that’s shaping the future of quantum. We offer more than just a role, you’ll join a world class community of scientists, engineers and innovators working to unlock the full potential of quantum computing.

We offer a range of benefits, including opportunities to further your career alongside industry leaders, a competitive salary with IonQ stock options, an annual performance bonus, generous annual leave, flexible hybrid working, private medical and dental insurance for you and your family, and much more.

Join us and be part of the future of quantum computing.

We’re proud to be an equal opportunity employer and welcome applicants from all backgrounds.

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Quantum Computing Hiring Trends 2026: What to Watch Out For (For Job Seekers & Recruiters)

As we move into 2026, the quantum computing jobs market in the UK is shifting from hype to harder-edged reality. The wildest forecasts have softened, some early-stage start-ups have pivoted or been acquired, and investors are more selective. At the same time, governments, big tech, defence, finance and pharma still see quantum as strategically important – especially in algorithms, quantum-safe cryptography, optimisation and materials simulation. The result: fewer “blue-sky” roles with no clear roadmap, and more demand for quantum talent that can plug into real programmes, real products and real timelines. Whether you’re a quantum job seeker planning your next move, or a recruiter building teams across hardware, software, theory or adjacent fields, understanding the key quantum computing hiring trends for 2026 will help you stay ahead.

Quantum Computing Recruitment Trends 2025 (UK): What Job Seekers Need To Know About Today’s Hiring Process

Summary: UK quantum computing hiring has shifted from credential‑first screening to capability‑driven evaluation. Employers now value provable contributions across the stack—algorithms & applications, compilation & optimisation, circuit synthesis, control & calibration, hardware characterisation, error mitigation/correction (QEM/QEC), verification/benchmarking, and hybrid HPC/quantum workflows—plus the ability to communicate trade‑offs, costs and feasibility to non‑quantum teams. This guide explains what’s changed, what to expect in interviews and how to prepare—especially for quantum algorithm engineers, quantum software/compilers, experimentalists, quantum control & firmware, cryo/readout engineers, quantum error correction researchers, verification/benchmarking specialists, and quantum‑adjacent product managers. Who this is for: Quantum algorithm/applications engineers, compiler/optimisation engineers, control/firmware engineers, experimental physicists & hardware engineers (superconducting, trapped ion, photonic, spin/neutral atom), cryogenics & RF/microwave, QEC researchers, verification/benchmarking specialists, quantum‑HPC orchestration engineers, and product/BD roles in the UK quantum ecosystem.

Why Quantum Computing Careers in the UK Are Becoming More Multidisciplinary

Quantum computing has long been considered an elite subfield of physics and computer science. But as quantum technologies advance—from fault-tolerant hardware to quantum algorithms and quantum cryptography—they’re moving closer to real applications in finance, materials simulation, optimisation, cryptography and more. As this transition happens, UK quantum computing careers are becoming increasingly multidisciplinary. Quantum systems are no longer just the domain of physicists and quantum software engineers. If quantum technologies are to be trusted, adopted and regulated, professionals must also incorporate expertise in law, ethics, psychology, linguistics & design. In practice, quantum computing projects now intersect with data governance, risk, human interaction, explainability and communication. In this article, we’ll explore why quantum computing careers in the UK are shifting to multidisciplinary roles, how these five supporting fields intersect with quantum work, and what job-seekers & employers should do to keep up in this evolving frontier.