Latest Quantum Software Engineer Jobs

Advanced R&D Scientist - Quantum Algorithms - 920

Develop novel quantum algorithms focused on computational topology and geometry, with an emphasis on extracting topological and geometric invariants from data. Implement and optimize these algorithms on Quantinuum’s quantum hardware, using error mitigation and quantum error correction techniques. Collaborate across the quantum stack and with external partners to advance real-world applications of quantum topological data analysis, while publishing results in top journals and conferences.

Quantinuum United Kingdom

Hybrid Permanent

Sr. Director, Offering Management – Quantum Developer Platform - 836

This role involves leading the strategy and execution of a cloud-based quantum developer platform, simplifying quantum workflows, and aligning platform capabilities with quantum hardware roadmaps. The Sr. Director will define platform features, establish KPIs, and champion best practices for developer experience, while partnering with engineering and ecosystem teams to drive adoption and growth.

Quantinuum United Kingdom

On-site Permanent

RF - System Designer

Design and lead the architecture of RF systems for quantum computing hardware, including transmission lines to quantum chips. Define specifications for end-to-end RF delivery components and oversee simulation, integration, and testing processes. Collaborate across disciplines including electronics, ASIC design, mechanics, and physics to implement cutting-edge RF solutions in a fast-paced R&D environment.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent Clearance Required

Embedded DevOps Engineer

This role focuses on building and maintaining robust CI/CD pipelines, hardware-in-the-loop testing, and infrastructure-as-code systems to support quantum computing and sensor development. The engineer will manage software deployment, system security, and lab infrastructure, ensuring high uptime and traceable, reliable releases across integrated software, firmware, and gateware. Close collaboration with both hardware and software teams is essential in a research-driven lab environment.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior AMO Physicist - Quantum RF

This role involves experimental research and development in atomic, molecular, and optical (AMO) physics for quantum RF sensor systems. The physicist will design and integrate complex opto-mechanical systems, lead high-value research projects, and collaborate with multidisciplinary teams to advance quantum technologies. A strong focus is on translating product requirements into atomic system designs and demonstrating working quantum devices.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Engineer

Develops and characterizes superconducting quantum processors through experimental physics and quantum control techniques. Focuses on improving qubit performance, gate fidelity, and implementing quantum error correction. Works across device design, fabrication, and control systems in a cross-functional R&D environment.

Rigetti United States US$155,000 – US$200,000 pa

On-site Permanent

Systems Integration Engineer (Field, Quantum Systems)

This role involves deploying and commissioning quantum computing systems at customer sites globally, ensuring hardware and software performance meet specifications. The engineer will lead technical bring-up, troubleshooting, and calibration of superconducting qubit systems, either focusing on cryogenic hardware integration or gate-level calibration and cloud deployment. Collaboration with R&D teams and customer personnel is central, with significant international travel required.

Rigetti United Kingdom

Hybrid Permanent

Mechanical Design Engineer – Photonic Hardware

This role involves designing precision mechanical and thermal systems for photonic quantum computing hardware, focusing on robustness, manufacturability, and performance in controlled environments. The engineer will work closely with cross-functional teams to translate system requirements into hardware solutions, conduct simulation and validation, and support prototyping and supplier collaboration. The position is based at Daresbury and supports the development of scalable, fault-tolerant quantum systems.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £50,000 – £56,000 pa

On-site Permanent

Senior Optical Fibre Engineer

This role involves developing and evaluating advanced optical fibre technologies for high-performance photonic systems used in quantum computing. The engineer will perform optical modelling, design experiments to validate fibre properties, and collaborate with internal teams and external partners to integrate fibres into larger optical platforms. Work focuses on specialty fibres with attention to modal behaviour, loss, dispersion, and coupling in demanding environments.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £64,000 – £76,500 pa

On-site Permanent

Quantum Error Correction Scientist

Design and simulate quantum error correction protocols tailored to hardware capabilities, characterise qubit noise profiles, and perform resource estimation for large-scale quantum computing applications. Contribute to hardware and software optimisation decisions to improve error correction performance. Work within a forward-thinking team focused on building scalable, impactful quantum computers.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Staff FPGA Engineer

Design and develop FPGA-based signal processing and control systems for quantum computing hardware. Develop RTL modules, simulate and verify control algorithms, and implement firmware for high-speed waveform generation and digital control loops. Work closely with hardware and software teams to deliver real-time quantum control systems using Xilinx Ultrascale+ devices and industry-standard tools.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Quantum Computational Science Specialist

This role involves leading research in quantum computational science, developing quantum algorithms and hybrid classical-quantum workflows for fault-tolerant quantum computers. The specialist will work on advanced applications such as quantum linear equation solvers, state reconstruction, and tensor network methods, leveraging high-performance computing to simulate and validate systems prior to hardware deployment. Collaboration with academic, industrial, and government partners is central to shaping Rolls-Royce’s future engineering simulation capabilities.

Rolls Royce Derby, Derbyshire, DE1 3AE, United Kingdom

Hybrid Permanent

Quantum Scientist - UK-070

A Quantum Scientist will conduct advanced research to develop and optimize trapped-ion quantum computing systems. The role involves designing and running experiments, calibrating quantum hardware, benchmarking performance, and improving control schemes. Scientists analyze complex data, debug system interactions, and collaborate closely with engineering teams to advance system reliability and scalability.

Oxford Ionics Oxford, United Kingdom

SC Cleated Field Solutions Engineer

Act as a technical bridge between clients and internal teams by delivering product demonstrations, building proof-of-concepts, and translating security requirements into technical solutions. Support pre-sales and post-sales activities with hands-on expertise in secure infrastructure, networking, and cryptography, while engaging stakeholders from engineers to executives.

Experis London, United Kingdom £550 – £650 pd

Hybrid Contract Clearance Required

Neutral Atom Systems Architect

This role involves defining and leading the system architecture for neutral-atom quantum processors, focusing on high-performance hardware design and integration with quantum networking systems. The candidate will model realistic quantum networking protocols, collaborate across quantum error correction, atomic physics, and systems engineering teams, and establish technical specifications for distributed quantum computing testbeds. It is a highly technical leadership position requiring deep expertise in neutral-atom qubit control, optical systems, and fault-tolerant architectures.

Nu Quantum Cambridge, United Kingdom

On-site Permanent