Latest Quantum Software Engineer Jobs

Senior AMO Physicist - Inertial Sensing

The role involves developing atomic system designs for inertial sensing applications using atom-based quantum technologies. You will perform modelling, simulations, and analytical calculations, while integrating complex opto-mechanical systems, electronics, and software into quantum devices. The position requires close collaboration with physicists and engineers, conducting laboratory work from setup to system demonstration, and contributing to technical documentation, proposals, and publications.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Frequency Comb Photonics Engineer

This role involves hands-on development, testing, and optimisation of optical frequency comb systems—including micro-combs and photonic integrated circuits—for quantum technology applications. The engineer will characterise photonic components, build optical test setups, and collaborate with cross-functional teams to integrate comb technologies into quantum systems for precision timing, sensing, and laser stabilisation. Work is based in Kidlington with some presence at Harwell and hybrid flexibility.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

R&D Scientist, Quantum Algorithms

Design and implement quantum algorithms focused on solving differential equations, with opportunities to publish and collaborate across the quantum computing stack. Work on real-world applications using high-fidelity hardware and contribute to end-to-end resource estimation under realistic constraints.

Quantinuum London, United Kingdom

Hybrid Permanent

Senior AMO Physicist

This role involves designing and running remote-entanglement experiments using ion-trapping and integrated micro-cavity technology to advance quantum networking capabilities. The physicist will develop and maintain complex experimental systems, including ultra-high-vacuum setups, lasers, and control electronics, while mentoring junior team members. Collaboration with multidisciplinary engineering and theory teams is central to delivering scalable, high-performance quantum networks.

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Intern, System Architecture

This internship involves developing photonic quantum computing architectures through simulation, software implementation, and protocol design. Interns will work on translating quantum information theory into physical system designs, using programming and modeling to advance fault-tolerant quantum systems. The role emphasizes collaboration, innovation, and technical rigor in a cutting-edge quantum computing environment.

PsiQuantum United Kingdom £31,200 – £56,160 pa

Hybrid Internship

Deployment Physicist, On-premises Installation - 572

Installs and validates quantum computing systems (Helios) on customer premises globally, with deep involvement in atomic physics and qubit operations. Supports integration, shipment, and deployment activities, including international travel for on-site installations and remote support. Contributes to future post-Helios hardware development through design and validation phases.

Quantinuum United Kingdom

Hybrid

International Tax and Transfer Pricing Manager

This role involves leading transfer pricing strategy and documentation for IonQ’s international entities, ensuring compliance with OECD BEPS guidelines and local tax regulations. The manager will support corporate income tax compliance, contribute to global tax provision under US GAAP, and collaborate with finance, legal, and treasury teams to build scalable tax processes in a fast-growing multinational environment. Key activities include preparing Master Files, benchmarking studies, and monitoring global tax developments such as Pillar Two.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent

Ion Transport Designer

The role involves designing and modelling waveforms for fast and efficient ion transport on surface ion traps, including inter-module connections using UQConnect. You'll contribute to ion trap design, develop physics models and optimisation software, and collaborate with hardware teams to implement and test ion transport methods. The position requires close analysis of experimental results against theoretical predictions.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Quantum Algorithms Scientist - Optimization

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol in the...

Phasecraft Bristol, United Kingdom

Hybrid Permanent

Director of Technology - Quantum

Lead the strategic development and delivery of quantum and photonics technology programmes across research, industry, and government stakeholders. Drive collaborative R&D initiatives, define technology roadmaps, and mentor technical teams focused on software, algorithms, and use cases—without hardware development. Shape national capability by translating emerging quantum technologies into practical applications and informing policy through evidence-based experimentation.

Digital Catapult London, United Kingdom £100,000 – £130,000 pa

Hybrid Permanent

Liability Loss Adjuster

An experienced Liability Adjuster is required to join a growing Casualty division within a Global Loss Adjusters.You will play a vital role within the business managing your own portfolio of Liability Losses including EL/PL & TPPD throughout the North/North East...

Adjusting Appointments Limited Yo241Ab, United Kingdom £40,000 – £70,000 pa

Quantum Error Correction Researcher

Design and evaluate quantum error correction protocols for distributed quantum systems using numerical simulations and collaborative development. Work closely with theorists, experimentalists, and software teams to advance scalable quantum architectures. Contribute to publications, patents, and conference presentations to disseminate research outcomes.

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Quantum & Cryptography Principal Sales Specialist, UK Public Sector

Lead commercial strategy for AWS quantum computing and cryptography services across UK public sector institutions, from central government and defence to NHS and local authorities. Drive adoption of quantum-safe technologies and cybersecurity solutions by engaging senior leaders, shaping go-to-market plans, and navigating complex procurement environments. Work at the intersection of national security, emerging tech, and public service transformation to deliver mission-critical outcomes.

Amazon London, United Kingdom

Hybrid Permanent Clearance Required

Quantum Microchip Designer (Ion Traps)

Design and develop microfabricated Paul traps for scalable quantum computers, performing electromagnetic and thermo-mechanical simulations and working closely with fabrication partners. Collaborate on trap layouts, packaging, and assembly procedures while documenting technical designs and test outcomes.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Quantum Algorithms Engineer

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol, UK. In...

Phasecraft Bristol, United Kingdom

Hybrid Permanent