Latest quantum software developer Jobs

Systems Engineer

This role involves leading systems engineering efforts in the development of quantum-based products, focusing on system-level design, requirements traceability, and integration of complex hardware and software systems. The engineer will work closely with physicists, hardware and software teams to ensure robust product lifecycle execution, from prototyping to scalable manufacturing. Key activities include modelling, risk assessment, and supporting verification and validation processes across multidisciplinary projects.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent Clearance Required

Embedded Systems Engineer - FPGA Platform

Develop embedded Linux software, firmware, and board-support packages for FPGA-based systems used in quantum RF and sensing applications. Integrate FPGA SoCs, microcontrollers, and peripherals into robust control and signal-processing platforms. Perform board bring-up, debugging, and validation in collaboration with multidisciplinary engineering teams.

Infleqtion Kidlington, Oxfordshire, United Kingdom

Hybrid

Internship at Quantinuum’s UK QEC team

Work on cutting-edge quantum error correction research, contributing to architectural design and implementation of QEC systems. Engage in hands-on projects involving algebraic geometry, tensor networks, or fault-tolerant quantum computing, with potential to publish or develop software libraries. Collaborate closely with researchers and engineers in a high-impact technical environment.

Quantinuum United Kingdom £2,500 pm

Senior Optical Packaging & Assembly Engineer

Develops and implements high-performance, scalable opto-electronic packaging workflows for photonic integrated circuits, focusing on fibre-to-chip alignment and packaging prototyping. Works closely with internal teams and external vendors to transfer and scale packaging processes within a quantum computing R&D environment.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

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

Electronics Engineer - Design and Verification

This role involves designing, building, and testing electronic circuits for quantum computing systems, with a focus on verification and integration of subsystems. The engineer will work across disciplines with mechanical, software, and physics teams to develop state-of-the-art electronics solutions and contribute to test systems for quantum computers. Responsibilities include documentation, project planning, and rapid prototyping of proof-of-concept designs.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

Lab Technician

As a Lab Technician, you will work closely with a multidisciplinary team to support the assembly, integration, testing, and maintenance of quantum computing machines. Your responsibilities will include performing functional tests, calibrations, and maintaining a clean and organized laboratory environment.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

Quantum Algorithms Scientist

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 London, United Kingdom

Hybrid Permanent

Research Assistant/Associate in Quantum Photonics (Fixed Term)

Conduct research in quantum photonics, focusing on the design, nanofabrication, and optical characterisation of photonic devices using quantum optics and time-resolved photoluminescence spectroscopy at cryogenic temperatures. Work within the Integrated Quantum Photonics group to advance integrated quantum photonic technologies. Contribute to scientific publications and presentations as part of a multidisciplinary research team.

University of Cambridge Cambridge, South East England, United Kingdom £33 – £46 pa

On-site Contract

PDRA in Theoretical Quantum Science

This role involves conducting theoretical research at the intersection of quantum chaos, quantum control, and quantum technologies, with a focus on fundamental questions in quantum information, many-body dynamics, and operator growth. The researcher will develop analytical and numerical methods to study complex quantum systems, particularly in the context of neutral-atom quantum processors, and contribute to grant writing, publications, and student supervision within a collaborative, interdisciplinary environment.

University of Strathclyde Glasgow, G2 1AL, United Kingdom £37 – £46 pa

Contract

Visiting Fellow

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 Contract

Senior Mechanical Engineer - Cryogenic

Design and own the mechanical architecture of quantum computing systems, focusing on cryogenic hardware from room temperature down to millikelvin stages. Lead the development of signal chains, thermal interfaces, and integration within dilution refrigerators, working closely with physicists and RF engineers. Perform simulation, tolerance analysis, and qualification testing in a high-ownership role driving hardware from concept to production.

Rigetti United States US$165,000 – US$190,000 pa

On-site Permanent

I'd love to work at PQShield - Speculative Application

This speculative application role invites candidates to join a pioneering deep-tech startup focused on post-quantum cryptography and RISC-V-based secure computing. You'll work alongside founders and innovators on cutting-edge semiconductor solutions, contributing to groundbreaking security technologies in a flexible, inclusive environment. The role emphasizes collaboration, rapid learning, and real-world impact in a rapidly scaling field.

PQShield United Kingdom

Sr. AMO Physicist

The role involves advancing neutral-atom quantum computing technologies through hands-on experimental work, including designing, testing, and improving quantum processing units. The physicist will collaborate with cross-functional teams to characterize systems, reduce noise and decoherence, and validate subsystems. This position is based at Quera's Harwell site and includes engagement with academic and industry partners.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

Senior Facilities Technician

This role involves hands-on maintenance and troubleshooting of critical facilities systems including HVAC, chilled water, and utility distribution in laboratory and cleanroom environments. The technician ensures compliance with safety and regulatory standards, manages contractor activities, and supports equipment installation and site reliability. It requires strong MEP knowledge, experience in high-tech manufacturing settings, and ownership of day-to-day facilities operations.

Oxford Ionics Oxford, United Kingdom

On-site Permanent