Jobs in London

Director of Software US or UK - 800

As the Director of Software, you will lead the development of a high-performance software stack for quantum computers, including front-end languages, compilers, and applications. You will manage teams in both the US and UK, ensuring the software ecosystem aligns with hardware advancements and customer needs, while staying at the forefront of quantum computing trends.

Quantinuum United Kingdom US$238,050 – US$297,563 pa

On-site Permanent

Assistant Management Accountant

This role involves supporting the Finance team in a fast-growing quantum computing startup. Responsibilities include accounting, financial reporting, financial modelling, and system management. The position offers opportunities for professional growth and impact within a dynamic, interdisciplinary team.

Quantum Motion London, United Kingdom

On-site Permanent

Lead QPU Design Engineer

The Lead QPU Design Engineer will lead the end-to-end design and execution of silicon spin qubit quantum processor units (QPUs) and test vehicles, from concept to tapeout. This role involves hands-on work in layout or simulation, defining standards, running reviews, and managing a team, while collaborating with experimentalists and device modellers to refine designs and device models.

Quantum Motion London, United Kingdom

Hybrid Permanent

Deployment Physicist, On-premises Installation - 572

We are seeking a highly qualified Deployment Physicist, On-premises Installation based in our London or Cambridge locations to install and service Helios systems worldwide for our Hardware-as-a-Service business.Helios is our current-generation quantum computer with 98 physical qubits and >99.9% two-qubit...

Quantinuum United Kingdom

Hybrid

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

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 Bristol, United Kingdom

Hybrid Permanent

Senior Quantum Engineer

As a Senior Quantum Engineer, you will collaborate with experimental experts to benchmark and optimize quantum processors based on silicon quantum dots. You'll develop automated calibration routines, devise measurement and analysis roadmaps, and work closely with the Quantum Hardware Team to push the limits of quantum computing technology.

Quantum Motion London, United Kingdom

On-site Permanent

Senior Software Infrastructure Engineer (DevOps)

This role involves developing, managing, and maintaining software services in a hybrid cloud and on-premises infrastructure. You will lead the evolution of a robust hybrid-cloud environment, optimize performance and cost-efficiency, and drive automation for deployment, monitoring, and self-healing systems. The position offers significant opportunities for professional growth and impact within a cutting-edge quantum computing startup.

Quantum Motion London, United Kingdom

Hybrid Permanent

Technical Product Owner (Intelligent Automation)

This role involves managing the software layer that enables efficient data acquisition, experiment analysis, and control of quantum processors. You will work closely with hardware experts and IC engineers, gather requirements, curate the backlog, and facilitate Agile processes to ensure smooth software deployments and experimental progress.

Quantum Motion London, United Kingdom

Hybrid Permanent

Senior Quantum Engineer - Quantum Processors

This role involves designing and executing experiments on silicon-based quantum systems, supporting the architectural design of scalable quantum computing systems, and optimizing cryogenic infrastructure. You will work closely with a high-impact, interdisciplinary team to develop and test quantum devices, contributing to the advancement of quantum computing technology.

Quantum Motion

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

Project Manager

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

Senior IC Validation Engineer

This role involves the design and test of deep-cryogenic integrated circuits that interact with qubits, focusing on performance optimization and data analysis. You will work closely with a multidisciplinary team to develop scalable quantum processors based on silicon technology, contributing to the advancement of quantum computing.

Quantum Motion

On-site Permanent

Senior Quantum Engineer

As a Senior Quantum Engineer, you will work closely with experimental experts to benchmark and optimize quantum processors based on silicon quantum dots. You will develop automated calibration routines, devise measurement and analysis roadmaps, and contribute to the development of scalable quantum computers in a dynamic, high-impact team environment.

Quantum Motion

On-site Permanent

Senior Counsel (Commercial Contracts) / (6 months)

The Senior Counsel will manage corporate contracts and legal activities, focusing on drafting and negotiating various agreements, providing legal advice, and supporting compliance. You will work closely with the legal team and cross-functional stakeholders to ensure the company's growth and innovation are legally sound and compliant.

Quantinuum United Kingdom

Hybrid Contract