Quantum Computing Jobs

Software Engineer - Open Source

As a Software Engineer at Riverlane, you will work on Deltakit, an open-source platform for building and simulating quantum error correction (QEC) experiments. Your role involves designing and implementing robust software tools, collaborating with leading experts in QEC, and engaging with the user community to ensure the software meets their needs and is user-friendly.

Riverlane Cambridge, United Kingdom £60,000 – £70,000 pa

Hybrid Permanent

Senior Software Engineer - Open Source

As a Senior Software Engineer at Riverlane, you will lead the development of Deltakit, an open-source platform for building and simulating quantum error correction (QEC) experiments. Your role involves driving the design and delivery of new features, improving performance and usability, and ensuring the platform scales with growing user needs. You will also engage with the QEC community to gather feedback and translate it into meaningful improvements, while mentoring and guiding other engineers in the team.

Riverlane Cambridge, United Kingdom £72,000 – £90,000 pa

On-site Permanent

Senior Electronics Engineer

As a Senior Electronics Engineer, you will design, develop, and test electronics subsystems for cutting-edge quantum computers. Your responsibilities include schematic capture, PCB layout, high-speed signal integrity, and hands-on testing of quantum control hardware, contributing to the success of the hardware team.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent

Quantum Systems Scientist - Oxford

This role involves ensuring the continuous operation and performance of trapped-ion quantum systems, focusing on system diagnostics, uptime enhancement, and collaborative problem-solving. You will work with complex optomechanical systems, build monitoring tools, and drive technical improvements to enhance system reliability.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Quantum Software Engineer - QEC

ABOUT THE COMPANYInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Software Engineer - Algorithms & Applications

ABOUT THE COMPANYInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

System Architect, Simulations & Models

PsiQuantum’s mission is to build the first useful quantum computers—machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems.Quantum computers harness...

PsiQuantum United Kingdom

Quantum Architect (Design)

PsiQuantum’s mission is to build the first useful quantum computers—machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems.Quantum computers harness...

PsiQuantum United Kingdom

Supply Chain & Procurement Lead

AtUniversal Quantum, we are building the next generation of quantum computers — machines capable of solving problems once thought impossible. Our technology has the potential to transform industries from healthcare to aerospace, materials science, and beyond. As we scale from...

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Ion Transport Designer

AtUniversal Quantum, we aim to make the world a better place by engineering the future of computing. Together, we are creating truly impactful quantum computers. Our machines will be capable of solving problems until now considered impossible, with applications ranging...

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Chief Architect for Developer Tools - 802

As the Chief Architect for Developer Tools, you will lead the technical direction for Quantinuum’s quantum software tools, working closely with hardware teams to ensure the software stack is scalable and optimized. You will mentor senior engineers, set coding standards, and drive the technical roadmap to deliver robust, production-ready systems.

Quantinuum Cambridge, United Kingdom

On-site Permanent

Senior Software Engineering Manager

Leads a software engineering team building critical internal systems for quantum computer design, fabrication, and characterization. Focuses on developing scalable data platforms, scientific tooling, and workflow automation that integrate with hardware development processes across quantum physics and engineering domains.

Rigetti United States US$220,000 – US$250,000 pa

On-site Permanent

Senior Technical Program Manager (TPM)

The Senior Technical Program Manager will lead the planning and execution of complex engineering programs at Rigetti, coordinating between research scientists, hardware engineers, and control systems to deliver integrated quantum systems on schedule. The role involves managing program roadmaps, milestones, and integration schedules, while ensuring alignment with company priorities and driving operational excellence in a fast-moving, research-driven environment.

Rigetti United States US$160,000 – US$190,000 pa

Hybrid Permanent

Senior Software Engineer - Developer Tools

As a Senior Software Engineer for Developer Tools, you will develop and maintain compiler toolchains, optimization tools, and circuit transformation libraries that connect quantum developers to IonQ's hardware. You will work closely with the Compiler, QEC, and Applications teams to ensure robust, well-documented, and user-friendly interfaces for advanced quantum computing features, directly impacting the performance and reliability of quantum applications.

IonQ United Kingdom

On-site Permanent

Cryptographer

The Cryptographer role involves collaborating with sales and technical teams to explain cryptographic concepts, prepare technical presentations, and design secure solutions. You will also support RFP responses, risk assessments, and engage with the academic cryptography community, maintaining up-to-date knowledge of cryptographic protocols and compliance standards.

Arqit United Kingdom

Hybrid Permanent