Latest Quantum Software Engineer Jobs

Chief Platform Architect - 801

The Chief Platform Architect will lead the design and development of Quantinuum’s quantum software developer platform, ensuring scalability, security, and performance. Key responsibilities include defining the technical roadmap, mentoring senior engineers, and collaborating on hardware-software co-design efforts.

Quantinuum United States US$208,000 – US$260,000 pa

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 Research Software Engineer

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 Calibration Engineer, Quantum Computing Services

This role involves developing and deploying calibration and performance characterization software for QuEra’s neutral-atom quantum computers. You will design efficient experimental routines, build data-analysis pipelines, and optimize machine performance, working closely with physicists, software engineers, and hardware specialists.

Quera Computing United Kingdom

On-site Permanent

Scientific Software Engineer - Compiler

This role involves developing and maintaining domain-specific languages for QuEra’s compiler pipeline, integrating high-level applications with low-level hardware, and collaborating with physicists and engineers to advance quantum computing technologies. You will work on cutting-edge challenges in compiler design, hardware integration, and quantum error correction, using tools like Python, C++, and Kirin.

Quera Computing United Kingdom

On-site Permanent

Integration Software Engineer

As an Integration Software Engineer at Riverlane, you will design and build embedded software components for the quantum error correction stack, Deltaflow, and integrate it into world-class quantum computing systems. You will collaborate with the engineering, product, and quantum physics teams to ensure seamless deployment and performance, working hands-on in areas outside your expertise and directly with customers.

Riverlane Cambridge, United Kingdom £65,000 – £80,000 pa

Hybrid Permanent

Senior Embedded Software Engineer - Systems Team

The role involves bridging the gap between Riverlane and its customers by configuring Deltaflow Hardware to connect with quantum computers, ensuring low-latency and high-throughput operations. Responsibilities include technical workshops, system integration, troubleshooting, and customer advocacy, working closely with a diverse team of experts in quantum error correction.

Riverlane Boston, United Kingdom £145,000 – £205,000 pa

Hybrid Permanent

IC Layout Automation Software Engineer

This role involves developing and maintaining software systems that automate the design and layout of superconducting quantum circuits. The engineer will work at the intersection of software, IC layout, and semiconductor fabrication, translating device requirements into manufacturable layouts using tools like GDSII and EDA platforms. Collaboration with cross-functional teams in a research-driven environment is central to improving and scaling design tooling for quantum computing.

Rigetti United States US$190,000 – US$220,000 pa

On-site Permanent

FPGA Design Engineer

This role involves designing and verifying RTL and embedded code for Xilinx FPGAs and SoCs used in real-time control systems for quantum networking. The engineer will work hands-on with multidisciplinary teams to develop and debug hardware subsystems, contribute to next-generation platforms using White Rabbit technology, and support automation of toolchains and CI/CD pipelines. The position is central to deploying scalable quantum infrastructure.

Nu Quantum Cambridge, United Kingdom

On-site Permanent

ASIC Evaluation Engineer

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

On-site Permanent

Optics Engineer

Contract Type: Full-time, PermanentLocation:Cambridge, UKVisa Sponsorship availableClosing date for applications: Wednesday 20th May 2026 at 5pm (UK time).Join Nu Quantum - Shaping the Future of TechnologyNu Quantum is at the forefront of quantum computing and advanced technology, driven by innovation,...

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Electronics Engineer

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

On-site Permanent

Senior Optical Engineer

As a Senior Optical Engineer, you will collaborate with a multidisciplinary team to design, build, and test advanced optical systems for quantum sensing and computing. Your role involves leading the development of optical systems from requirements to assembly, optimizing designs, and validating components for performance and reliability.

Infleqtion Oxford, United Kingdom

Hybrid Permanent Flexible

Systems Engineer

The Systems Engineer will lead the transformation of hardware prototypes into manufacturable and scalable quantum products. Key responsibilities include system-level design, requirements capture, documentation, modelling, simulation, and coordinating integration and validation processes. You will work closely with a multidisciplinary team of physicists, hardware and software engineers, and product teams to ensure seamless integration and lifecycle performance.

ColdQuanta Oxford, United Kingdom

Hybrid Permanent

Lead Electrical Engineer, Control Systems

This role involves designing, developing, testing, and deploying hardware for quantum computing, specifically focusing on low-noise mixed-signal board design. The Lead Electrical Engineer will collaborate with a multidisciplinary team to deliver cutting-edge quantum control solutions, mentor junior engineers, and drive technical excellence in a fast-paced environment.

Rigetti United States US$165,000 – US$215,000 pa

On-site Permanent