Latest software engineer Jobs

Senior Software Engineer, Non-Realtime Controllers

This role involves developing and maintaining software for non-realtime hardware controllers that support quantum computing systems. The engineer will work on robust, production-grade services that interface with physical instruments such as cryogenic compressors, vacuum pumps, and temperature controllers, ensuring reliability and observability across a fleet of quantum machines. The position emphasizes end-to-end ownership of controller services, integration with a shared framework, and close collaboration with systems teams and quantum scientists.

IonQ Oxford, United Kingdom

Staff Software Engineer, Non-Realtime Controllers

Design and develop software for non-realtime control systems that manage supporting hardware in quantum computers, including cryogenics, vacuum systems, and sensors. Work hands-on with real quantum hardware in a lab environment, diagnosing deep technical issues, improving system reliability, and building shared frameworks and tooling. Collaborate closely with quantum scientists, systems engineers, and software teams to ensure stable, observable, and scalable operations across a growing fleet of quantum systems.

IonQ Oxford, United Kingdom

IT Engineer

This role provides frontline IT support in a high-stakes quantum R&D and semiconductor fabrication environment, serving a technically diverse workforce. The engineer ensures uninterrupted operations by managing endpoints, user provisioning, and critical IT systems across Windows, macOS, and Linux platforms, with responsibilities spanning from onboarding to incident response in controlled environments. The position demands strong triage skills, familiarity with lab and cleanroom protocols, and the ability to support specialized research infrastructure.

Rigetti United States US$80,000 – US$120,000 pa

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

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

RF- Electronics Engineer

Design and validate RF PCBs and architectures for a custom RF delivery system in support of quantum computing hardware. Work across disciplines to develop innovative RF solutions and contribute to proof-of-concept testing and system integration. Collaborate closely with engineers and physicists in a fast-paced R&D environment.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

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

Embedded DevOps Engineer

This role focuses on building and maintaining robust CI/CD pipelines, hardware-in-the-loop testing, and infrastructure-as-code systems to support quantum computing and sensor development. The engineer will manage software deployment, system security, and lab infrastructure, ensuring high uptime and traceable, reliable releases across integrated software, firmware, and gateware. Close collaboration with both hardware and software teams is essential in a research-driven lab environment.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Electronics Engineer

Designs and develops RF and high-speed electronic systems for quantum photonic hardware, including electro-optic modulation, low-latency control, and readout systems for superconducting nanowire single-photon detectors. Works closely with photonics and quantum engineering teams to integrate electronics into advanced quantum computing systems using silicon photonics. Involves FPGA-based control, signal integrity optimization, and testing in lab environments.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £50,000 – £57,000 pa

Senior Photonics Engineer, Optical Interfaces

Develops ultra-low-loss optical interface solutions between dissimilar waveguiding platforms using photonic device design, simulation, and experimental validation. Focuses on mode conversion and coupling for scalable quantum computing systems. Works closely with internal teams and external partners to mature practical, manufacturable solutions.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £64,000 – £76,500 pa

On-site Permanent

Senior Mechanical Engineer

This role involves leading the mechanical design and integration of hardware systems for quantum computing platforms, including cryostat internal architecture, RF signal delivery, and silicon device packaging. You will collaborate with physicists, RF engineers, and external partners to develop high-performance systems for ultra-low-temperature environments.

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

Hybrid

General Interest in working for Quantinuum - London-Cambridge-Oxford

This is a general interest application role for candidates with experience or interest in quantum technologies. The position serves as a talent pool for future openings across quantum hardware, software, quantum chemistry, AI/ML, encryption, and algorithms. Applicants may be contacted for specific roles in London, Cambridge, or Oxford as opportunities arise.

Quantinuum United Kingdom

On-site Permanent

Technical Product Manager (Hardware Security & IP)

This role involves defining and driving the product roadmap for hardware security IP and post-quantum cryptography solutions within a deep tech semiconductor startup. You'll act as the technical bridge between engineering, security, and business teams, translating cryptographic standards into hardware requirements and guiding integration with customer systems. The position requires deep technical expertise in SoC architecture, security IP, and end-to-end product development in the context of RISC-V and post-quantum security.

PQShield United Kingdom

Remote Permanent

Sales Director - Japan

Lead sales strategy and execution for a post-quantum cybersecurity company in Japan, targeting enterprise clients in semiconductor, telecom, automotive, and security sectors. Drive market expansion by building relationships with key stakeholders and closing high-value technical IP deals. Collaborate with field application engineers and global teams to align product development with customer needs.

PQShield United Kingdom

Research Associate in Quantum Computation

This role involves conducting cutting-edge theoretical research in quantum computation, focusing on error suppression across the full stack—from hardware-level noise mitigation to fault-tolerant systems. The researcher will engage in analytical and numerical work, collaborate with experimental and industrial partners, and contribute to scalable quantum architectures. Access to high-performance computing and cloud-based quantum hardware supports simulation and verification of new methods.

Imperial College London London, United Kingdom £50 – £59 pa

Contract