Latest quantum software developer Jobs

R&D Manager - Software -914

This role involves leading a team of software engineers to develop and mature quantum programming languages, compilers, and developer tools such as Guppy, HUGR, and TKET. The position balances technical leadership with people management, guiding the full software development lifecycle from research to production. The team collaborates closely with research, hardware, and product groups across the UK and US to ensure the software stack supports cutting-edge quantum processors.

Quantinuum Cambridge, United Kingdom

Hybrid

Director, Systems Software

Leads the software team responsible for developing a full-stack system that controls and monitors trapped-ion quantum computers. Focuses on defining software architecture, improving devops and release processes, and scaling the engineering team. Works closely with quantum scientists and engineers to translate low-level experiments and quantum algorithms into functional software using Python and Rust.

IonQ Oxford, United Kingdom

Senior Quantum Engineer, Gate Calibration

Designs and executes experiments to improve two-qubit gate fidelity on superconducting quantum processors, identifying error sources and implementing pulse engineering and calibration solutions. Develops robust, scalable calibration methods and provides feedback to hardware teams. Works across device physics, control systems, and software to advance quantum processor performance toward error correction.

Rigetti United States US$175,000 – US$200,000 pa

Systems Integration Engineer (Field, Quantum Systems)

This role involves deploying and commissioning quantum computing systems at customer sites globally, ensuring hardware and software performance meet specifications. The engineer will lead technical bring-up, troubleshooting, and calibration of superconducting qubit systems, either focusing on cryogenic hardware integration or gate-level calibration and cloud deployment. Collaboration with R&D teams and customer personnel is central, with significant international travel required.

Rigetti United Kingdom

Hybrid Permanent

Internship Opportunities with Quantinuum 2026 - UK/Germany

This role involves contributing to cutting-edge projects in quantum computing across areas such as quantum software development, algorithms, machine learning, cybersecurity, and hardware. Interns will work on specific technical projects or client collaborations, gaining experience alongside leading scientists and engineers. The internship is project-based, typically lasting 3–6 months, with opportunities for progression into full-time roles.

Quantinuum United Kingdom

On-site Internship

Quantum Software Engineer - Algorithms & Applications

Develops quantum algorithms and applications for near-term and fault-tolerant quantum systems, focusing on simulation, optimization, and hybrid quantum-classical workflows. Works across software, hardware, and research teams to implement and optimize algorithms using modern quantum SDKs and compiler toolchains. Contributes to customer support, proposal development, and scientific publication in high-impact journals.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Software Engineer - QEC

Designs and implements quantum error correction (QEC) protocols for scalable, high-fidelity quantum computation, with a focus on neutral atom platforms. Develops custom decoders, models noise processes, and collaborates with hardware and software teams to translate theoretical QEC frameworks into practical implementations. Engages in research, simulation, and cross-team collaboration to advance fault tolerance in quantum systems.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Lead Software Engineer

Leads a cryptographic software IP team, overseeing the full software development lifecycle from design to customer delivery. Responsible for technical leadership, architectural decision-making, mentoring engineers, and ensuring high-quality implementation of embedded security solutions. Works closely with hardware teams and customers, with a strong focus on post-quantum cryptography and secure software design.

PQShield United Kingdom

Remote Permanent

Intern, System Architecture

This internship involves developing photonic quantum computing architectures through simulation, software implementation, and protocol design. Interns will work on translating quantum information theory into physical system designs, using programming and modeling to advance fault-tolerant quantum systems. The role emphasizes collaboration, innovation, and technical rigor in a cutting-edge quantum computing environment.

PsiQuantum United Kingdom £31,200 – £56,160 pa

Hybrid Internship

Staff FPGA Engineer

Design and develop FPGA-based signal processing and control systems for quantum computing hardware, including RTL module development, simulation, and firmware testing. Implement real-time control logic using Vivado and verify performance through unit and system-level testing. Collaborate with cross-functional teams to deliver high-performance embedded solutions for trapped-ion quantum systems.

Oxford Ionics Oxford, Oxfordshire, United Kingdom

Staff FPGA Engineer

Design and develop FPGA-based signal processing and control systems for quantum computing hardware. Implement RTL modules, verify logic using simulation tools, and debug real-time control functions using lab equipment. Collaborate with cross-functional teams to deliver high-performance firmware for quantum control systems.

IonQ Oxford, United Kingdom

Software Engineer (Modelling & Simulations)

Develop and maintain modelling and simulation software for quantum computing systems, working closely with quantum scientists and engineers. Build reliable, well-documented tools to support design verification and optimisation workflows. Contribute to the full software lifecycle, from development to deployment on HPC and cloud infrastructure, ensuring accuracy and usability across internal and external teams.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Quantum Error Correction Scientist

Design and simulate quantum error correction protocols tailored to hardware capabilities, characterise qubit noise profiles, and perform resource estimation for large-scale quantum computing applications. Contribute to hardware and software optimisation decisions to improve error correction performance. Work within a forward-thinking team focused on building scalable, impactful quantum computers.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Senior Quantum Scientist (Superconducting Circuits, Measurement Focus) (x2 posts)

This role involves developing and scaling superconducting quantum computing systems, with a focus on measurement, calibration, and error analysis. The scientist will advance control software, perform benchmarking, and contribute to quantum error correction research within a multidisciplinary team. Work is conducted at the UK’s National Quantum Computing Centre, supporting national strategy and full-stack integration of quantum technologies.

STFC - The Science and Technology Facilities Council Didcot, Harwell, South East England, United Kingdom £58 pa

Permanent

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