Latest Quantum Software Engineer Jobs

Spotlight

Director of Technology - Quantum

Lead the strategic development and delivery of quantum and photonics technology programmes across research, industry, and government stakeholders. Drive collaborative R&D initiatives, define technology roadmaps, and mentor technical teams focused on software, algorithms, and use cases—without hardware development. Shape national capability by translating emerging quantum technologies into practical applications and informing policy through evidence-based experimentation.

Digital Catapult London, United Kingdom £100,000 – £130,000 pa

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

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

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

Chief Platform Architect - 801

Lead the technical vision and architecture of a high-performance quantum software developer platform, focusing on scalable access portals, hybrid workflow orchestration, and secure cloud-based application delivery. Mentor senior engineers, define coding standards, and drive the technical roadmap in close collaboration with hardware teams. The role involves shaping platform engineering practices and enabling both internal and external developers through reusable components and robust APIs.

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

Hybrid Permanent

Senior Software Engineer

This role involves designing and implementing secure embedded software for classical and post-quantum cryptographic systems, with a focus on performance, correctness, and resistance to side-channel and fault injection attacks. The engineer will work across the full development lifecycle, integrating cryptographic solutions on ARM and RISC-V platforms, collaborating with hardware and security teams, and ensuring compliance with standards like FIPS and NIST. The position requires deep expertise in low-level programming and cryptographic algorithm implementation in resource-constrained environments.

PQShield United Kingdom

Remote Permanent

Scientific Software Engineer - Compiler

Develops and maintains compiler infrastructure for neutral-atom quantum computers, designing domain-specific languages and integrating simulation tools into a full-stack pipeline. Works closely with physicists and hardware engineers to co-design compilers aligned with cutting-edge quantum error correction and hardware. Involves low-level intermediate representations, quantum program optimization, and cloud integration.

Quera Computing Vale Of White Horse, United Kingdom US$102,400 – US$166,400 pa

On-site 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

Systems Engineer – Quantum Infrastructure

Design and maintain production-scale infrastructure for quantum computing systems, integrating enterprise IT with scientific hardware. Automate deployments using Terraform, Ansible, and Kubernetes while supporting a hybrid Linux/Windows environment. Collaborate with physicists and engineers to build resilient, repeatable systems in a cutting-edge research and development setting.

Adria Solutions Shipton on Cherwell, Oxfordshire, OX5 1JN, United Kingdom £40,000 – £65,000 pa

On-site Permanent

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

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

Experimental Quantum Physicist

Operate and characterise ion-trap quantum computing hardware, developing quantum control protocols for ion shuttling and gates. Perform calibration, optimisation, and characterisation while building theoretical models to validate experimental results. Collaborate with a multidisciplinary team to advance next-generation quantum computing technologies.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

Quantum Applications Scientist

This role involves co-designing quantum simulation applications tailored to QuEra’s neutral-atom quantum hardware. You'll develop novel algorithms and application pipelines in areas like quantum materials, quantum chemistry, and nuclear physics, while integrating near-term error correction techniques. The position requires close collaboration with academic partners, clients, and technical teams to bridge theory and hardware implementation.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

Director, System Software

Lead a team of software engineers developing the full-stack software that powers trapped-ion quantum computers, from real-time FPGA control systems to quantum compilers and application interfaces. Define and scale engineering processes, devops, and support workflows in a cross-disciplinary environment working closely with quantum scientists. The role is central to evolving the software architecture and team structure to support internal research and external customer delivery.

Oxford Ionics Oxford, United Kingdom

Technical Team Lead

This role involves leading a distributed UK-based engineering team while maintaining a strong hands-on contribution to the development of post-quantum cryptography systems. The Technical Team Lead will bridge technical delivery and people management, driving component design, full-stack implementation, and deployment within an Agile environment. Success requires balancing mentorship, code quality, and architectural execution in a high-performance, security-critical domain.

Arqit United Kingdom

Hybrid Permanent Clearance Required

Physicist, System Operations

Operate and maintain trapped-ion quantum computing systems, focusing on reliability, observability, and automation. Diagnose hardware issues using telemetry data and collaborate across global teams to support both commercial and development systems. Contribute to process improvement and system uptime in a high-performance technical environment.

Oxford Ionics Daejeon, Korea (Republic of)

On-site Permanent