Quantum Computing Jobs

• Remote (within the countries we operate within; Some travel to our offices will be required from time-to-time
• Remote
• Senior

Owns the product roadmap for software-based security IPs, cryptographic libraries and firmware, defining how security software integrates with hardware IPs and SoC architectures. Acts as domain expert on classical and post-quantum cryptography, hardening products against side-channel, DPA and timing attacks, and authoring PRDs that translate crypto standards into engineering requirements. Works directly with founders and customers in a deep-tech semiconductor context.

RISC-V · Arm · x86 +5

• Cambridge
• Hybrid
• Senior

Maintain and extend a Rust-based quantum compiler codebase, implementing optimisations for quantum-classical programs and new language features. Work across the full development lifecycle with a small team on the TKET compiler and Guppy language, at the intersection of compiler design and quantum computing research.

TKET · Guppy · LLVM +1

• Oxford
• Hybrid
• Permanent

Customer-facing technical role translating defence and national security challenges into mathematical models, building prototypes on simulators, software stacks and probabilistic hardware. Applies optimisation, probabilistic inference and AI methods such as QUBO, Ising models and Bayesian networks, benchmarking against classical solvers, CPUs and GPUs. Leads projects from requirements capture to pilot within defence constraints including security classification and export control.

CPUs · GPUs

• Belfast

Builds horizontally scalable, mission-critical enterprise software within a fast-moving product team where code ships to customers in weeks. Works with systems architects on component design, applies AI tooling across the development lifecycle, and monitors production performance. Uses languages such as Java, Kotlin, Rust, Python or C++ with containers and cloud IaaS/PaaS.

AI Coding Companions · IaaS · PaaS

• Belfast
• Senior

Builds horizontally scalable, mission-critical enterprise software in a fast-moving product team where code ships to customers within weeks. Works across hybrid cloud IaaS/PaaS architectures using Java, Kotlin, Rust, Python or C++, embedding AI tooling across the development lifecycle, mentoring junior engineers and monitoring production performance.

Linux · AI Coding Companions

• Cambridge
• Hybrid
• Senior · manages people

Leads engineering teams building core quantum languages, compilers and toolkits such as Selene, TKET, HUGR and Guppy, balancing people management with technical roadmap execution. Stays hands-on through design discussions, architectural reviews and code problem-solving, and guides tooling from research prototypes to production-grade software. Collaborates with hardware, theory and product teams across global sites, with occasional international travel.

Selene · TKET · HUGR +1

• Exeter
• £21,805 pa
• Entry level
• Contract

A 3.5-year PhD modelling nonlinear quantum optomechanical devices, focusing on suspended graphene resonators coupled to superconducting microwave cavities. The student develops analytical and numerical models of device dynamics, examines limitations like parasitic coupling and decoherence, and designs protocols for non-classical mechanical states, working with theorists and experimentalists.

Graphene Resonators · Superconducting Microwave Cavities · Phononic Crystals

• Manchester
• £21,805 pa
• Entry level
• Contract

Builds hybrid quantum-dot–rubidium interfaces for frequency conversion and storage of single photons in warm alkali vapour, combining device fabrication, cryogenic QD optics and atomic-vapour experiments. The work spans optical-setup design, III–V semiconductor and atomic physics, quantum optics and numerical modelling of EIT and four-wave mixing, with links to metro-link quantum network trials.

Quantum-Dot Sources · Rubidium Vapour Memories · Optical Fibre

• Oxford
• Senior

Lead end-to-end delivery of the Systems Software roadmap across five engineering teams (runtime, orchestration, quantum tools, controllers, transport) for concurrent next-generation quantum system programmes. Own planning, dependency management, risk surfacing and status reporting, working with hardware, science and US-based teams to make capacity decisions explicit.

Jira · Confluence · GitHub +1

• Oxford
• On-site
• Senior

Builds and commissions precision optical and laser assemblies for quantum computing hardware, covering free-space alignment, fibre coupling and testing delicate components under microscopes. Works alongside technicians, engineers and scientists on system builds, maintenance and upgrades, documenting work and maintaining a safe laser laboratory.

Class 4 Lasers · Microscopes · PPE

• Berkeley, United States
• Hybrid
• US$190,000 – US$225,000 pa
• Lead · manages people

Lead a cross-functional team building next-generation superconducting quantum hardware, proposing new technical directions and designing experiments to improve performance and scalability. Own delivery of key quantum technologies, using cryogenic systems, RF and time-domain measurement, and Python to close performance gaps.

Python · cQED Simulation Tools

• Kidlington
• Hybrid
• Mid-level
• Permanent

Designs, analyses and implements fault-tolerant architectures for scalable quantum computation, developing error-correcting codes, decoders and fault-tolerant gate constructions tailored to neutral atom hardware. Works with hardware, control and compiler teams to model noise, optimise syndrome extraction and define logical performance metrics, bridging QEC theory and experimental implementation.

• Kidlington
• Hybrid
• Mid-level
• Permanent

Designs, implements and optimises quantum algorithms for simulation, optimisation and hybrid quantum-classical workloads, working with hardware, control and research teams to turn theory into executable applications. Deploys software optimisations to the Superstaq cloud platform using industry-grade engineering practices, supports customers, and contributes to research publications and commercial proposals.

Superstaq

• Berkeley, United States
• Hybrid
• US$180,000 – US$230,000 pa
• Mid-level

Owns end-to-end deployment of quantum computing systems both on-premises at customer and partner sites and on the cloud platform, acting as the technical point of contact from site requirements through installation, validation and handoff. Combines DevOps work — Kubernetes, AWS, Terraform, CI/CD, observability — with on-site commissioning, SRE support and root-cause analysis, with international travel and on-call during installations.

Kubernetes · Karpenter · EKS +7

• Haywards Heath
• Hybrid
• Permanent

Take technical ownership of systems engineering for complex quantum computing systems, from requirements definition through integration, verification and deployment. Work across electronic, mechanical, cryogenic, vacuum, optical, software and control domains, applying MBSE, traceability and configuration control while driving technical risks and trade-offs to resolution with cross-functional teams.