Quantum Computing Jobs in London

• London
• £26,022 pa
• Entry level
• Contract

Theoretical PhD project exploring how terahertz photons can control quantum matter, from Landau polaritons in high magnetic fields to topological qubits. Combines quantum optics, condensed-matter theory and numerical modelling of driven open quantum systems, with close links to experimentally achievable THz cavities.

• London
• £44,861 – £55,099 pa
• Entry level
• Contract

Two postdoctoral Research Fellow positions at the newly established David Potter Institute for Quantum Information and Spacetime, working at the interface of quantum information theory and gravity to probe the quantum nature of spacetime. The roles sit within a highly collaborative environment spanning Physics, Mathematics, Computer Science, Philosophy and Science and Technology Studies, involving several theory groups plus an experimental group. Posts are initially funded for two years, starting October 2027 or earlier by arrangement.

• London
• Hybrid
• Mid-level
• Permanent

Develops FPGA-based digital control hardware for photonic quantum computing systems, owning architecture, RTL design, simulation, synthesis, timing closure and hardware bring-up. Works in a multidisciplinary R&D team with electronics engineers, physicists and software developers on high-speed, low-latency control and signal processing using ADCs, DACs and high-speed interfaces.

Xilinx Vivado · Intel Quartus · ADC +2

• London
• Hybrid
• Senior
• Permanent · Flexible

Develops and benchmarks quantum error-correcting codes and fault-tolerant protocols tailored to neutral-atom hardware, including decoder design, logical error models and error budgets. Builds and maintains QEC simulation and emulation tools, analyses experimental data, and provides QEC-driven inputs to future QPU architecture design. Involves writing technical reports and scientific articles and representing the company at international conferences.

Python

• London
• Hybrid
• Senior

Own the full electronics development lifecycle for photonic computing hardware, from analogue and mixed-signal circuit design through schematic capture, PCB layout, prototyping and lab verification. Work alongside physicists, optical engineers and embedded software developers in a collaborative R&D team, testing with oscilloscopes and spectrum analysers and supporting integration and EMC work.

ADC · DAC · Oscilloscopes +1

• London
• On-site
• £50,733 – £62,001 pa
• Entry level
• Contract

Designs optimised driving schemes for noise-resilient entangling gates with trapped ions, supporting an experimental partner in Innsbruck and a theory partner in Sofia. Combines analytical and numerical optimal control methods to identify and overcome imperfections limiting gate fidelities at finite temperature and without accurate calibration.

• London
• Hybrid
• Mid-level

Develops novel quantum algorithms in computational topology and geometry, characterising resource requirements and noise-robustness, then implementing and optimising them on Quantinuum's quantum hardware using error mitigation and error correction. Works across the full quantum computing stack with hardware, QEC and software teams, and with academic and industry partners on quantum topological data analysis use cases.

pytket · Guppy · Qiskit

• London
• US$179,000 – US$241,000 pa
• Senior

Acts as technical authority for a quantum software developer platform, owning the design of access portals, hybrid workflow orchestration, tooling, documentation and security. Works with hardware-software co-design leaders to keep the platform scalable, mentors senior engineers, sets coding standards and drives the technical roadmap.

AWS · Azure · GCP +1