Quantum Computing Jobs

60 jobs for “Software Engineer”

Results

IonQ logo

IonQ · 501–1000 people · Public

Staff Software Engineer, System Orchestration

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  • Oxford
  • Hybrid
  • Senior

Hands-on staff engineering role building and operating the control plane that schedules, calibrates and records work across a fleet of trapped-ion quantum computers. You'll write Rust services handling scheduling, exclusive hardware access, result streaming and data durability, working with runtime, systems and operations teams. Deep diagnosis of live-system failures and setting service boundaries are central.

Rust · gRPC · REST +6

Clearance required Last month
IonQ logo

IonQ · 501–1000 people · Public

Staff Software Engineer, Runtime

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  • Oxford
  • Hybrid
  • Senior

Join the Runtime Software team to build the real-time control system that turns a collection of hardware into a quantum computer. You'll develop Rust libraries and execution environments, write drivers for real-time devices, and work closely with experimental scientists, FPGA and compiler teams to drive ions with nanosecond precision.

Rust · FPGA · Linux

Clearance required 3 weeks ago

Universal Quantum · 51–200 people · Series A

RF - System Designer

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  • Haywards Heath
  • On-site
  • Permanent

Designs and architects a custom RF delivery system, including cables and transmission lines, defining specifications and trade-offs for key building blocks. Oversees RF design, simulation, integration, verification and validation testing, and contributes to proof-of-concept work. Works cross-functionally with electronics, ASIC, mechanical, software engineers and physicists, with involvement in project planning and risk management.

3 months ago

Universal Quantum · 51–200 people · Series A

Systems Engineer

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  • 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.

Last week
Rigetti logo

Rigetti · 51–200 people · Public

Senior Mechanical Engineer

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  • Berkeley, United States
  • Hybrid
  • US$165,000 – US$190,000 pa
  • Senior

Lead the mechanical design and integration of cryogenic hardware for quantum computers, including cryostat internals, RF signal delivery and silicon device packaging inside dilution refrigerators. Work spans 3D CAD, FEA thermal/vibrational simulation, prototyping and supplier management, collaborating with quantum physicists and RF engineers.

SolidWorks · PLM · CAD +1

Last month
Rigetti logo

Rigetti · 51–200 people · Public

Senior Quantum Engineer, Gate Calibration

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  • Berkeley, United States
  • Hybrid
  • US$175,000 – US$200,000 pa
  • Senior

Lead experimental programs to characterize, calibrate and optimize two-qubit gates on tunable-coupler superconducting processors, isolating error sources such as leakage, crosstalk and decoherence. Develop pulse shaping, dynamical decoupling and automated calibration methods that scale across hundreds of qubit pairs, feeding findings back into device design and fabrication.

QuTiP · Rigetti Quantum Cloud Services

3 months ago

Infleqtion · 51–200 people · Public

Systems Integration Engineer - Compute

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  • Kidlington
  • Hybrid
  • Permanent

Integrate RF, optical, electronic and third-party devices into complex quantum computing systems, translating system requirements into practical architectures, interconnects and control schemes. Perform bring-up, commissioning, fault isolation and EMI/EMC troubleshooting, and define verification and validation test plans. Work within multi-disciplinary teams of physicists, engineers and technicians.

Last month

PsiQuantum · 501–1000 people · Late stage

Senior Photonics Engineer, Optical Interfaces

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  • Warrington
  • On-site
  • £64,000 – £76,500 pa
  • Senior
  • Permanent

Develops ultra-low-loss optical interfaces between dissimilar waveguiding platforms, combining device concept design, optical simulation with BeamPROP or FDTD, and hands-on experimental validation of coupling and mode conversion. Works with internal photonics, systems and experimental teams plus external partners to mature practical, manufacturable interface solutions.

BeamPROP · FDTD · BPM +1

2 weeks ago

PsiQuantum · 501–1000 people · Late stage

Mechanical Design Engineer – Photonic Hardware

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  • Warrington
  • On-site
  • £50,000 – £56,000 pa
  • Mid-level
  • Permanent

Mechanical design role focused on precision hardware for optical quantum computing, covering enclosure and packaging design, thermal management, simulation and validation. Works closely with photonics, systems and architecture teams plus external suppliers, taking concepts from prototype build toward manufacturable systems.

Silicon Photonics · Fibre Optics · Cryogenics +1

2 weeks ago

Infleqtion · 51–200 people · Public

AMO Physicist - Quantum RF

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  • Kidlington
  • Hybrid · 3 days in office
  • Mid-level
  • Permanent

Experimental AMO physicist role focused on translating product requirements into atomic system designs for quantum RF sensor systems. Involves modelling, simulation, testing and integrating opto-mechanical systems, electronics and software into quantum devices, working closely with a multidisciplinary team of physicists and engineers.

2 weeks ago

University of Exeter

PhD Studentship: Quantum Information with Mechanical Systems (QuIMS): Modelling Nonlinear Quantum Optomechanical Devices

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  • 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

2 weeks ago

Quantinuum · 201–500 people · Series B

Advanced R&D Scientist - Quantum Algorithms - 920

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  • 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

3 months ago
IonQ logo

IonQ · 501–1000 people · Public

Senior Quantum Physicist

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  • Oxford
  • Hybrid
  • Senior

Validates and optimises trapped-ion quantum computers, prototyping coherent control and cooling schemes, calibrating and benchmarking qubit gates, and validating emerging trap technologies with integrated electronics and photonics. Involves coding and debugging experiments in Python or Rust and documenting findings within a fast-moving UK science team.

Python · Rust

Clearance required 3 weeks ago
IonQ logo

IonQ · 501–1000 people · Public

Principal Software Architect

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  • Oxford
  • Lead

Leads the evolution of the system software architecture for a quantum computer, spanning real-time hardware control, low-level orchestration and developer-facing interfaces across a family of products. Coaches technical leads in architectural principles and coordinates with infrastructure, firmware and compiler teams in the UK and US, working at system level rather than designing through code.

Rust · AWS

Clearance required Last week

PsiQuantum · 501–1000 people · Late stage

Senior Quantum Applications Architect

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  • Warrington
  • £73,300 – £86,100 pa
  • Senior

Translate computational tasks into abstract quantum-algorithm specifications, analyse asymptotic performance, and define problem instances beyond classical reach. Work with the Compilation team on explicit implementations and resource estimates, and lead research programs with industrial and academic partners across fault-tolerant photonic quantum computing.

Python · C++

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