Software Developer - Quantum Computing

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through our ecosystem of devices and platforms. We are recruiting for a Software Developer for our quantum computing platform.
LOCATION
Infleqtion has offices in the USA, United Kingdom and Australia. This is a full-time position split between our Kidlington, Oxford office and the National Quantum Computing Centre, Harwell. Our flexible working policy enables all full-time employees to work up to 2 days a week from home if work permits.
POSITION SUMMARY
Infleqtion UK is looking for a software developer with quantum computing experience to contribute to the maintenance, testing and development of our flagship full stack quantum computer, located at the NQCC on the Harwell Campus. The developer will work on the full quantum computing stack, including areas such as:
Modelling of real-world problems and developing quantum algorithms to solve them;
Developing tools for compiling quantum circuits to device specific gate sets, considering noise mitigation/reduction and error correction;
Maintaining and improving Superstaq, Infleqtion’s cloud interface for quantum computing;
Implementing and studying verification and benchmarking routines for quantum devices, particularly those relevant to neutral atom based digital quantum computers.
The successful candidate will be an essential part of a growing UK software team with the opportunity to make impactful contributions to a world leading quantum computer.
POSITION RESPONSIBILITIES
The duties and responsibilities outlined below include essential functions of the role. Depending on business needs, this role may perform a combination of some or all of the following duties.
Work with a distributed team of developers across UK, US and AUS to deploy software to our cloud platform (Superstaq) using industry-grade software engineering procedures including documentation, linting, testing, and type-checking.
Work with a global team of physicists and embedded system engineers to develop experimental tools for use on our quantum computers.
Interface with customers of Superstaq to understand their needs and support them in a timely fashion.
Research and implement verification and benchmarking routines for quantum devices and develop tools for analysing and presenting results.
Conduct R&D toward cutting-edge advances in broader quantum technologies.
MINIMUM REQUIREMENTS
Master’s or PhD-level training in computer science, engineering, physics, maths or a directly related field;
Must have a strong familiarity with quantum computing. Demonstrable experience working with Cirq and/or Qiskit is preferable. Ideal candidates will have experience developing software for neutral atom-based quantum hardware.
Must have experience writing python software, demonstrating software engineering best practices. Experience with other languages such as Rust would be advantageous;
Experience working with databases and cloud deployment (e.g. using Docker, Kubernetes) is beneficial.
Ideal candidates will have experience developing and deploying machine learning models and tools for industrial applications.
Passion for collaborating to solve complex problems in a highly technical and scientific environment. Strong scientific integrity is a must.
Demonstrated ability to work and communicate with all levels of an organization including both technical and non-technical.
In addition to your base compensation, we offer a generous Total Rewards program which includes:
Competitive salary
Unlimited PTO
Generous company pension contribution
Cycle to work and Technology schemes
Incentive Stock Option Plan

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