Quantum Software Engineer - QEC at Infleqtion, Kidlington, England, United Kingdom. A mid-level full time position in the Engineering and Software Development team, listed under software engineering.
POSITION SUMMARY
Infleqtion is seeking a Quantum Error Correction Specialist to design, analyse, and implement fault-tolerant architectures that enable scalable, high-fidelity quantum computation. In this role, you will develop and evaluate error-correcting codes, decoding algorithms, and fault-tolerant gate constructions tailored to our hardware platforms, translating theoretical QEC frameworks into experimentally realizable protocols. You will work closely with hardware, control, and compiler teams to model noise processes, optimize syndrome extraction and decoding performance, and define logical performance metrics that inform system design. The ideal candidate brings deep expertise in quantum information theory and fault tolerance, strong analytical and simulation skills, and the ability to bridge theory and implementation to advance the reliability and scalability of next-generation quantum systems.
JOB 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. Duties, responsibilities, and activities may change, or new ones may be assigned at any time.
Requirements
- PhD in theoretical physics, mathematics, computer science, or another field closely related to quantum information science
- 2+ years of postdoctoral experience (or industry equivalent) in QEC is highly preferred
- Experience in tailoring error-correcting codes for quantum computing devices, and bridging the gap between theory and experiment
- Strong scientific publication record
- Proficient in scientific computing
- Demonstrated ability to work and communicate with all levels of an organization; Professional-level communication skills, including verbal, written, and presentation skills
- Demonstrated ability to work comfortably in a highly collaborative, cross-functional, team-oriented, and matrixed environment
- Desire and demonstrated ability to thrive and produce results in a fluid, dynamic, and fast-paced environment
- Demonstrated ability to learn new and complex topics quickly
- Resourceful problem-solver who collaboratively identifies effective paths forward with demonstrated expertise in executing productization efforts
Nice to Have
- Experience with machine learning based decoder algorithms
- Experience collaborating with hardware engineers to develop decoder technology
- Familiarity with neutral atom-based hardware, gatesets, noise models etc.
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