Quantum Software Engineer — Build Quantum Apps, Equity & PTO

ExploreQuantum; United Kingdom; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Incentive Stock Options

Pension plan (10%)

Healthcare (BUPA)

Cycle to work

Unlimited PTO

Job summary

Infleqtion seeks a Quantum Software Engineer to design, implement, and optimize quantum algorithms across domains like simulation, optimization, and sensing-enhanced workflows. You will work with hardware, control, and research teams to translate theory into scalable, executable workloads using modern SDKs and toolchains.

You will join a highly collaborative, fast-paced environment, contributing to both near-term and fault-tolerant quantum efforts while delivering high-impact software solutions

Qualifications

• Masters's degree in quantum applications, mathematics, engineering, physics or a directly related field. Must
• High proficiency in programming, with fluency in Python preferable.
• Experience with open-source quantum software frameworks such as Cirq or Qiskit;
• 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
• Passion for solving complex problems and challenges in a highly technical and scientific environment

Responsibilities

• Conduct R&D toward cutting-edge advances in quantum technology with a focus on quantum applications and algorithms
• Deploy software optimizations to our cloud platform Superstaq using industry-grade software engineering procedures including documentation, linting, testing, and type-checking
• Interface with customers of Superstaq to understand their needs and support them in a timely fashion
• Contribute to development of government and commercial proposals and execution on global programs
• Collaborate with experimental physicists and software engineers to bridge the gap between theoretical concepts and practical implementation
• Engage with the broader scientific community by publishing research findings in scientific journals and presenting at conferences
• Stay up to date with the latest developments in quantum computer architecture, quantum compilation and related fields
• Provide guidance and support to other team members, fostering a collaborative research environment

Skills

Python programming

Communication skills

Cross-functional collaboration

Education

Master's degree in quantum applications/related field

Tools

Cirq

Qiskit

FastAPI

PostgreSQL/SQLAlchemy

Job description

Infleqtion seeks a Quantum Software Engineer to design, implement, and optimize quantum algorithms across domains like simulation, optimization, and sensing-enhanced workflows. You will work with hardware, control, and research teams to translate theory into scalable, executable workloads using modern SDKs and toolchains.

You will join a highly collaborative, fast-paced environment, contributing to both near-term and fault-tolerant quantum efforts while delivering high-impact software solutions