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Infleqtion · 1 month ago

Quantum Software Engineer

Chicago, IL

Full-time

Hybrid

Entry, Mid, Senior Level

$120K/yr - $150K/yr

Infleqtion is seeking a Quantum Software Engineer to join their Compiler Team within the Quantum Software organization. This role involves designing, building, and maintaining quantum compilation software while collaborating with experimental physicists and software engineers to bridge theoretical concepts with practical implementation.

ElectronicsManufacturingMechanical DesignMechanical EngineeringQuantum Computing

Responsibilities

Conduct R&D toward cutting-edge advances in quantum technology with a focus on quantum compilation, similar to work described in https://arxiv.org/abs/2309.05157 and https://arxiv.org/abs/2509.13247

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

Qualification

Quantum computationPythonOpen-source quantum frameworksC/C++JuliaCloud developmentProfessional software engineeringCommunication skillsCollaborative environmentProblem-solvingLearning ability

Required

Bachelor's degree in computer science, engineering, physics or a directly related field

High proficiency in programming, with fluency in Python preferable. Proficiency in alternative languages (e.g. C/C++ or Julia) with the ability to rapidly upskill in Python

Experience with open-source quantum software frameworks such as Cirq or Qiskit; Ideal candidates will have experience not only using these libraries but also modifying them

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

Ability to be in the office any three days per week

Ability to travel domestically and (potentially) internationally up to 10%

Preferred

PhD in quantum computation, physics, computer science, or a directly related field

Familiarity with concepts in quantum computing such as error correction / fault tolerance, native gate decomposition, qubit mapping and routing, and variational quantum algorithms

Experience with advanced open-source quantum software frameworks such as Stim

Familiarity with best practices of professional software engineering such as coverage, integration tests, type checking, unit tests, and version control

Experience with backend development with tools such as FastAPI for web frameworks and PostgreSQL/SQLAlchemy for databases

Experience with cloud development, especially on GCP and AWS

Familiarity with CI/CD, automated actions, issue tracking, version control, and other features on GitHub

Familiarity with security core best-practices such as access control, encryption at rest, key rotation, and logging

Exposure to or interest in front-end / GUI development, e.g., HTML/CSS, React, PyQt