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Infleqtion

Quantum Software Engineer – Algorithms & Applications

Infleqtion

. Conduct R&D focused on quantum applications and algorithms .

Posted 11/12/2026full-timeKidlington • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Expertise in quantum applications and algorithms, with a strong foundation in programming, particularly in Python. Proven ability to collaborate in cross-functional teams, optimize quantum algorithms, and communicate complex concepts effectively.

Highest-signal resume keywords
Quantum Algorithm DesignPython ProgrammingCirq/Qiskit FrameworksCloud Development (GCP/AWS)Quantum Error Correction

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Quantum ApplicationsQuantum AlgorithmsSimulation OptimizationHybrid Quantum-Classical ComputationSoftware OptimizationBackend Development (FastAPI/PostgreSQL/SQLAlchemy)CI/CD PracticesVersion Control (GitHub)Type CheckingUnit Testing
Soft Skills
Problem-SolvingCommunication SkillsCollaborationAdaptabilityPresentation Skills
Tools & Technologies
Superstaq Cloud PlatformGitHub ActionsHTML/CSSReactPyQt
Industry Keywords
Quantum ComputingQuantum CompilationMaterials Science ApplicationsScientific ResearchGovernment Proposals

Tech Stack

Tools & technologies
AWSCloudGoogle Cloud PlatformPostgresPythonReact

About the role

Key responsibilities & impact
  • Conduct R&D focused on quantum applications and algorithms
  • Design, implement, and optimize quantum algorithms for simulation, optimization, sensing-enhanced workflows, and hybrid quantum-classical computation
  • Deploy software optimizations to the Superstaq cloud platform using documentation, linting, testing, and type-checking
  • Interface with Superstaq customers to understand their needs and provide timely support
  • Contribute to government and commercial proposals and execute global programs
  • Collaborate with experimental physicists and software engineers to translate theoretical concepts into practical implementations
  • Publish research findings in scientific journals and present at conferences
  • Stay current with quantum computer architecture, quantum compilation, and related fields
  • Provide guidance and support to team members and foster a collaborative research environment

Requirements

What you’ll need
  • Master’s degree in quantum applications, mathematics, engineering, physics or a directly related field
  • 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 verbal, written, and presentation skills
  • Ability to work comfortably in a highly collaborative, cross-functional, team-oriented, and matrixed environment
  • Ability to thrive and produce results in a fluid, dynamic, and fast-paced environment
  • Ability to learn new and complex topics quickly
  • Resourceful problem-solving and demonstrated expertise in executing productization efforts
  • Passion for solving complex problems in a highly technical and scientific environment
  • Desirable: PhD in quantum computation, physics, computer science, or a directly related field
  • Desirable: Familiarity with quantum error correction/fault tolerance, native gate decomposition, qubit mapping and routing, and variational quantum algorithms
  • Desirable: Experience with materials science applications of quantum computers
  • Desirable: Familiarity with professional software engineering practices including coverage, integration tests, type checking, unit tests, and version control
  • Desirable: Experience with backend development using FastAPI, PostgreSQL, or SQLAlchemy
  • Desirable: Experience with cloud development, especially GCP and AWS
  • Desirable: Familiarity with CI/CD, GitHub Actions, issue tracking, version control, and related GitHub features
  • Desirable: Familiarity with security best practices including access control, encryption at rest, key rotation, and logging
  • Desirable: Exposure to or interest in front-end/GUI development using HTML/CSS, React, or PyQt

Benefits

Comp & perks
  • Competitive salary
  • Incentive Stock Option Plan
  • Generous company 10% pension contribution regardless of employee contribution
  • Unlimited PTO
  • BUPA healthcare after probation period
  • Cycle to work and Technology scheme
  • Flexible working policy enabling full-time employees to work up to 2 days a week from home as work permits