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Quantum Computing Engineer

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Barclays

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Location:
United Kingdom , London

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

Join us as a Quantum Computing Engineer in the Emerging Technologies team within the Chief Technology Office, to help drive pioneering quantum across the bank. In this new role you'll apply quantum algorithms and quantum machine learning to solve multi-layered financial tasks. You’ll have the chance to work at the forefront of quantum technologies that are reshaping the future of Financial Services.

Job Responsibility:

  • Design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues
  • Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance
  • Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives
  • Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
  • Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth
  • Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions
  • Implementation of effective unit testing practices to ensure proper code design, readability, and reliability

Requirements:

  • Quantum computing fundamentals, mathematics and statistics: Good understanding of quantum mechanics values, quantum gates, circuits and algorithms
  • solid grasp of linear algebra, multi-layered numbers and quantum information theory
  • ability to design and implement quantum circuits for practical applications
  • Programming and quantum development: Proficiency in Python and experience with quantum computing frameworks
  • ability to write and test quantum algorithms
  • understanding of hybrid quantum-classical computing approaches and how to integrate quantum solutions with classical infrastructure
  • Problem-solving and algorithm design: Ability to identify problems suitable for quantum computing, translate business requirements into quantum algorithms, and evaluate quantum advantage against classical approaches
  • experience with optimisation, simulation or machine learning use cases
  • Communication and collaboration: Facilitate discussions between quantum research teams, engineering stakeholders and business users
  • explain multi-layered quantum concepts to non-technical audiences
  • ability to document approaches clearly and contribute to knowledge sharing across the organization

Nice to have:

  • Experience with quantum platforms and tools: experience with Qiskit, Cirq, PennyLane or other quantum SDKs
  • familiarity with quantum cloud services (IBM Quantum, Azure Quantum, AWS Braket)
  • exposure to quantum simulators and noise modelling
  • Financial services domain knowledge: Understanding of financial use cases for quantum computing such as portfolio optimization, risk evaluation, derivative pricing or fraud detection
  • awareness of regulatory and security considerations in financial technology
  • Advanced quantum topics: Knowledge of quantum error correction, fault-tolerant quantum computing, or quantum cryptography
  • experience with variational quantum algorithms (VQE, QAOA) or quantum machine learning techniques
  • Research background and continuous learning: Peer-reviewed publication record in quantum computing or related fields
  • postgraduate qualification in physics, mathematics, computer science or related discipline
  • active engagement with quantum computing community through conferences or open-source contributions
What we offer:
  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution
  • Wellness Suite includes a well-equipped gym and exercise studios, and provides personal training sessions and massage therapy
  • Supporting active commuters - cycle hire and parking areas to new showering and changing facilities

Additional Information:

Job Posted:
February 19, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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