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Senior Quantum Software Engineer, (Back-end)

Q-CTRL

$135,000 - $213,000
Dec 16, 2025
Los Angeles, CA, US
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Q-CTRL is looking to solve the hardest problems facing quantum technology by improving hardware performance and accelerating pathways to useful quantum computers and other technologies.

Requirements

  • 5+ years of backend engineering experience with Python, Rust, C++, or similar.
  • A track record of collaborating across research and engineering to solve hard technical challenges.
  • Strong problem-solving skills and a proactive, ownership-driven mindset.
  • Hands-on experience with modern APIs (gRPC, GraphQL, REST).
  • Exposure to cloud platforms (AWS, GCP, Azure) and infrastructure management.
  • Knowledge of database optimization, distributed systems, or microservices.
  • Familiarity with Python web frameworks like Django, Flask, or FastAPI.

Responsibilities

  • Build impactful systems: Design, develop, and optimize scalable backend applications in Python that power real-world quantum technology.
  • Engineer for performance: Create high-efficiency service-to-service communication using modern protocols.
  • Bridge science and engineering: Work hand-in-hand with researchers to translate cutting-edge research code into production-ready solutions, while sharing engineering best practices.
  • Deliver end-to-end solutions: Partner with product, frontend, and infrastructure teams to ship integrated features used across Q-CTRL’s products.
  • Champion quality: Implement and enforce best practices for code quality, security, and operational excellence.
  • Solve tough problems: Troubleshoot, optimize, and enhance system performance and reliability at scale.
  • Shape reusable architectures: Develop product features that promote flexibility, reuse, and scalability across multiple business cases.

Other

  • Excellent communication and teamwork skills across agile, cross-functional groups.
  • Ability to work in a flexible and dynamic environment.
  • Strong desire to learn and transfer knowledge.
  • Personal development and wellness budget.
  • Paid parental leave to support you and your loved ones.