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Senior Software Engineer

Infleqtion

$106,000 - $141,000
Nov 14, 2025
Louisville, CO, US
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Infleqtion is looking to commercialize atom-based quantum technologies and needs a Senior Software Engineer to lead the development and productization of software systems that interface with quantum and embedded hardware.

Requirements

  • Expert-level proficiency in Python and JavaScript/TypeScript.
  • Strong experience with React and Next.js frontend frameworks.
  • Experience with FastAPI or similar modern Python web frameworks.
  • Familiarity with embedded software concepts (device drivers, low-level APIs, hardware communication protocols).
  • Deep understanding of modern development workflows (Git, Jira, CI/CD pipelines, automated testing).
  • Experience with Rust (especially in middleware or systems contexts).
  • Familiarity with Docker, Kubernetes, or other containerized deployment systems.

Responsibilities

  • Lead development of the frontend application built with React/Next.js, ensuring high performance, maintainability, and scalability.
  • Own the backend REST API written in Python (FastAPI), ensuring robust integration with hardware control and middleware layers.
  • Contribute to integration with Rust-based middleware and/or driver software used for device control.
  • Collaborate with embedded systems engineers to ensure seamless interaction between software and hardware components.
  • Participate in architecture discussions and contribute to technical design documentation.
  • Support the transition of projects from prototype to production-ready systems.
  • Oversee and enforce software engineering best practices, including code reviews, testing standards, documentation, and CI/CD processes.

Other

  • Leadership & Coordination of global software development efforts for quantum sensing products
  • Serve as technical lead for the software engineering team, guiding day-to-day operations and development priorities.
  • Collaborate with project managers and technical leads to plan and execute development milestones.
  • Lead daily stand-up meetings, manage the Jira board, and ensure timely completion of sprint goals.
  • Act as the liaison between the software engineering team and the broader multidisciplinary project team.