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(Scientific) Software Engineer (Quantum Control Systems)



Software Engineering
Oxford, UK
Posted on Monday, November 20, 2023
Infleqtion delivers high-value quantum information precisely where it is needed. By operating at the Edge, our software-configured, quantum-enabled products deliver unmatched levels of precision and power, generating streams of high-value information for commercial organizations, the United States, and allied governments. With 16 years of ColdQuanta's pioneering quantum research as our foundation, our hardware products and AI-powered solutions address critical market needs in PNT, global communication security and efficiency, resilient energy distribution, and accelerated quantum computing. We currently have offices in Austin, TX; Boulder, CO; Chicago, IL; Louisville, CO; Madison, WI; Melbourne, AU; and Oxford, UK. Learn how Infleqtion is revolutionizing how we communicate, navigate, and discover at


This position is a full-time position and is based in our Oxford, England office.

Position Summary

Infleqtion UK is seeking a dedicated Software Engineer to collaborate with a multidisciplinary team in the pursuit of advancing quantum technologies beyond the confines of the laboratory and into practical, real-world applications. As a member of our team, you will leverage your expertise to design and implement software solutions for user interfaces and automated protocols, enabling seamless interaction with Infleqtion's cutting-edge quantum products. This role necessitates a robust skill set and a proven track record of working within a dynamic team of engineers and scientists, thriving in a fast-paced environment. Your analytical and problem-solving acumen will be pivotal in shaping, implementing, and operating atom-based quantum technologies, including inertial navigation systems, radiofrequency sensors, and atomic clocks. This position is primarily based on-site in Oxfordshire, UK.

Primary Responsibilities

  • Develop intuitive Graphical User Interfaces (GUIs) for user interactions with sophisticated scientific instruments and hardware
  • Implement communication protocols to interface with a wide array of remote peripherals, including RS232, GPIB, USB, Ethernet, and more
  • Create high-level system protocols for the safe control and monitoring of scientific instruments
  • Provide comprehensive support to users through regular training, documentation, testing, troubleshooting, and bug fixing
  • Implement robust logging and continuous monitoring of instrument status
  • Contribute to defining the software roadmap and explore technologies for future product development
  • Uphold a professional software codebase and oversee product lifecycle management within a Git-based software development platform
  • Manage technical priorities, deadlines, and deliverables.


  • Substantial experience in software development within a commercial or research setting
  • Proven expertise in developing GUI software applications for scientific instruments using languages such as Python, C#, or other high-level programming languages
  • Proficiency in developing software interfaces for hardware peripherals and systems
  • Demonstrated experience collaborating with scientists and engineers to implement tailored user interfaces
  • Ability to excel in a fast-paced environment with loosely defined requirements
  • Proficiency in software development using version control workflows, especially Git
  • Proficiency in implementing communication protocols with hardware using information from manuals and embedded system source code
  • Ability to develop applications on both Windows and Linux platforms


  • Experience in developing user interfaces with PyQt
  • Familiarity with instrument interfacing using VISA, SCIPY, COM, MQ etc
  • Experience in building software from the ground up
  • Ability to develop solutions in Linux and Windows.
  • Proficiency in Linux device driver implementation.


In addition to your base compensation, we offer a generous Total Rewards program which includes:  

  • Competitive salary
  • Unlimited PTO
  • Generous company pension contribution
  • Cycle to work and Technology schemes
  • Incentive Stock Option Plan