R&D Engineer



201-500 employees

Building photonics-based, large-scale quantum computers

AI & Machine Learning

$143,000 - $175,500



Palo Alto, CA, USA

Required Skills
Data Structures & Algorithms
  • PhD in Physics, Electrical Engineering or related fields
  • 4+ years of hands-on experimental research experience with superconducting devices, cryogenic materials & devices or detectors
  • Experience with cryogenic, low-noise electro-optical experimental design and device characterization
  • Experience with the design of experiments for device performance validation and model-experiment closure
  • Experience with computer programming with Python
  • High-impact publications in independently peer-reviewed scientific journals
  • Single-photon detector experience is preferred
  • Experience with low noise electronic circuits is preferred
  • Solid fundamentals in superconducting device physics is a plus
  • Performing cryogenic electro-optical RF measurements of single-photon detectors & related superconducting devices
  • Development new characterization methods and set-ups
  • Data analysis and development new data analysis algorithms
  • Characterization of quantum-photonic-circuit-integrated superconducting single-photon detectors for use in quantum computing
  • Collaboration with the device and systems teams to develop device characterization plans and methods
  • Collaboration with the systems engineers to design and set up cryogenic experimental test equipment
  • Extensive and continuous survey and analysis of scientific literature on superconducting single-photon detectors
  • Learning and understanding the physics and experimental behavior of these detectors
  • Understanding device design constraints and contributing to new device designs & experiments
  • Contributing to the intellectual property of the company through single-photon-detection

PsiQuantum stands out as a leader in the quantum computing industry with its unique photonics-based approach, which allows for manufacturing in a conventional silicon chip foundry, a method that is both practical and scalable. The company's culture is a blend of quantum physicists, semiconductor, systems, and software engineers, and system architects, all dedicated to error correction and solving real-world problems. With a mission to build the world's first commercially useful quantum computer, PsiQuantum is poised to address significant challenges across various sectors, including climate tech, energy, pharma, defense, and financial services.

Company Stage

Series D

Total Funding



Palo Alto, California



Growth & Insights

6 month growth


1 year growth


2 year growth