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Quantum Applications Software Developer

PsiQuantum

$58,000 - $160,000
Dec 15, 2025
Palo Alto, CA, US • Remote, US
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PsiQuantum is looking to solve the problem of building the first useful quantum computers, machines capable of delivering breakthroughs in energy, pharmaceuticals, finance, agriculture, transportation, materials, and other foundational industries.

Requirements

  • Practical experience in quantum computing, programming quantum applications, or quantum circuit compilation.
  • 5+ years professional experience programming and releasing production code in Python, C++, or similar languages.
  • Experience with quantum algorithms or compiling in the regime of fault tolerant gates preferred.
  • Experience with deployment of code in distributed environments, cloud application development, and RESTful API-driven architectures.
  • Experience with quantum simulators, quantum resource estimators, quantum circuit compilation, and domain-specific quantum application integration.

Responsibilities

  • Lead the design, development, and deployment of quantum applications software tools to support both internal and external users.
  • Maintain, service and upgrade a high-quality codebase supported by a fast and reliable simulation infrastructure.
  • Work closely with internal and external partners and other members of the quantum applications team to design, implement and analyze quantum algorithms for real-world use cases.
  • Assist with full system analysis to evaluate and optimize resource requirements for fault tolerant computations.
  • Assist with the optimization of quantum algorithms at the subroutine, circuit, and compiled gate-set level.

Other

  • Graduate degree in Physics, Math, or Computer Science or equivalent required (MSc or PhD).
  • A results-driven “doer”, preferably with experience in a high-throughput, rapid-delivery work environment.
  • A problem solver, with an analytical mindset.
  • Proven team player with an ability to work effectively across departments, sites, and time zones.
  • Ability to work independently and contribute in fast-moving start-up environment.