Startups · AI

Staff AI Product Engineer, FW/SW

psiquantum · Milpitas, California, United States · On-site

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About psiquantum

PsiQuantum is on a mission to build the first commercially useful quantum computer to solve humanity. Backed by Founders Fund and Redpoint.

About the role

This is a senior individual contributor role operating at the intersection of silicon photonics, embedded systems, electronics, controls, and system software . The engineer will be responsible for translating photonic device and system requirements into robust control algorithms, firmware, APIs, diagnostics, and system-level software. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • BS or MS in Electrical Engineering, Computer Engineering, Computer Science, Controls Engineering, Physics , or a related technical discipline
  • Significant professional experience developing firmware and software for complex embedded systems
  • Strong programming experience in C/C++ for embedded systems
  • Experience with Python or similar languages for automation, system test, data analysis, and hardware control
  • Strong understanding of embedded processors, microcontrollers, memory architectures, interrupts, timing, concurrency, and hardware interfaces
  • Experience with RTOS and/or embedded Linux environments
More about this role

PsiQuantum's mission is to build the first useful quantum computers: machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems.

Quantum computers harness the laws of quantum mechanics to solve problems that even the most advanced supercomputers or AI systems will never reach. Their impact will span energy, pharmaceuticals, finance, agriculture, transportation, materials, and other foundational industries.

Our architecture and approach is based on silicon photonics. By leveraging the advanced semiconductor manufacturing industry, including partners like GlobalFoundries, we use the same high-volume processes that already produce billions of chips for telecom and consumer electronics. Photonics offers natural advantages for scale: photons don't feel heat, are immune to electromagnetic interference, and integrate with existing cryogenic cooling and standard fiber-optic infrastructure.

That approach has since been tested at the highest level of scrutiny the U.S. government applies to emerging technology, and it has held up. In 2025, PsiQuantum...

Read the full posting on psiquantum's site ↗

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