Senior Software QA Engineer

Quantum computing holds the promise of humanity’s mastery over the natural world, but only if we can build a real quantum computer. PsiQuantum is on a mission to build the first real, useful quantum computers, capable of delivering the world-changing applications that the technology has long promised. We know that means we will need to build a system with roughly 1 million qubits that supports fault tolerant error correction within a scalable architecture, and a data center footprint.

By harnessing the laws of quantum physics, quantum computers can provide exponential performance increases over today’s most powerful supercomputers, offering the potential for extraordinary advances across a broad range of industries including climate, energy, healthcare, pharmaceuticals, finance, agriculture, transportation, materials design, and many more.

PsiQuantum has determined the fastest path to delivering a useful quantum computer, years earlier than the rest of the industry. Our architecture is based on silicon photonics which gives us the ability to produce our components at Tier-1 semiconductor fabs such as GlobalFoundries where we leverage high-volume semiconductor manufacturing processes, the same processes that are already producing billions of chips for telecom and consumer electronics applications. We also benefit from the quantum mechanics reality that photons don’t feel heat or electromagnetic interference, allowing us to take advantage of existing cryogenic cooling systems and industry standard fiber connectivity.

In 2024, PsiQuantum announced two government-funded projects to support the build-out of our first Quantum Data Centers and utility-scale quantum computers in Brisbane, Australia and Chicago, Illinois. Both projects are backed by nations that understand quantum computing’s potential impact and the need to scale this technology to unlock that potential. And we won’t just be building the hardware, but also the fault tolerant quantum applications that will provide industry-transforming results.

Quantum computing is not just an evolution of the decades-old advancement in compute power. It provides the key to mastering our future, not merely discovering it. The potential is enormous, and we have the plan to make it real. Come join us.

There’s much more work to be done and we are looking for exceptional talent to join us on this extraordinary journey!

Team Overview

PsiQuantum’s Quantum Applications Software Team is dedicated to creating a software environment where quantum application developers can discover, build, utilize, optimize, and visualize large-scale quantum algorithms for classically intractable problems. As we continue to scale, we’re building out a QA function that bridges classical software QA best practices with cutting-edge quantum software development.

Role Summary

We are seeking an experienced Senior Software Quality Assurance (QA) Engineer with a robust background in full-stack enterprise QA, automation frameworks, CI/CD, and QA strategy definition. This role will establish QA processes, conduct QA activities, define quality metrics, and mentor team members—including those with deep quantum domain knowledge but limited QA specialization—ultimately laying the foundation for a dedicated quantum QA group.

This role bridges classical QA expertise with cutting-edge quantum development, creating a new paradigm for testing hybrid software systems. You’ll pioneer QA practices for quantum applications while upskilling domain experts, shaping the future of quantum software reliability.

This is a hands-on technical leadership role; you’ll split time between coding/testing frameworks (e.g., Selenium, Xray) and mentoring developers. You’ll personally build foundational test infrastructure while scaling the team’s QA capabilities.

• Lead the testing efforts and design and implementation of QA processes and best practices that align classical enterprise-level rigor with the unique challenges of emerging quantum software.
• Train and mentor developers and engineers from a quantum background in QA methodologies, helping them adopt industry-leading testing strategies.
• Drive both the tactical (hands-on test framework development) and strategic (quality metrics, team building, process definition) aspects of QA in a rapidly evolving, R&D-focused environment.

Responsibilities:

1. Test Automation and Integration Frameworks
   1. Hands-On Framework Development: Design and implement test automation suites (using tools like Pytest, Selenium, Robot, etc.) to achieve reliability, maintainability, and reproducibility across software interfaces.
   2. Test Development: Write and maintain automated