Quantum Algorithms Researcher (Hybrid)

Toronto, ON, Canada
Full Time
Software and Algorithms
Mid Level

About Xanadu:

Xanadu’s mission is to build quantum computers that are useful and available to people everywhere.

At Xanadu, we are learners, innovators, researchers, collaborators, and problem solvers. We are creating something that has never been built before. What we are doing is extremely hard, the classic moon shot. Few people in their life will be able to be a part of something like this, where if we are successful, the technologies we develop will solve some of the world’s most challenging problems, and literally change the world. That is something to be excited about!

Your role & responsibilities:

As a quantum algorithms researcher, you will be a part of Xanadu’s software and algorithms group, working with our team of scientists and software developers. Your role will include developing new quantum algorithms, identifying applications, inventing key intellectual property, and publishing scientific papers. You will also work on problems of real-world impact with our industry partners and customers.

Your main focus will be to develop optimized quantum algorithms for challenging computational problems in quantum chemistry and materials science. The goal is to determine in great detail how quantum computing can have the largest technological impact, and to use these insights to guide Xanadu’s strategic roadmaps, customer relationships, and partnerships. 

Throughout your work, you will showcase a commitment to excellence, an ability to thrive in a fast-paced environment, a forward-thinking mentality, and a collaborative work ethic. You will also demonstrate leadership, technical curiosity, and creativity.

Required Qualifications & Experience:

  • PhD in Physics, Computer Science or Chemistry, or equivalent practical experience.
  • Strong track record of research accomplishments in quantum algorithms, demonstrated by your peer-reviewed publications.
  • Deep understanding of quantum computing concepts such as quantum phase estimation, Hamiltonian simulation, qubitization, product formulas, quantum singular value transformation, quantum compilation, and fault-tolerance.
  • Proficiency in  quantum chemistry concepts such as the Hartree-Fock method, fermion-to-qubit mappings, molecular Hamiltonians, density functional theory, coupled cluster, configuration interaction, and the density matrix renormalization group. 
  • Strong software development and scientific programming skills in Python, preferably with a proven track record of contributions to open-source scientific libraries.
  • Experience with scientific software libraries, preferably PennyLane, OpenFermion, and PySCF.
  • Ability to conduct research in an interdisciplinary team environment, as well as independently when required.
  • Ability to communicate technical concepts clearly and effectively.
  • Ability to manage individual project priorities, deadlines, and deliverables while working in a fast-paced environment.


Our values are important. They are fundamental and lay the foundation for culture at Xanadu. Learn more about our values here

At Xanadu, we are committed to building an inclusive, safe, and equitable culture and fostering an environment where our employees feel included, valued, and heard. We are committed to meeting the needs of all individuals and support a barrier-free workplace. Should you require accommodations at any point during the recruitment process please contact Human Resources at hr@xanadu.ai.


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