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Added 21 days ago
VT
Senior AI Engineer
Vision Talent Co.
Toronto, ON
- $110,000 to $130,000 CAD / year
- Full-time
Strong programming skills in Python and experience with modern software engineering practices.
Added 1 month ago
E
Technical Lead / Senior Developer - Software Development
EY
Saskatoon, SK
- Full-time
Added 21 days ago
S
Database Developer
Synechron
Montreal, QC
- $80,000 to $90,000 CAD / year
- Full-time
We are seeking a skilled Database Developer to support engineering and platform development across a large and evolving database estate. This role will focus on traditional enterprise…
Added 21 days ago
V
AI/ML Engineer
Vanguard
Toronto, ON
- Full-time
Strong proficiency in Python and modern software engineering practices.
Added 21 days ago
T
Senior Engineer, Network Security
TD
Toronto, ON
- Full-time
Desire to pursue network automation and support infrastructure as code (IaC) efforts utilizing Ansible, Terraform, Python
Added 21 days ago
C
Consultant, IT Quality Assurance
CIBC
Toronto, ON
- Full-time
…queries, and have software development experience in Java, C#, Python, VBScript,…
Added 21 days ago
AS
FP&A Manager
Aurora Solar
Remote, Canada
- $95,200 to $141,700 CAD / year
- Full-time
- Remote
Experience with data systems and / or Python, SQL, JavaScript
Added 21 days ago
Computer Vision Engineering
Geotab
Oakville, ON
Added 21 days ago
CA
Research Scientist
Chelsea Avondale
Canada
- Full-time
Leverage libraries and packages in Python to write scientific code that is modular, fast and easy.
Added 21 days ago
IS
Python Developer
Iris Software Inc.
Toronto, ON
- Contract
Iris's client, the largest bank in the Canada is looking to hire Senior Python Developer
Added 21 days ago
Data Developer (Business Intelligence) - Hybrid Working Model ( 3 days per week in Blainville, QC)
SPI Santé Sécurité / SPI Health and Safety
Blainville, QC
Minimum of 3 years of experience as Data Developer with Azure Cloud technologies, Apache Spark, and Python;
Added 21 days ago
OI
Senior Full Stack Developer
OXARO Inc.
Ottawa, ON
- Full-time
We are seeking a Senior Full Stack Developer to join a collaborative Agile team and lead the development of modern, scalable applications that deliver real business value. This role…
Added 21 days ago
Student Researcher, PhD, Winter-Summer 2027
Google
Montreal, QC
Experience with one or more general purpose programming languages (e.g., Python, Java, JavaScript, C/C++, etc.).
Added 21 days ago
Student Researcher, BS/MS, Winter-Summer 2027
Google
Toronto, ON · Waterloo, ON
Experience with one or more general purpose programming languages (e.g., Python, Java, JavaScript, C/C++, etc.).
Added 21 days ago
Security Consultant Intern, BS/MS, Summer 2027
Google
Toronto, ON
Experience with programming or scripting in one or more languages (e.g., Python, C/C++, Go, Bash, or SQL).
Added 21 days ago
Student Researcher, BS/MS, Winter-Summer 2027
Google
Montreal, QC
Experience with one or more general purpose programming languages (e.g., Python, Java, JavaScript, C/C++, etc.).
Added 21 days ago
Student Researcher, PhD, Winter-Summer 2027
Google
Toronto, ON · Waterloo, ON
Experience with one or more general purpose programming languages (e.g., Python, Java, JavaScript, C/C++, etc.).
Added 21 days ago
X
Process Integration Engineer - SNSPD Nanofabrication
Xanadu
Quebec, QC
- Full-time
Added 21 days ago
X
Senior Scientist - SNSPDs
Xanadu
Toronto, ON
- Full-time
Added 21 days ago
X
Photonics Engineer System Integration
Xanadu
Toronto, ON
- Full-time
…phase and polarization actuation experiments. Program custom Python scripts to automate lab testing, streamline data gathering, and process complex datasets…
Added 21 days ago
X
Quantum Scientist - Finance
Xanadu
Toronto, ON
- Full-time
Strong software development and scientific programming skills in Python, preferably with a proven track record of contributing to open-source scientific libraries.
Added 21 days ago
X
Quantum Scientist - Algorithms
Xanadu
Toronto, ON
- Full-time
Strong software development and scientific programming skills in Python, preferably with a proven track record of contributing to open-source scientific libraries.
Added 21 days ago
X
Layout and Design Engineer - SNSPDs (Superconducting Nanowire Single Photon Detectors)
Xanadu
Toronto, ON
- Full-time
Experience using Python for component design, simulation, layout, and data analysis
Added 21 days ago
B
Spécialiste, fiabilité des aéronefs et maintenance prédictive
Bombardier
Dorval, QC
- Full-time
L’analytique, le développement Python et les technologies d’IA constituent des outils importants dans ce rôle. Toutefois, l’accent principal est mis sur la compréhension des systèmes…
Added 21 days ago
B
Specialist, Aircraft Reliability & Predictive Maintenance
Bombardier
Dorval, QC
- Full-time
Analytics, Python development, and AI technologies are important tools in this role, but the primary focus is understanding aircraft systems, reliability drivers, failure mechanisms, and…

Xanadu

Quantum Scientist - Algorithms

Toronto, ON, Canada

The base salary range is 100,000 - 140,000 CAD for intermediate and 150,000 - 180,000 CAD for senior. · Full-time

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Job details

Pay: The base salary range is 100,000 - 140,000 CAD for intermediate and 150,000 - 180,000 CAD for senior.
Job type: Full-time
Apply by: Oct 14, 2026
Posting language: English
Posted: Sep 14, 2026

Original job description

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. And that is something to be excited about!

Your Role And Responsibilities

As a quantum scientist, you will join a technical team of researchers dedicated to unlocking the real-world impact of fault-tolerant quantum computers. You will contribute to discovering cutting-edge quantum algorithms, rigorously optimizing their performance, and identifying valuable applications across a variety of industries. Your focus will be quantum simulation: designing and optimizing quantum algorithms that compute properties and dynamics of molecules and materials, and identifying where those algorithms deliver value that classical methods cannot.

This is an algorithms-first role. Deep expertise in quantum algorithms is the core requirement; working knowledge of quantum chemistry or materials science is what lets you apply those algorithms to problems that matter. At Xanadu, this research is conducted alongside industry, government, and academic partners, requiring close collaboration with software, hardware, and business development teams across the company.

In more detail, you will focus deeply on two or more of the following areas:

Design and pioneer quantum algorithms for simulating molecules and materials on fault-tolerant quantum computers.
Radically improve algorithm efficiency by reducing qubit counts, non-Clifford gate complexity, and overall resource requirements for simulation workloads.
Develop the core subroutines that quantum simulation depends on: block encodings, qubitization, quantum phase estimation, initial-state preparation, and Hamiltonian factorizations.
Identify high-value applications targeted at chemistry and materials science, particularly in the semiconductor industry.
Demonstrate the feasibility and scalability of new algorithms and applications through rigorous, constant-factor resource estimation.
Collaborate directly with industry leaders to deliver solutions for real-world chemistry and materials problems.
Work alongside compilation and quantum error correction (QEC) experts to compile simulation algorithms to fault-tolerant architectures.
Collaborate with PennyLane software developers to create state-of-the-art tools for quantum simulation research.

Regardless of your specific focus areas, you will consistently:

Author high-quality scientific papers, technical reports, and comprehensive documentation.
Generate valuable intellectual property and actively support the filing of related patents.
Present your research findings to strategic partners and at premier conferences and events.

Basic Qualifications And Experience

PhD in Physics, Computer Science, Chemistry, Mathematics, Engineering, or a related quantitative discipline - or equivalent practical experience.
Strong track record of research accomplishments in quantum algorithms, evidenced by publications, patents, or technical work.
Deep knowledge of fundamental concepts in quantum algorithms, such as Hamiltonian simulation, Trotter product formulas, quantum signal processing, linear combination of unitaries, amplitude amplification, quantum phase estimation, and quantum read-only memories.
Working knowledge of electronic structure for chemistry or materials: second quantization, basis sets and orbitals, fermion-to-qubit mappings, and the standard classical methods used as baselines.
Ability to reason quantitatively about the cost of a quantum simulation algorithm - not only asymptotic scaling, but where the leading constants actually come from.
Capacity to thrive in an interdisciplinary team environment and drive independent research when required.
Excellent communication skills, with a proven ability to convey complex technical ideas to specialist and non-specialist audiences.
Strong self-management skills to balance individual project priorities, deadlines, and deliverables in a fast-paced environment.

Preferred Qualifications And Experience

Experience performing constant-factor resource estimation for fault-tolerant quantum algorithms.
Hands-on experience with classical electronic-structure or quantum-chemistry codes such as PySCF, VASP, Quantum ESPRESSO, or DMRG and QMC packages.
Experience with periodic and condensed-matter systems: k-point sampling, pseudopotentials, strongly correlated models, and first-quantized simulation approaches.
Knowledge of EUV lithography or related semiconductor process physics and materials - source and plasma physics, photoresist chemistry, optics and mask materials.
Experience collaborating with industry or government partners on application benchmarking.
Strong software development and scientific programming skills in Python, preferably with a proven track record of contributing to open-source scientific libraries.
Solid understanding of quantum error correction and fault-tolerant architectures.
Knowledge of quantum compilation techniques.

This is for an new position. Your base salary will be determined based on your location, experience, and internal benchmarks. The base salary range is 100,000 - 140,000 CAD for intermediate and 150,000 - 180,000 CAD for senior. You will also be eligible for equity and benefits.

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

We are an equal opportunity employer and encourage candidates of all backgrounds to apply. 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 Recruiting at recruiting@xanadu.ai.

Please be advised that we may use artificial intelligence (AI) tools to assist in the screening and assessment of applicants for this position. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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More about this job

Responsibilities

The role focuses on designing and optimizing quantum algorithms for simulating molecules and materials on fault-tolerant quantum computers. Responsibilities include improving algorithm efficiency, developing core subroutines, and collaborating with industry partners to solve real-world chemistry problems.

Requirements

Candidates must hold a PhD in a quantitative discipline and possess a strong research track record in quantum algorithms and Hamiltonian simulation. Working knowledge of electronic structure for chemistry or materials and proficiency in Python are required.

Skills

Quantum Algorithms
Quantum Simulation
Fault-Tolerant Quantum Computing
Quantum Chemistry
Materials Science
Resource Estimation
Python
Hamiltonian Simulation
Quantum Phase Estimation
Electronic Structure
Quantum Error Correction
Scientific Programming
Quantum Compilation
Linear Combination of Unitaries
Amplitude Amplification
Qubitization

Benefits

Equity
Benefits

Visa sponsorship

Not detected in the job text

Keywords

Quantum Algorithms
Quantum Simulation
Fault-Tolerant
Quantum Chemistry
Materials Science
Hamiltonian Simulation
Trotter Product Formulas
Quantum Signal Processing
Linear Combination of Unitaries
Amplitude Amplification
Quantum Phase Estimation
Quantum Read-Only Memories
Second Quantization
Fermion-to-Qubit Mappings
PySCF
VASP
Quantum ESPRESSO
DMRG
QMC
K-point Sampling
Pseudopotentials
EUV Lithography
Python
Quantum Error Correction
Quantum Compilation
PennyLane
Block Encodings
Qubitization
Semiconductors
Resource Estimation

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