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Added 38 mins ago
CI
Satellite Engineering Student
Calian in Space & Technology
Montreal, QC
- Internship
Compétences en programmation (Python, Java, SQL, Perl, Matlab, C)
Added 1 hour ago
AI
Senior Quality Assurance Engineer
AI Interviews
Toronto, ON · Greater Toronto Area, Canada
- Contract
Experience with automation programming languages such as Java, Python, JavaScript, or similar.
Added 3 hours ago
OI
Senior Full-Stack Developer
Odaia Intelligence Inc.
Remote, Canada
- Full-time
- Remote
We're looking for a Senior Full-Stack Developer to join our engineering team! You'll work across the full stack to design, build, and ship features that directly impact how pharma…
Added 4 hours ago
R|
Programmer
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
…arm of the McGill University Health Centre (MUHC) affiliated with the Faculty of Medicine at McGill University. The RI-MUHC is supported in part by the Fonds de recherche du Québec - Santé…
Added 5 hours ago
O
FPGA AI Accelerator Engineer
O-HIVE.AI
Windsor, ON
- Full-time
This position involves working closely with AI researchers, software engineers, embedded systems developers, and ASIC designers to transition computationally intensive algorithms into…
Added 6 hours ago
ES
Lead AI Engineer
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Canada
- Full-time
…financial assistant platform. In this role, you will work closely with sophisticated global institutional clients and business users to rapidly test, refine, and deploy chat interfaces,…
Added 6 hours ago
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QA SDET – Spécialiste Automatisation & AI
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- Full-time
Collaborate with developers and architects to anticipate risks.
Added 8 hours ago
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Founding Engineer
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- Full-time
…Our content is central to how we educate brands, build trust with factories, and make the manufacturing world more…
Added 9 hours ago
X
Quantum Software Developer - Compilation
Xanadu
Toronto, ON
- Full-time
Experience with benchmarking and performance-oriented optimizations.
Added 9 hours ago
X
Quantum Software Developer - FTQC Software (Intermediate to Senior)
Xanadu
Toronto, ON
- Full-time
Proven experience in production-grade Python and C++ software development with a focus on writing clean, modular and maintainable code.
Added 9 hours ago
X
Quantum Software Developer - PennyLane Core
Xanadu
Toronto, ON
- Full-time
Proven experience in production-grade Python software development with focus on writing clean, modular and maintainable code.
Added 9 hours ago
X
Quantum Software Developer - Performance
Xanadu
Toronto, ON
- Full-time
Proficiency in high-performance Modern C++ (C++17/20 preferred) and Python.
Added 9 hours ago
X
System Software Developer - Performance
Xanadu
Toronto, ON
- Full-time
Proficiency in high-performance Modern C++ (C++17/20 preferred) and Python.
Added 9 hours ago
X
Software Developer - Frontend (Intermediate to Senior)
Xanadu
Toronto, ON
- Full-time
Competent with backend languages like Python.
Added 9 hours ago
X
Quantum Scientist - Compilation
Xanadu
Toronto, ON
- Full-time
…large-scale quantum algorithms on fault-tolerant quantum computers with millions of physical qubits. As a quantum compilation researcher, you will be part of Xanadu’s software and…
Added 9 hours ago
X
Software Developer - Backend (Intermediate to Senior)
Xanadu
Toronto, ON
- Full-time
As a Software Developer, you will help build out the pennylane.ai ecosystem of products. The goal of pennylane.ai is to help pioneer quantum software development as a discipline and spread…
Added 9 hours 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 9 hours 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 9 hours ago
X
Quantum Scientist - Software
Xanadu
Toronto, ON
- Full-time
Deep expertise in scientific software development is the core requirement, with proficiency in using frontier AI models, but the ideal candidate should also hold considerable research…
Added 9 hours ago
X
Cybersecurity Engineer
Xanadu
Toronto, ON
- Full-time
Triage and analyze alerts generated by our MDR provider, ensuring thorough follow-up with affected users until alert resolution
Added 9 hours ago
X
Software Developer - Backend (Intermediate to Senior)
Xanadu
Toronto, ON
- Full-time
Experience with scientific/numerical Python libraries (NumPy, SciPy, pandas, xarray).
Added 9 hours ago
X
Software Development Manager
Xanadu
Toronto, ON
- Full-time
Strong foundational knowledge equivalent to a senior individual contributor, including hands-on experience with Python and Git.
Added 9 hours ago
X
AI Specialist - Representation and Reinforcement Learning
Xanadu
Toronto, ON
- Full-time
At Xanadu, we primarily work with Python, Jupyter, Jax, GitHub, Docker, CI pipelines, and multiple cloud platforms. Proficiency in these technologies is essential.
Added 9 hours ago
X
AI Developer - Agentic System
Xanadu
Toronto, ON
- Full-time
As an AI Developer at Xanadu, you will play a crucial role in integrating generative AI into our R&D methodologies. This unique position allows you to contribute to the development of our…
Added 9 hours ago
X
AI Specialist - AI For Research
Xanadu
Toronto, ON
- Full-time
At Xanadu, we primarily work with GitHub, Python, AWS, Postgres, Docker, Terraform, and Claude. Proficiency in these technologies is essential.

Xanadu

Quantum Scientist - Software

Toronto, ON, Canada

The base salary range is 100,000 - 120,000 CAD. · Full-time

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Job details

Pay: The base salary range is 100,000 - 120,000 CAD.
Job type: Full-time
Posting language: English
Posted: Sep 30, 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. That is something to be excited about!

Your Role and Responsibilities

As a quantum scientist, you will join a technical team of researchers and developers 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 on developing the software tools that accelerate quantum algorithms research, and deploying them across multiple projects in the company.

Deep expertise in scientific software development is the core requirement, with proficiency in using frontier AI models, but the ideal candidate should also hold considerable research experience in quantum computing. At Xanadu, this work 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:

Develop novel quantum algorithms and the software tools that implement them, accelerating quantum algorithms research including resource estimation, Hamiltonian construction, and classical simulation.
Develop AI-driven tools for quantum application discovery and quantum algorithm optimization.
Apply software tools to ongoing research projects, alongside algorithms and applications scientists.
Maintain high-quality production code through automated test coverage and a dynamic code review process.
Contribute to productionizing this research software as part of the PennyLane ecosystem.
Collaborate directly with industry partners to deliver solutions for real-world problems.

Regardless of your specific focus areas, you will consistently:

Author high-quality code, scientific 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

MSc in Physics, Computer Science, Chemistry, Mathematics, Engineering, or a related quantitative discipline - or equivalent practical experience.
Strong track record of software development for research, evidenced by contributions to scientific libraries and/or open-source projects.
Strong expertise in the use of frontier AI models for scientific research.
Track record of research accomplishments in quantum algorithms, evidenced by publications, patents, or technical work.
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.
Demonstrated expertise in Python and related scientific libraries such as NumPy, SciPy, and JAX.
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 collaborating with industry or government partners on application benchmarking.
Solid understanding of quantum error correction and fault-tolerant architectures.
Knowledge of quantum compilation techniques.

This is for a new position. Your base salary will be determined based on your location, experience, and internal benchmarks. The base salary range is 100,000 - 120,000 CAD. 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

You will develop novel quantum algorithms and software tools to accelerate research and deploy them across various company projects. Additionally, you will collaborate with interdisciplinary teams and industry partners to solve real-world problems using fault-tolerant quantum computing.

Requirements

Candidates must hold an MSc in a quantitative discipline and possess a strong track record in scientific software development and quantum algorithm research. Proficiency in Python, scientific libraries, and the application of frontier AI models for research is essential.

Skills

Quantum algorithms
Software development
Python
NumPy
SciPy
JAX
AI models
Quantum computing
Hamiltonian simulation
Quantum error correction
Resource estimation
Quantum chemistry
Algorithm optimization
Scientific computing
PennyLane

Benefits

Equity
Health benefits

Visa sponsorship

Not detected in the job text

Keywords

Quantum Scientist
Software Development
Quantum Algorithms
AI-driven tools
PennyLane
Python
NumPy
SciPy
JAX
Hamiltonian simulation
Trotter product formulas
Quantum signal processing
Quantum phase estimation
Fault-tolerant quantum computing
Resource estimation
PySCF
VASP
Quantum ESPRESSO
DMRG
QMC
Quantum error correction
Quantum compilation
Scientific research
Algorithm optimization
Open-source projects
Intellectual property
Patents
Interdisciplinary collaboration
Electronic-structure
Quantum chemistry

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