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Added 1 day ago
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Quantum Software Developer - Compilation
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Full-time
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Full-Stack Engineer, AI Platform
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Co-op, Robotics Integration and Development (OTTO by Rockwell Automation)
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Xanadu

Quantum Software Developer - Compilation

Toronto, ON, Canada

Pay: The base salary range is 120,000 - 160,000 CAD.
Job type: Full-time
Apply by: Oct 4, 2026
Experience: 2+ years of development experience in modern optimizing compilers, for a variety of architectures.
Posting language: English
Posted: Sep 4, 2026

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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. 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 part of the PennyLane Compilation team, you will be responsible for developing and maintaining JIT and AOT hybrid compilation pipelines for PennyLane, an open-source software framework for quantum machine learning, quantum computing, and quantum chemistry.

You Will

Convert abstract descriptions of algorithms into efficient & understandable software implementations.
Perform R&D to support new hardware platforms, programming paradigms, and software tooling to enable optimal performance for quantum computing workloads.
Interpret and communicate complex concepts to the wider team.
Participate in software system specification, design, and quality assurance (e.g., requirements gathering, defining software architecture, documentation, verification & validation, etc.).
Provide leadership in software best practices, including continuous-integration pipelines, unit testing, documentation, and code reviews.

Basic qualifications and experience:

Bachelor’s Degree in Physics, Computer Science, Math, Engineering, or a related field.
2+ years of development experience in modern optimizing compilers, for a variety of architectures.
Strong knowledge of Python and C++.
Experience with benchmarking and performance-oriented optimizations.
Strong focus on testing and software quality.

Preferred qualifications and experience:

Experience developing projects using MLIR and/or LLVM.
Understanding of advanced compiler optimization techniques.
Familiarity and experience with automatic differentiation methods and frameworks (e.g., Autograd, Torch, TensorFlow, JAX).
Education or training in quantum computing (such as work experience, coursework, thesis, or peer-reviewed publications).
Experience developing toolkits, compilers, or runtime environments for heterogeneous architectures.

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 120,000 - 160,000 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 [email protected].

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 and maintain JIT and AOT hybrid compilation pipelines for the PennyLane quantum software framework. Additionally, you will perform R&D to support new hardware platforms and provide leadership in software best practices.

Requirements

Candidates must have a bachelor's degree in a relevant technical field and at least 2 years of experience in modern optimizing compilers. Strong proficiency in Python and C++ is required, along with a focus on software quality and performance optimization.

Skills

Python
C++
Compiler design
JIT compilation
AOT compilation
Quantum computing
MLIR
LLVM
Automatic differentiation
Benchmarking
Software architecture
Unit testing
Continuous integration
Quantum machine learning
Quantum chemistry

Benefits

Equity
Benefits

Visa sponsorship

Not detected in the job text

Keywords

Quantum computing
PennyLane
Compiler
JIT
AOT
Python
C++
MLIR
LLVM
Automatic differentiation
Autograd
Torch
TensorFlow
JAX
Quantum machine learning
Quantum chemistry
Continuous integration
Unit testing
Software architecture
Performance optimization
Heterogeneous architectures
R&D
Algorithms
Physics
Computer science
Engineering
Mathematics

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