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About the Role
Building a high-performance software stack that makes optimal use of quantum hardware resources is key to realizing early, game-changing applications of quantum computing. As part of the PennyLane Performance Team, you will author high-performance libraries, develop high-performance extensions, and contribute to performance monitoring and benchmarking tooling for the PennyLane & Catalyst quantum software stack.
Responsibilities
- Develop primitives/libraries that enable ultra-low latency communication between devices in a distributed, heterogeneous system (CPU/GPU/FPGA)
- Develop high-performance software components, adapting to new hardware platforms and programming paradigms.
- Convert abstract descriptions of algorithms into efficient & understandable software implementations.
- Develop the framework for benchmarking the compilation and execution pipeline, tracking quantum resources through the stack, and profiling the quantum software.
- 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, & code review.
Requirements
- BSc in Computer Science, Engineering, Physics, Math, or a related field.
- Demonstrated experience in low-level networking/systems programming (e.g. networking/low-latency communication (RDMA), concurrency and authoring of high-performance libraries, OS internals)
- Proficiency in high-performance Modern C++ (C++17/20 preferred) and Python.
- Deep understanding of computer architecture (CPU, GPU, memory hierarchy) coupled with hands-on experience in optimizing code for runtime and memory efficiency using professional profiling tools (e.g. perf, scalene, valgrind).
- Proven ability to rapidly diagnose and resolve complex issues across compiled and interpreted environments using industry-standard debuggers.
Skills
- low-level networking/systems programming
- networking/low-latency communication (RDMA)
- concurrency
- high-performance libraries
- OS internals
- Modern C++ (C++17/20)
- Python
- computer architecture (CPU, GPU, memory hierarchy)
- code optimization
- profiling tools (e.g. perf, scalene, valgrind)
- debugging
- code parallelization
- accelerators
- multithreading (e.g., OpenMP, C++ threads)
- multiprocessing (e.g., MPI)
- GPUs (e.g. CUDA, HIP/ROCm)
- compiler offload directives
- scalable & reproducible scientific workloads
- HPC / supercomputer platforms
- cloud hardware (e.g., AWS, Azure, GCP)
- quantum computing
- quantum workflows
- quantum resource optimization
Experience Level
- MSc, PhD in Computer Science, Engineering, Physics, Math, or a related field.
Education Level
- BSc in Computer Science, Engineering, Physics, Math, or a related field.
- MSc, PhD in Computer Science, Engineering, Physics, Math, or a related field.
Salary/Compensations
- 120,000 - 160,000 CAD
Benefits
- equity
- benefits
About the Company
- 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!
Equal Opportunity
- 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.