Posted 2 months ago
Software Developer - Backend (Intermediate to Senior)
@ Xanadu
Toronto, Ontario
Overview
Xanadu is hiring an intermediate to senior backend software developer to build and maintain products in the pennylane.ai ecosystem, supporting the open-source PennyLane quantum software framework. The work covers designing APIs, leading fault-tolerant distributed systems, and maintaining production code with automated testing. The posting states a base salary of 100,000 to 140,000 CAD for intermediate candidates and 150,000 to 180,000 CAD for senior candidates, plus equity and benefits.
Responsibilities:
- Build, scale and maintain pennylane.ai products
- Design and implement robust APIs
- Work with product owners on feasible designs
- Lead design of large fault-tolerant distributed systems
- Improve engineering processes
Requirements summary:
- BSc in Computer Science, Engineering, Physics, Math or related field
- 3+ years professional experience (intermediate) or 6+ (senior)
- Strong Python, Go or Rust skills
- Proficiency in PostgreSQL and SQL optimization
- Experience with Docker, Infrastructure as Code and cloud deployment
Tools & skills
Source and dates
Source type not verified · hibob
- Employer posting date
- 2026-08-24
- First seen by our source
- 2026-10-27
- Source record updated
- 2026-10-27
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Mid level |
| Department | Software development |
| Experience | 3+ years |
| Hours per week | 40 (estimated) |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Education | Bachelor’s degree (required) |
| Fields of study | Computer Science, Engineering, Physics, Math |
| Perks mentioned | Stock or equity |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Xanadu
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
Full company description
Xanadu Quantum Technologies Inc. is a Canadian quantum technology company, and one of the world's leading photonic quantum hardware providers. Founded in 2016, Xanadu's mission is to build quantum computers that are useful and available to people everywhere. To achieve this mission, the company has taken a full-stack approach and builds hardware, software, and pursues state-of-the-art research with select partners. The company is also advancing the field of quantum machine learning (QML) through the development of PennyLane, an open-source project that has become a leading software library among quantum researchers and developers. Xanadu is bringing together exceptional minds from around the world to build something extraordinary. Learn more at xanadu.ai
- LinkedIn followers
- 56,801
- People associated on LinkedIn
- 342
- Reported office locations
- Toronto, Ontario M5B 2H7, CA
- Other recorded names
- Xanadu
- Specialties
- Quantum Computing
- Artificial Intelligence
- Machine Learning
- Deep Learning
- Cloud Computing
- Quantum Simulations
- and Quantum Algorithms
- Profile identifies a recruitment agency
- No
Xanadu Quantum Technologies Inc. is a Canadian quantum technology company, and one of the world's leading photonic quantum hardware providers. Founded in 2016, Xanadu's mission is to build quantum computers that are useful and available to people everywhere. To achieve this mission, the company has taken a full-stack approach and builds hardware, software, and pursues state-of-the-art research with select partners…
| Field | Value |
|---|---|
| Industry | Computer Hardware Manufacturing |
| Company size | 51-200 employees |
| Headquarters | Toronto, Ontario |
| Organization type | Privately Held |
| Year founded | 2016 |
| Specialties | Quantum ComputingArtificial IntelligenceMachine LearningDeep LearningCloud ComputingQuantum Simulationsand Quantum Algorithms |
| Open jobs on Jobsy | 76 |
| View page |
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 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 the adoption of PennyLane, an open-source framework for quantum machine learning, quantum computing, and quantum chemistry. No quantum software experience is required.
- Build, scale, document, and maintain products within the pennylane.ai ecosystem.
- Implement and design robust APIs for consumption by internal/external services and web front ends.
- Work with product owners to derive requirements and ensure designs are technically feasible.
- Maintain high-quality production code through automated test coverage and a dynamic code review process.
- Own a significant part of the domain, exploring and advocating for new technologies.
- Lead the design of large-scale, fault-tolerant, distributed systems.
- Develop and improve engineering processes to ensure developer efficiency and consistent product delivery.
Basic qualifications and experience:
- BSc in Computer Science, Engineering, Physics, Math, or a related field.
- Years of Experience:
- Intermediate: 3+ years of professional software development experience.
- Senior: 6+ years of professional software development experience.
- Strong knowledge of modern development languages (Python, Go, or Rust).
- Proficient in PostgreSQL and SQL optimization.
- Experience using Docker, Infrastructure as Code, and deploying to cloud providers like AWS or Google Cloud.
- Strong communication, a product-minded approach, and the ability to thrive in a fast-paced environment.
Preferred qualifications and experience:
- Hands-on experience building large, fault-tolerant, distributed systems at scale.
- Advanced knowledge of distributed system patterns and performance tuning.
- Manage deployment pipelines using GitHub Actions, Docker, and Terraform.
- Proficiency in deploying and integrating with modern web frameworks (NextJS/React).
- Experience in a technical lead capacity or overseeing the delivery of complex, multi-stakeholder projects.
- Actively mentor developers on the team and foster a culture of continuous technical growth.
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.
Journal
Only you can see this. Kept on this device, and in your account when you sign in.