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Software Developer - Backend (Intermediate & Senior)

Toronto, Ontario💼 Full-time💰 $100,000–$140,000🗓 2026-04-29 → 2026-08-05

Core

Build, scale, document, and maintain products within the pennylane.ai ecosystem to pioneer quantum software development and spread adoption of the PennyLane open-source framework.

Role type

Senior IC backend software engineer (quantum software stack)

Builds

Products and APIs for the pennylane.ai ecosystem (quantum machine learning, computing, and chemistry tools)

Domain

Quantum computing / Quantum machine learning / Cloud infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Python, Go, Rust, PostgreSQL, SQL optimization, Docker, Infrastructure as Code, AWS, Google Cloud

Preferred skills

Large-scale distributed systems design, performance tuning, GitHub Actions, Terraform, NextJS/React, technical leadership, mentoring

Technologies

PennyLane, NextJS, React, GitHub Actions, Terraform

Responsibilities

Implement and design robust APIs for internal/external services; maintain high-quality production code through automated testing and code reviews; lead design of large-scale, fault-tolerant, distributed systems; develop and improve engineering processes for consistent product delivery.

Seniority

Intermediate (3+ years) to Senior (6+ years), hands-on IC

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