Top Python Jobs in Toronto

Design, develop, test, and maintain software applications while ensuring compliance with coding standards, leading design decisions, and mentoring junior developers.

Develop, deploy, and maintain AI-powered applications and intelligent workflows using Python in cloud-native environments. Build APIs, microservices, and data pipelines; integrate LLMs and ML models; implement retrieval/prompt-driven experiences and CI/CD; optimize performance, security, and scalability; collaborate cross-functionally and troubleshoot model and system issues.

As a Quantum Scientist at Xanadu, you'll design and optimize quantum algorithms, develop compilation techniques for quantum circuits, and lead projects while collaborating across teams.

Develop and maintain control and measurement software that connects custom hardware (control boards, instruments, DAQ) to higher-level experiment frameworks. Write and integrate device drivers, support lab hardware bring-up and debugging, improve data capture and deployment practices, and contribute to tooling, testing, and CI to make prototype code reliable and maintainable while working closely with physicists and hardware engineers.

Design, build, and upgrade optical laboratory experiments to characterize photonic integrated chips and fast electro-optic elements. Perform precise optical and opto-electronic measurements, implement phase/frequency stabilization and phase locks, troubleshoot stability/noise issues, and collaborate with electrical, mechanical, software and PIC teams to integrate modules. Produce technical documentation, test procedures, and characterization reports.

Contribute expertise in optics and photonics for SNSPD development, operate cryogenic systems, and enhance performance and scalability of SNSPD technology.

The role involves designing and testing photonic systems for quantum computing, ensuring precision optical control, collaborating across teams, and generating technical documentation. A PhD in a relevant field and significant experimental experience are required.

As a Photonics Control & Test Engineer, you will develop automated measurement routines for active photonic devices, optimize control algorithms, and implement testing strategies in collaboration with design teams.

As a Senior Low Temperature Device Engineer, you will design and optimize SNSPDs, conduct cryogenic tests, and analyze performance data for quantum computing technologies.

Design, develop, and optimize high-power pulsed optical amplifiers for quantum computing, collaborating with physicists and engineers.

The Lead Data Engineer will design and enhance data pipelines and infrastructure for data-driven decisions, mentor engineers, and establish data governance.

As an AI Specialist, you will optimize AI initiatives, enhance system performance, develop ML algorithms, and collaborate with researchers on quantum hardware projects.

Develop and maintain PennyLane, a quantum programming framework. Responsibilities include designing infrastructure, implementing software features, and collaborating with various teams for advanced execution pipelines.

Design, build, and validate optical laboratory experiments for photonic integrated chips. Characterize pulsed balanced homodyne detectors and electro-optic modulators, implement phase/frequency stabilization and PID control, develop measurement and signal-processing techniques for homodyne detection and tomography, collaborate across PIC, electrical, mechanical, and software teams, and produce technical documentation and test procedures.

The role focuses on designing superconducting analog components for SNSPDs, optimizing circuit architectures, and ensuring scalability through collaboration and validation processes.

The Senior Frontend Engineer will lead development of UI features using React and TypeScript, collaborate on API designs, and optimize performance in a data-intensive financial platform environment.

The Design Verification Engineer will rigorously verify designs using UVM techniques, collaborating closely with digital and analog design experts, while defining DV methodologies and ensuring quality tapeouts.

Seeking a Full Stack Engineer to design, build, and scale consumer-facing applications for Goldin, focusing on cloud-native architectures, AWS, and APIs while collaborating with cross-functional teams.

The role involves designing and building scalable software architectures, owning features end-to-end, collaborating across teams, and improving application performance.

Lead design of high-speed analog/mixed-signal transceivers for silicon photonics systems. Drive block specifications with cross-functional teams, run post-layout and mixed-signal simulations, validate circuits in lab, define test plans, document designs, and mentor junior engineers.

As a Full Stack Engineer, you will design, build and scale cloud-native applications on AWS, focusing on consumer experiences and collaboration with various teams.

The Senior Research Engineer will develop and deliver scalable ML solutions, collaborate with teams, and apply innovative technologies in AI to impact professionals in legal and accounting fields.

Lead a team focused on data and ML systems at eBay, driving architectural decisions, product execution, and best practices in ML applications.

Design, deploy, and operate enterprise SSO and IAM solutions across corporate and partner applications. Lead federation architecture (SAML/OIDC/OAuth/WS-Fed), integrate apps and APIs, analyze logs and tokens, troubleshoot complex authentication/network issues, enforce Zero Trust and contextual MFA, automate workflows with scripting, and participate in on-call rotations for production support.

Design and execute manual and automated end-to-end tests for iOS, Android, and web apps. Define test strategies for P0 launches, automate E2E test cases, run regression cycles, and collaborate cross-functionally to ensure product quality and user experience.