Top Python Jobs in Toronto

Assist with creating and deploying networking solutions for AI and cloud infrastructure. Analyze industry trends and technical challenges, contribute to strategic roadmaps, and collaborate with academic and industry professionals. The role focuses on AI infrastructure, HPC and data-center networking, including RDMA, protocol optimization, traffic engineering, congestion control, topology design, resource allocation, networking architectures, software architecture, and distributed systems.

Design and develop core openJiuwen AI Agent Platform capabilities, including agent frameworks, workflows, tool calling, MCP, and multi-agent collaboration. Build AI agents for coding, research, data, and software engineering use cases. Contribute to JiuwenSwarm and open-source projects through feature development, issue resolution, documentation, examples, and community collaboration while exploring LLMs, memory, planning, evaluation, and agentic systems.

Lead architecture and implementation of AI-first backend and orchestration systems for Audit Suite. Drive scalable, reliable AI workflows (LLM integration, retrieval, vector stores), mentor engineers, set technical direction, and collaborate across product, design, and ML to deliver auditable, high-throughput document-centric solutions.

Lead technical strategy and execution for a backend ledger team building audit-grade, highly available financial systems. Drive architecture, operational reliability, monitoring, code quality, mentorship, and cross-functional collaboration to deliver accurate, scalable ledger and accounting functionality.

As a Staff Machine Learning Engineer, you'll lead AI initiatives using large-scale data, optimize ML models for edge devices, and collaborate with cross-functional teams.

Design, build, and scale real-time and batch data infrastructure and pipelines (Kafka, Databricks, Snowflake) to power analytics, reporting, and AI-powered data experiences. Drive data modeling, governance, observability, and best practices while partnering with cross-functional teams and mentoring engineers.

Design, build, and maintain Python backend services and internal APIs for high-traffic hosting platforms. Administer Linux production systems, optimize MySQL queries and schemas, troubleshoot incidents, and participate in on-call rotation. Collaborate with senior engineers and cross-functional teams to deliver tested features, modernize legacy Perl systems, and contribute to technical design decisions. Apply AI responsibly throughout development, debugging, testing, and code review.

Lead development of strategic cross-asset margin systems supporting derivatives risk management. Design and implement Java applications and distributed services using microservices, APIs, Kafka, cloud platforms, and databases. Establish coding and testing standards, oversee software quality and production releases, assess complex systems and risks, and mentor developers. Collaborate with technology, risk, quant, trading, operations, and management teams while ensuring regulatory and governance compliance.

Develop and test firmware for embedded CPUs within custom ASICs controlling and monitoring optical network equipment. Responsibilities include collaborating on feature definition, coding, acceptance criteria, and unit testing within an Agile Scrum team, while mentoring interns and co-ops. The role requires a bachelor's degree in computer engineering or equivalent, C/C++ and Python experience, and knowledge of at least one relevant area such as digital signal processing, control theory, optical networking, optical components, or embedded CPUs.

Own post-sale success for commercial customers by leading technical onboarding, configuring integrations across CI/CD systems and developer tools, troubleshooting production issues, conducting architecture reviews, and driving product adoption. The role manages customer relationships, QBRs, success plans, workshops, and technical support while partnering with Sales, Product, and Engineering to resolve issues and improve scalable customer-success programs.

Own post-sale success for enterprise customers by leading technical onboarding, configuring integrations across CI/CD systems and developer tooling, troubleshooting production issues, conducting architecture reviews and enablement sessions, and driving adoption. Partner with account executives on renewals and expansions while gathering customer feedback for Product and Engineering. The role requires strong technical customer-facing experience, code literacy, SaaS integration knowledge, and comfort working with developers, security teams, and executives.

Build and own enterprise platform components end to end, integrating with customer infrastructure and self-managed Kubernetes environments. Develop observability, improve reliability and availability, debug distributed systems, address security vulnerabilities, and deliver production software for enterprise users. Collaborate with product and technical leads, mentor engineers, and maintain hands-on ownership across design, implementation, deployment, and production operations.

Develop and operate SpiceDB and AuthZed’s open-source authorization ecosystem. Design, implement, test, deploy, and optimize distributed systems involving databases, cloud infrastructure, query planning, scalability, reliability, and performance. Participate in production operations and on-call rotations, troubleshoot complex issues, collaborate with users and contributors, mentor engineers, and contribute to technical documentation and industry discussions.

Lead the underwriting and credit risk validation sector within Model Risk Management. Manage and mentor a quantitative team, perform hands-on validations of complex ML models, assess data integrity and model performance, identify and remediate weaknesses, and partner with stakeholders to enhance the enterprise MRM framework and meet audit and regulatory requirements.

Leads the architecture, reliability, scaling, and evolution of hybrid-cloud and workplace infrastructure. Designs and operates production systems across data centers, offices, and cloud environments; drives migrations, automation, monitoring, incident response, and infrastructure improvements. Collaborates across IT, SRE, security, and service-owner teams, provides technical direction, mentors engineers, documents systems, and remains hands-on with critical implementations.

Owns BeyondTrust’s product vulnerability management program end to end, including FedRAMP 20x continuous monitoring, risk assessment, remediation, exception handling, metrics, evidence, and reporting. The role establishes processes for new products, automates triage and reporting, partners with Security Engineering on integrations, drives remediation across engineering teams, and leads response to actively exploited and zero-day vulnerabilities.

Build AI agents, data products, automated workflows, and analysis tools for go-to-market teams. Integrate data from Salesforce, Gong, and other systems; create reports, alerts, and manager briefs; improve revenue operations processes; and evaluate AI outputs for accuracy, privacy, security, adoption, and effectiveness. Partner with Sales, Solutions, Customer Experience, Channel, and Revenue Operations teams to define requirements and improve decision-making.

Performs characterization testing and analysis of optical PON modules. Assists optical designers and development engineers with testing pluggable optical modules, operates optical and electronic test equipment, automates test setups, and processes and analyzes test results. The role is an on-site, four-month-plus student coop/internship in Ottawa beginning January 2027.

Designs and commissions automated robotic, CNC, and tooling cells from concept through production handoff. Responsibilities include PLC, robot, HMI, motion-control, electrical-panel, industrial-network, machine-vision, sensor, and safety-device integration. The engineer performs floor commissioning, risk assessments, root-cause analysis, and customer run-offs while collaborating with manufacturing, tooling, software, and program-management teams. The role also mentors engineers and technicians and develops reusable controls libraries and standards.

Lead the Customer Files Orchestration engineering team and own its distributed service end to end, including file upload, storage, extraction, embedding, indexing, APIs, queuing, reliability, and operations. Hire, coach, and develop engineers; establish team processes, on-call, SLOs, and incident practices; set technical direction and roadmap; and partner with product, platform, storage, document understanding, and indexing teams to scale a reliable, API-first service.

Serve as the technical sales and customer-facing expert for an AI platform. Responsibilities include conducting product demonstrations, supporting proofs of concept, advising on architecture and development, planning professional services projects, tuning retrieval and agentic pipelines, responding to RFPs, supporting customer adoption, and communicating product feedback internally. The role requires strong AI, cloud, on-premise, application development, storytelling, and enterprise customer engagement experience.

Supports Indonesian and broader Asian survey operations by monitoring data quality, managing quality-control staff, correcting survey issues, analyzing collection progress, and developing data-quality tools. Coordinates field operations, training, stakeholder engagement, translations, and backcheck processes. Provides insights on coffee and cacao sustainability data to country teams and supply-chain stakeholders. The role is fully remote from Indonesia with travel to regional agricultural areas.

Build and maintain an internal computer vision annotation platform, including interactive workflows, dashboards, data pipelines, and quality measurement tools. Develop customer-facing ML services for PII blurring and model-assisted labeling. Deploy and optimize detection and segmentation models using PyTorch, TensorRT, and ONNX, and expose them through high-performance concurrent APIs. The role requires strong frontend engineering, production Python, applied ML deployment, video processing, and human-in-the-loop workflow expertise.

Creates complex visual effects simulations including fire, smoke, fluids, destruction, and abstract effects using Houdini. Collaborates with FX, CG supervision, pipeline, production, and other departments to deliver photorealistic, technically optimized shots. Responsibilities include simulation setup, caching, rendering, quality control, troubleshooting, creative iteration, communication, documentation, and knowledge sharing.

Design, develop, and maintain secure, scalable backend systems, APIs, databases, integrations, and services. Provide technical direction, lead architecture discussions, coordinate complex initiatives, manage dependencies, review code, improve performance and observability, respond to production incidents, maintain tests and CI/CD workflows, and mentor engineers. Collaborate remotely with Product, Operations, and engineering teams to deliver reliable software.