Top Python Jobs in Toronto

Design and execute automated Python tests for Nokia optical communication products at system and solution levels. Develop test plans, validate compatibility with third-party equipment, analyze defects, and produce execution reports. Collaborate with software development teams during release planning and backlog refinement, maintain test assets in Git, and contribute to Agile quality improvements.

Develop and manage mission-critical infrastructure services for Akamai’s cloud lab platform. Build deployment stacks for test datacenters, design observability and monitoring solutions, improve deployment and configuration performance, and collaborate with engineering, architecture, and site reliability teams. The role requires strong Infrastructure as Code, Python, REST API, container orchestration, development-environment tooling, and relational database experience.

Develop and manage mission-critical infrastructure services for cloud development and testing. Build Python backend services, APIs, automation, virtual machine environments, reservation systems, reporting tools, and resilient test frameworks. Improve reliability, scalability, deployment performance, and observability across physical and virtual infrastructure. Provide technical leadership and mentorship while collaborating with global Development and SRE teams.

Lead and execute complex threat intelligence investigations for live game services using OSINT, internal tools, and data analysis. Produce high-quality intelligence reports, support incident response, drive automation/tooling improvements, and maintain program reporting and threat monitoring.

Designs benchmarks, reinforcement learning environments, evaluation methodologies, scoring frameworks, and reproducible evaluation architectures for frontier models. Builds and ships production code, maintains data pipelines, analyzes results, and collaborates with research scientists, solutions architects, and ML engineers. The role combines independent research methodology with hands-on engineering across agentic systems, model evaluation, and RL infrastructure.

Own the end-to-end improvement loop for Elastic’s Context Engine, including agent behavior, evaluation, telemetry, retrieval, memory, and safe production rollouts. Build production services in TypeScript or Python, design golden datasets and quality gates, analyze traces and customer feedback, and improve agentic systems through experimentation. Collaborate with data scientists, backend engineers, product, and UX while mentoring engineers and shaping technical strategy.

Lead corporate endpoint security architecture with a focus on macOS, designing secure-by-default controls, automation, patching, software distribution, and security baselines across macOS, iOS, Windows, and Linux. Manage configurations through Terraform, GitOps, version control, CI pipelines, and automated rollouts. Partner with IT and security teams to improve telemetry, detection, response, auditability, and operational efficiency. Mentor engineers and serve as a senior escalation point for complex endpoint security issues in a fully remote environment.

Build and improve Firefox WebCompat internal dashboards, reporting tools, and broken-site screenshot capture pipelines. The role involves creating reliable data views for triage and metrics, automating screenshot workflows, collaborating with WebCompat and QA teams, and translating reporting needs into effective tooling. Familiarity with WebCompat workflows, Bugzilla, screenshot automation, and machine learning is preferred.

Provides enterprise customers with phone, email, and chat-based technical support. Troubleshoots and debugs complex software issues across Windows, Linux, cloud identity, networking, and access technologies; independently investigates problems and coordinates resolutions with Engineering, Product, Sales, and Tier 3 Support. Manages customer expectations, tracks escalations, communicates issue status, and participates in an on-call rotation.

Conduct advanced threat hunting and intrusion analysis in a 24/7 SOC environment. Investigate endpoint and network events, support incident response, analyze threats across customer environments, produce incident reports, and serve as an escalation point for complex cyber incidents. The role also develops SOC processes, builds research lab environments, evaluates sandbox technologies, and communicates technical findings to technical and non-technical audiences.

Leads a remote engineering team building scalable Python and Golang microservices for Canonical’s software distribution marketplaces. Responsibilities include mentoring and developing engineers, managing delivery and expectations, shaping technical strategy and roadmaps, reviewing code, guiding architecture, maintaining engineering quality, and collaborating with product managers, architects, other teams, open-source contributors, and commercial partners.

Operate and maintain highly available, secure, containerized SaaS applications across AWS and Azure. Responsibilities include rotating 24x7 on-call coverage, observability, incident and security response, disaster recovery, Terraform infrastructure-as-code, CI/CD automation, cloud integration, performance optimization, and developing AI agents to automate SRE and DevSecOps workflows.

Deploys enterprise accounting software for customers by leading technical discovery, proofs of concept, integrations, custom modules, and AI prompt/model tuning. Partners with Account Executives during complex sales cycles and collaborates with product and engineering on customer requests. Troubleshoots, debugs, upgrades, and supports production deployments while communicating directly with customers.

Lead design and delivery of cost-visibility and optimization tooling across cloud and AI infrastructure. Set technical strategy, build automation and monitoring, collaborate cross-functionally, ensure operational readiness, and mentor engineers to scale FinOps capabilities and self-service cost systems.

Build and modernize enterprise reporting solutions using Databricks and Power BI. Responsibilities include developing governed datasets, Delta-table reporting views, semantic models, dashboards, automated report distribution, and data validation processes. The role collaborates with business stakeholders, supports testing and deployments, and optimizes reporting performance. Required expertise includes advanced SQL, data warehousing, ETL/ELT, Databricks, Power BI, DAX, Power Query, and Azure services.

Designs and maintains Camunda’s Kubernetes-based multi-cloud infrastructure, improving scalability, reliability, monitoring, observability, and automation. Owns systems end-to-end, participates in incident response and on-call rotations, creates runbooks, collaborates with product and engineering teams, and mentors less experienced engineers. The role requires strong Kubernetes, infrastructure-as-code, monitoring, incident response, and automation expertise, with cloud, GitOps, programming, and SLO experience preferred.

Designs and scales distributed platform services, APIs, microservices, and React applications for healthcare technology platforms. Owns architecture, reliability, performance, testing, CI/CD, observability, infrastructure, and production support. Partners with product and clinical teams, mentors engineers, leads technical decisions, and uses AI-augmented development tools. Requires extensive software engineering experience with cloud-native systems, databases, REST APIs, frontend frameworks, and scalable SaaS platforms.

Lead BI reporting and advanced marketing analyses to optimize campaign performance and ROI. Build and maintain dashboards, consolidate and govern data, model insights, and provide strategic recommendations to cross-functional teams. Mentor junior analysts, drive process improvements, and translate complex data for non-technical stakeholders to inform business and marketing decisions.

As Analytics Lead, you'll drive data-informed decision-making, lead measurement strategies, mentor teams, and oversee analytics infrastructure, impacting client strategies.

Own application-layer risk identification and remediation across consumer products and APIs. Build and operate AppSec tooling, Harden auth/authorization and GraphQL security, run HackerOne and offensive testing, lead threat modeling and security reviews, and build AI agents to automate triage and remediation while embedding secure-by-default practices into engineering workflows.

Design, operate, and improve cloud security for a multi-account AWS environment and Kubernetes clusters. Build detection, prevention, and automated remediation workflows, drive zero-trust access, shift-left security in pipelines, integrate cloud security tooling, mentor engineers, and partner with infrastructure teams on identity, networking, and secrets management.

Architects, develops, tests, and optimizes scalable Java-based web applications using Spring Boot microservices and modern frontend frameworks. Leads software delivery across the full lifecycle, including API design, technical specification refinement, automation, performance optimization, test-driven development, code reviews, and troubleshooting. Collaborates with internal teams and external partners to deliver maintainable solutions, improve engineering workflows, and uphold modern architecture and development standards. The role is remote in Canada and requires working Eastern Time hours.

Develop computer vision and vision-language models for image and video understanding in restaurant environments. Build datasets, training strategies, evaluations, and benchmarks; diagnose model failures; and deploy efficient, reliable inference pipelines. The role combines research and engineering across scene understanding, object tracking, activity recognition, temporal reasoning, visual grounding, and multimodal models, while partnering with product and infrastructure teams to bring research into production.

Build backend services and APIs primarily in Python, with frontend contributions in React and TypeScript. Develop experimentation platforms, near-real-time data ingestion and processing, AI-powered workflows, partner integrations, RBAC, and other product capabilities. Collaborate with product managers, designers, data scientists, and senior engineers while delivering production-ready features across backend, frontend, pipelines, and infrastructure.

Lead backend-focused software architecture and development for data-intensive products, including experimentation platforms, near-real-time ingestion, AI workflows, integrations, APIs, and distributed systems. Partner with product, design, and data science teams to translate ambiguous needs into scalable production solutions. Contribute across frontend, pipelines, and infrastructure, while mentoring engineers, conducting design reviews, and setting technical direction.