Top Python Jobs in Toronto

Lead end-to-end client ML engagements: scope problems, design, build, and deploy production ML solutions across cloud and containerized stacks. Lead and mentor small teams, manage client relationships, evaluate emerging tools, and ensure models are production-ready and explainable to technical and non-technical stakeholders.

Design, build, and deploy ML models across diverse use cases; work with managed cloud ML platforms and containerized solutions; collaborate with engineers on production integration and MLOps best practices; preprocess and analyze large datasets; mentor teammates and influence technical direction; translate complex ML concepts for technical and non-technical stakeholders.

Lead design and implement deep mobile platform integrations (primarily iOS) across the Graykey product. Debug across layers (Python, native C/C++, OS userspace and kernel), analyze crash dumps and disassembled binaries, drive features from design through production, mentor engineers, and collaborate with firmware and product teams to ensure reliable multi‑device, multi‑OS operation.

Lead product strategy and execution for a suite targeting independent retailers. Work with customers and internal teams to identify needs, write product specs, coordinate development, use data and A/B tests, and discuss technical design decisions with engineering to drive adoption and quality.

Own specific product segments and features, gather customer and stakeholder requirements, write product specifications, coordinate development lifecycle with engineering, use data and A/B tests to inform decisions, and champion user experience while building technical understanding to drive product growth.

Lead a suite of products for independent retailers: research user needs, define strategy and product specs, coordinate development with engineering, drive adoption, use data and A/B testing, and maintain high quality and customer-facing relationships.

Lead underwater acoustics modelling and assessments for coastal and offshore projects, develop sound propagation and exposure models, characterize sources, analyze monitoring data, design monitoring programs, produce technical reports, advise on mitigation and compliance, mentor junior staff, and support proposals and business development.

Own end-to-end product problems and ship AI-powered experiences across frontend, backend, data, and infrastructure. Build with Vue, PHP/Laravel, and Python; prioritize UX, reliability, testing, observability, privacy, and accessibility. Mentor engineers and collaborate with product, design, clinical, pharmacy, and operations.

Design, develop, and maintain scalable Python applications and services. Build and integrate RESTful APIs, work with relational and non-relational databases, implement microservices, perform unit testing, optimize performance, participate in code reviews, and support deployments using cloud platforms, containerization, and CI/CD in an Agile environment.

As a Customer Engineer, you'll be a technical advisor for Nebius GPU Cloud services, assisting clients in deploying AI solutions, optimizing GPU performance, and collaborating with sales and product teams to enhance customer satisfaction.

Lead statistical activities for clinical trials from protocol design through reporting. Provide statistical oversight, collaborate with cross-functional teams and CROs, apply SAS/R (and ML) for analyses, automate processes, and mentor junior statisticians.

Hands-on photonics engineer to design, run, and automate phase and polarization experiments, characterize hardware, refine physical and numerical models, and iterate device designs to reduce optical loss and improve system performance while managing thermal and vibration mitigation.

The role involves optimizing marketing acquisition through advanced measurement frameworks, attribution strategies, web analytics, and collaboration with technical teams, focusing on data-driven decision-making for growth.

Lead the full development lifecycle, building scalable APIs and systems, mentoring engineers, and delivering impactful AI-driven software solutions.

Lead client engagements and own end-to-end solutions, prototyping while ensuring reliability and scalability. Mentor engineers and help define technical roadmap.

The Senior Database Engineer will maintain and optimize databases, ensuring stability and scalability while collaborating with development teams on performance and cost efficiency in AWS.

Develop AI technologies for clinical trials, focusing on scalable ML infrastructure, optimizing models, and working cross-functionally to enhance safety and efficiency.

As a Senior Data Scientist, you'll develop machine learning models and perform analyses to optimize customer engagement and marketing programs for retail operations.

The Linux Systems Specialist - Sr. will solve technical problems, manage client systems and enhance infrastructure while maintaining strong customer relationships.

The role involves leading risk management initiatives on climate perils, analyzing data, developing models, and presenting findings to stakeholders.

As a Staff Analytics Engineer, you will design self-serve BI solutions, optimize analytical infrastructure, and collaborate with stakeholders to enhance data accessibility and decision-making.

As a Software Engineering Intern, you will own and deliver a meaningful project, working with cutting-edge AI technologies and collaborating across teams to enhance product user experience.

The intern will own an impactful project, using AI and developing scalable APIs while collaborating with design, sales, and marketing teams.

Develop and manage backend services using Python and Java, design databases, automate tasks, and mentor junior developers. Collaborate on architectural decisions and debug production issues.

The Senior DevOps role involves building scalable cloud infrastructure, managing CI/CD pipelines, automating processes, ensuring reliability, and mentoring engineers.