Top Python Jobs in Toronto

Build and operate end-to-end time-series forecasting and MLOps systems for battery energy storage: data pipelines, feature engineering, model training (including Temporal Fusion Transformer), deployment, monitoring, and production support. Create Airflow DAGs, ensure pipeline reliability, collaborate cross-functionally, and produce dashboards and documentation for stakeholders.

Embed with application teams to lead cloud-native modernization on AWS, drive AI-assisted SDLC adoption, implement IaC and CI/CD (Terraform, GitHub/GitLab), solve integration challenges, and upskill teams while enforcing engineering standards.

The Senior Data Scientist will influence Wealthsimple's crypto experience by leveraging data analysis, problem-solving skills, and strong collaboration with cross-functional teams to shape product strategy and improve customer engagement and retention.

Lead and mentor a team of data analysts to build dashboards, reports, and advanced analytics. Partner with Core Data and cross-functional leaders (Finance, RevOps, CS, GTM) across NA and EMEA to define KPIs, execute an analytics roadmap, ensure data governance and quality, and apply predictive modeling to drive business decisions. Serve as the Director of Data's North America presence and champion scalable BI and data modeling best practices.

Lead QA and validation for AI/ML systems in a GxP/GMP environment. Collaborate with data science, IT and business to design, validate, implement, and operate AI solutions under CSV/CSA. Author validation documentation, mitigate model and data risks, align stakeholders on compliant strategies, and drive continuous improvement and capability building in digital validation and model governance.

Seeking a motivated Software Developer to design and develop software applications, collaborate on architectural standards, and engage in agile practices.

As Engineering Manager for Sales Planning, you will lead a distributed team to develop tools for sales organization planning, partnering with Product and Design while ensuring quality execution and team growth.

Develop and execute test plans and automated testing, mentor junior QA engineers, and ensure software meets quality standards and customer requirements.

Seeking an experienced Data Engineer to design and maintain data pipelines and infrastructure, collaborating with data scientists and stakeholders.

The Machine Learning Engineer will create scalable ML systems, build production data pipelines, and ensure robust deployment and monitoring of solutions.

The Lead Software Engineer designs, develops, and maintains high-quality software solutions for enterprise financial systems, leading technical direction and mentoring teams through integrations and modernizations.

Lead the verification of Serdes systems, develop UVM/SV testbenches and test cases, and mentor junior engineers while ensuring design quality and integration.

As a Research Engineer in Sensor Simulation, you will develop multi-sensor rendering systems for self-driving technologies, collaborate with scientists and engineers, and work on innovative solutions using machine learning and neural rendering techniques.

The Senior Analyst will develop vertical-specific advertising solutions, work with cross-functional teams, and analyze data to drive marketing performance improvements.

As an AI Performance Architect, you will analyze and optimize AI workloads on Tensix architecture, linking architecture with software and hardware to enhance efficiency and scalability.

As a Power Architect at Tenstorrent, you'll drive architectural strategy to optimize power across AI compute systems, using advanced estimation tools and modeling techniques.

Lead rapid concept-to-production work using AI design tools and modern full-stack frameworks. Build accessible, performant frontends and robust backends, implement APIs, auth, caching, and databases, and collaborate with designers and AI builders to maintain design systems and deliver production-ready applications.

The Senior Developer will enhance self-service experiences, drive product growth through experimentation, and collaborate with cross-functional teams for measurable outcomes.

Design, build, and scale Snowflake ingestion pipelines and ML/LLM systems. Create agentic tooling to generate, test, and maintain pipelines. Collaborate with analysts, data scientists, and product teams to deliver reliable, high-performance data infrastructure and operationalize models for an AI-first e-commerce platform.

Own reliability, automation, and continuous delivery for the Insight Pension Platform. Build and maintain Azure DevOps CI/CD pipelines, manage 10+ environments, ensure platform security and compliance, respond to incidents, automate manual processes, coordinate releases with teams and vendors, and maintain operational runbooks and documentation while participating in Agile practices.

Senior Data Scientist supporting Canadian business units to design, develop, and deploy ML and GenAI solutions (including agents, chatbots, RAG, and vector-based retrieval). Translate business goals into analytics, perform feature engineering, model training/evaluation, prompt engineering, and mentor junior staff. Provide technical leadership, design artifacts, stakeholder communication, and drive continuous improvement.

Full‑stack developer building front-end web apps and back-end services, using AI-assisted and agentic tools. Implement RESTful APIs, write tests and metrics, monitor platform performance, collaborate with product/support, perform code reviews, and apply SDLC and security best practices.

Design, develop, and maintain scalable data pipelines on Azure Databricks. Translate business requirements into code, perform impact analysis, participate in code reviews, support production and UAT, and troubleshoot complex application issues to improve client-facing data solutions.

Build and scale customer-facing web applications and frameworks for data engineering workflows. Collaborate with product and design, deliver cross-team features, design APIs, ensure security and performance, mentor junior engineers, and contribute to product vision and planning.

Lead governance, maintenance, and enhancement of Anaplan and finance data processes. Ensure month/quarter close data integrity, support budgeting/forecast cycles, deliver reporting and ad hoc financial analysis, drive process improvement and automation, and manage a team of reporting/data resources while partnering across Finance, Technology, Data, and Risk stakeholders.