Data Scientist Jobs in Ontario, Canada

Acquisition and Performance Marketing team at Autodesk builds statistical models and measurement frameworks to optimize revenue across the customer lifecycle. The Data Scientist develops predictive and forecasting models, designs experiments, and translates insights into actionable recommendations for senior leaders.

Corporate Development and Analytics team at Greenhouse builds data products to drive strategic decisions. The Data Scientist designs and maintains production‑grade pipelines, conducts deep statistical analyses, and partners with product managers to embed telemetry and inform executive roadmaps.

Engineering – Data Science at Warner Music Group builds data-driven insights that power artist growth and fan engagement. The Data Scientist translates billions of streaming signals into predictive models for audience behavior, commercial performance, and marketing impact, collaborating with affiliates, labels, and merchandising teams.

Data Science & Analytics team within Go-to-Market Data Intelligence at Autodesk builds predictive models and AI solutions to inform customer and market decisions. The Senior Data Scientist designs, develops, validates, and deploys data science products, collaborates with cross‑functional stakeholders, and mentors junior team members.

Klick Consulting partners with life‑science clients to turn complex healthcare, commercial and marketing data into actionable insights. As a Freelance Data Scientist you will design and execute Python‑based analytics, including NLP, clustering and predictive modeling, then translate findings into clear visual stories for senior stakeholders.

Consumer Data Science team at Reddit builds data‑driven insights to power community growth and engagement. The role analyzes large user behavior datasets, builds predictive models, and collaborates with product and engineering to inform feature prioritization.

Staff Data Scientist on Reddit’s Consumer Data Science team, driving product strategy by uncovering opportunities to attract users, boost engagement, and enhance retention. Designs metrics, leads experimentation, and builds self‑serve tools to elevate data literacy across product, engineering, and design.

Senior Data Scientist II at LexisNexis Canada, leading AI and machine learning model development, mentoring junior data scientists, collaborating with cross‑functional teams, designing APIs, and overseeing production scaling. Requires advanced or master’s in CS/Math/Stats, expertise in large language models (BERT, RoBERTa, T5, GPT, Claude, Mistral, Phi), deep learning, gradient boosting, random forests, Python/R, and big data tools (Hadoop, Spark, AWS).

Experience Foundations team at Autodesk builds the AI‑powered experiences that enable customers to design and make anything. As a Senior Principal Data Scientist you will create predictive models, define telemetry standards, and develop frameworks for measuring and improving agentic product workflows.

Senior Staff Data Scientist on Reddit’s Consumer team, the technical authority on relevance metrics and evaluation, shaping how the platform measures content quality and guides product strategy. The role designs metrics frameworks, offline evaluation, and experiments for feeds, search, and recommendation systems, translating model performance into user-facing impact.

Senior Staff Data Scientist on Reddit’s Consumer team, the go‑to expert on experimentation methodology, shaping how Reddit learns from complex, networked experiments. The role designs and implements causal inference methods for network effects, builds self‑serve experimentation tools, and translates insights into product strategy.

Data Science team at StackAdapt builds AI-powered advertising solutions that optimize campaigns in real time. The Senior Machine Learning Engineer designs modular, scalable pipelines, implements custom low‑latency ML algorithms, and develops microservice architectures for training and inference across thousands of models.

Rocket Innovation Studio (RIS) builds fintech platforms that enable data-driven decision-making for Rocket Mortgage. The Machine Learning Developer designs and implements frameworks for training, serving, and monitoring ML models, collaborates with data scientists, and builds services that integrate models into business processes.

Principal /Staff level Engineer- Machine Learning at Autodesk leads data‑driven innovation for the company’s B2C eCommerce platforms. The role blends data science and software engineering, building end‑to‑end ML pipelines that power personalized recommendations, segmentation, forecasting, churn prediction, and product analytics.

The Staff ML Platform Engineer will develop and enhance the core infrastructure for Afresh's machine learning solutions. This role focuses on improving performance, reliability, and scalability of the ML platform, enabling faster innovation and impact.

Data Science Team at Reddit seeks a Senior Data Science Manager to lead a high‑performing group focused on Marketing & Business Development. The role drives causal measurement, LTV modeling, and strategic insights that shape budget allocation and growth initiatives across product, engineering, and marketing.

Responsible AI Research Scientist‑Manager at Autodesk Research leads cutting‑edge research on safe, reliable, and trustworthy AI across domains such as design systems, computer vision, graphics, robotics, and sustainability. Working with a global team of scientists, engineers, and designers, the role focuses on developing new ML models and AI techniques that prioritize safety and societal benefit.

Pfizer Gastro/Rheum Sales team drives specialty pharmaceutical growth in Canada by partnering with gastroenterology and rheumatology specialists and care networks. The Representative builds regional business plans, promotes scientific data, and supports learning initiatives to improve patient care.

Medical Science Liaison (MSL) in AstraZeneca’s Respiratory team, field‑based role engaging KOLs, delivering scientific presentations, synthesizing data, supporting trials and real‑world evidence, and informing medical strategy. Requires advanced degree in biological sciences, respiratory/immunology experience, strong communication, project leadership, and willingness to travel within territory, including evenings/weekends.

Cencora seeks a Bilingual Drug Safety Associate to support its pharmacovigilance team across Canada. The role involves receiving, scanning, and documenting clinical information in compliance with PON protocols and applicable laws.