Detail-obsessed Applied Data Scientist ensuring clean and reliable data. Collaborate with cross-functional teams to deliver data-driven solutions while managing the data quality process.
Responsibilities
Participate in the full modeling lifecycle, from statistical analysis and experimentation to building, validating, and iterating on machine learning models
Own the data foundation by preparing, cleaning and transforming raw, complex data into high-quality features for modeling
Investigate data discrepancies and design automated frameworks to ensure data accuracy
Act as a strategic liaison, collaborating with data Engineering and product teams to drive the data strategy
Create and maintain clear, authoritative documentation for data sources, cleaning processes, and variable definitions
Requirements
Bachelor’s degree (PhD preferred) in a quantitative field (Statistics, Physics, Mathematics, etc.)
Strong proficiency in Python (Pandas/NumPy) and SQL for complex querying and data manipulation
Hands-on experience with data cleaning techniques and data validation frameworks
Familiarity with data visualization tools to help identify and communicate data issues
Senior / Principal Data Scientist role focused on building and scaling GenAI and Agentic AI systems in production. Location: Toronto (Hybrid). Compensation up to $200K - 225k base.
Senior Data Scientist enhancing Reddit's user experience through data - driven projects. Collaborating with teams to analyze and model data for insights and strategies.
Senior Data Science Manager leading a team of data scientists to drive marketing analytics at Reddit. Focused on strategic insights and data - driven decision making for marketing efforts.
Staff Data Scientist leading strategy and execution for marketing intelligence efforts at Reddit. Focus on optimizing marketing spend and measuring effectiveness for long - term growth.
Data Scientist driving product strategy and user engagement at Reddit. Analyzing data and collaborating with teams to enhance user experiences in online communities.
Data Scientist on Aviva's Fraud Data Science team transforming large datasets into actionable insights. Designing and deploying machine learning models to enhance fraud detection capabilities.
Data Science Student undertaking challenging work assignments in analytics and machine learning at PCL. Collaborating under supervision in a supportive environment for personal and professional growth.