Senior Data Scientist, Growth Data

Wealthsimple

. Serve as domain expert for a key marketing pillar and directly responsible individual for the domain area .

Posted 10/5/2026full-timeRemote • CanadaSenior💰 CA$151,000 - CA$189,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in digital marketing mechanics, including attribution modeling and multi-channel campaign performance, while leveraging strong technical skills in Python and SQL to build data products and optimize marketing strategies. Capable of driving insights through A/B testing and causal inference, with a proven ability to communicate complex concepts to diverse stakeholders.

Highest-signal resume keywords

Python ProgrammingSQL ProficiencyAttribution ModelingA/B TestingData-Driven Decision Systems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Algorithm DevelopmentCausal InferenceIncrementality AnalysisData Infrastructure DevelopmentExploratory AnalysisMarketing MeasurementMulti-Touch AttributionBudget OptimizationProduction-Quality CodeLifecycle Data Analysis

Soft Skills

Excellent CommunicationCritical ThinkingOwnershipAdaptabilityCollaboration

Tools & Technologies

AI ToolingAnalytics PipelinesDashboardsReporting ToolsAd Platforms

Industry Keywords

Digital MarketingMarketing AnalyticsConversion OptimizationData IntegrationCustomer Behaviour

Tech Stack

Tools & technologies

PythonSQL

About the role

Key responsibilities & impact

Serve as domain expert for a key marketing pillar and directly responsible individual for the domain area
Build data products and algorithms optimizing budget allocation, targeting strategies, and multi-channel campaign performance
Design and implement marketing measurement strategies, including attribution modeling, incrementality analysis, and multi-touch attribution
Drive marketing strategy through data insights, A/B testing, and causal inference to maximize marketing-spend ROI
Develop and maintain analytics pipelines and data infrastructure with data engineers and data scientists
Conduct exploratory analysis to identify growth opportunities, understand customer behaviour, and optimize marketing tactics
Provide reporting, dashboards, and ad-hoc analytics support to marketing stakeholders
Leverage AI tooling to handle operational tasks efficiently
Partner with Google, Meta, and other ad platforms and internal engineering teams on tracking, data integration, and measurement
Collaborate with Growth, Product, Engineering, marketing stakeholders, data engineers, and data scientists
Own projects end to end and ship simple, effective solutions

Requirements

What you’ll need

Understanding of digital marketing mechanics including attribution, ad platforms, tracking, and conversion optimization
Experience working with lifecycle data and understanding ways of reaching new and existing customers holistically
Strong technical skills in Python and SQL with experience building production-quality code
Proven track record in algorithm development, optimization problems, or building data-driven decision systems
Strong foundation in causal inference, A/B testing, and experimental design
Excellent communication skills and ability to translate complex technical concepts for non-technical stakeholders
Demonstrated ownership as the data DRI on complex projects end to end
Ability to use AI effectively while providing strategic guidance and critical thinking
Full-stack data science experience, from dashboards and reporting to sophisticated algorithm development
Ability to contribute to strategic direction in marketing analytics from day one with minimal ramp-up time
Experience with marketing measurement, attribution, and incrementality
Ability to adjust quickly to changing priorities and manage complexity
Willingness to teach, learn, and seek feedback
Experience at larger-scale tech companies developing internal analytics and optimization systems is ideal
Must be legally eligible to work in Canada

Benefits

Comp & perks

Equity compensation for permanent employees
Top-tier health benefits and life insurance
Long-term group savings with employer match, through Wealthsimple for Business
20 vacation days per year
4 wellness days per year
Unlimited sick and mental health days per year*
Ability to work outside Canada for up to 90 days per year*
Employee resource groups, including Rainbow (2SLGBTQ), Women of WS, and Black at WS
Remote-first work from anywhere in Canada
AI tooling to amplify impact and focus on strategic challenges
*Unlimited paid sick days, Wellness Days and the 90 day away program do not apply to certain roles.