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Wealthsimple

All of your investing, made simple.

Senior Data Scientist, Marketing Data

Data ScientistData ScientistFull TimeRemoteSeniorTeam 1,001-5,000Since 2014H1B No SponsorCompany SiteLinkedIn

Location

Canada

Posted

113 days ago

Salary

CA$151.2K - CA$189K / year

Seniority

Senior

Bachelor Degree5 yrs expEnglishPythonSQL

Job Description

Senior Data Scientist, Marketing Data

Wealthsimple

• Build data products and algorithms that optimize marketing performance—including budget allocation, targeting strategies, and campaign optimization across multiple channels. • Design and implement measurement strategies for marketing initiatives, including attribution modeling, incrementality analysis, and multi-touch attribution. • Drive marketing strategy through data insights, A/B testing, and causal inference methodologies to maximize ROI on marketing spend. • Develop and maintain analytics pipelines and data infrastructure, working collaboratively with data engineers and other data scientists. • Conduct exploratory analysis to identify growth opportunities, understand customer behavior, and optimize marketing tactics. • Provide business-as-usual analytics support including reporting, dashboards, and ad-hoc analysis for marketing stakeholders. • Leverage AI tooling to handle operational tasks efficiently and focus your expertise on high-impact strategic problems. • Partner with ad platforms (Google, Meta, etc.) and internal engineering teams to ensure robust tracking, data integration, and measurement capabilities. • Take ownership and ship it—continuously look for the simplest, most effective way to approach challenges; Occam's razor is your friend.

Job Requirements

  • Strong preference for prior experience working with marketing teams and paid advertising platforms (Google Ads, Meta Ads, programmatic advertising, etc.)
  • Understanding of digital marketing mechanics including attribution, ad platforms, tracking, and conversion optimization.
  • Strong technical skills in Python and SQL with experience building production-quality code.
  • Experience with measurement and attribution—ideally including building in-house attribution systems (not just using off-the-shelf tools like Google Analytics).
  • 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.
  • Has full-stack data science experience—comfortable with everything from dashboards and reporting to sophisticated algorithm development.
  • Can contribute to strategic direction in marketing analytics from day one with minimal ramp-up time.
  • Thrives in a collaborative, multi-faceted environment with ongoing alignment across stakeholders and data team members.
  • Is passionate about measurement and understanding what drives business outcomes—navigating the complexities of attribution and incrementality.
  • Ideally has worked at larger-scale tech companies that develop internal analytics and optimization systems.
  • Adjusts quickly to changing priorities and effectively manages complexity in a fast-paced growth environment.
  • Values simplicity and pragmatism—knows when to build sophisticated solutions and when a simpler approach will suffice.
  • Is eager to teach and learn. We value making each other successful!
  • Is a lifelong learner who's constantly seeking feedback to continue improving their craft

Benefits

  • Top-tier health benefits and life insurance
  • Long-term group savings with employer match using our Wealthsimple for Business platform
  • 20 vacation days + 4 wellness days per year, and unlimited sick and mental health days
  • 90 days away program: Employees can work outside of Canada for up to 90 days per calendar year
  • A wide variety of peer and company-led Employee Resources Groups (e.g., Rainbow, Women of Wealthsimple, Black @ WS)

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