Wealthsimple is on a mission to help everyone achieve financial freedom by reimagining money management. We are looking for a Staff Data Scientist to join our Sales Data Science team. You will build data products that simplify the conversion process for our clients and empower our teams with actionable insights.
What You'll Do
- Own the end-to-end analytical and modeling strategy for Account Transfers in a complex, high-impact problem space.
- Execute deep investigations across large, structured and unstructured datasets to uncover systemic failures and improvement opportunities.
- Design and build scalable data models and analytical frameworks for proactive failure identification and risk detection.
- Apply advanced modeling techniques like clustering, segmentation, and predictive modeling to identify client archetypes and institutional patterns.
- Partner with Product, CX, Operations, and Engineering leaders to translate insights into product roadmap decisions and operational processes.
- Build and productionize data products such as ML models, dashboards, and decision tools for direct workflow integration.
- Measure and communicate impact on transfer success rates, client experience, operational efficiency, and retention.
- Act as a technical leader, defining best practices for modeling, experimentation, and measurement.
- Mentor senior data scientists and raise the bar for analytical rigor.
- Influence data strategy beyond immediate team boundaries.
What We're Looking For
- 7–10+ years of experience in data science, applied statistics, machine learning, or operations research, with at least 3-5 years in Senior or Staff-level roles.
- Strong background working with complex, multi-step operational systems such as operations, payments, transfers, risk, or fraud.
- Experience applying operations research techniques like optimization, simulation, queuing theory, or decision modeling.
- Deep expertise in statistical analysis, experimentation, and inference on real-world data.
- Hands-on experience building predictive and prescriptive models for classification, regression, anomaly detection, or routing.
- Expert SQL skills, including complex joins, window functions, and performance optimization.
- Excellent Python skills for data analysis, modeling, optimization, and production-ready workflows.
- Experience working with large, messy, and incomplete datasets, including both structured and unstructured data.
- Excellent communication skills, with experience presenting complex results to non-technical stakeholders and influencing product or operational strategy.
- Track record of driving measurable business or client impact through data science and/or operations research work.
- Experience mentoring senior data scientists and raising analytical standards.
- Comfortable operating with high autonomy and making judgment calls under uncertainty.
Technical Stack
- SQL
- Python
Team & Environment
You will be part of the Sales Data Science team at Wealthsimple. Our teams ship often and make an impact with groundbreaking ideas, valuing collaboration and humility. We expect every team member to lean into new technologies, including AI, to rethink how we work and solve problems.
Benefits & Compensation
- Competitive salary with 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 Resource Groups.
Work Mode
This role is remote first and open to candidates across North America.
At Wealthsimple, we are building products for a diverse world and we need a diverse team to do that successfully. We strongly encourage applications from everyone regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status.
