Sr Data Scientist, AI Products
W
Wealthsimple TechnologiesFinancial Technology
Remote (Canada)Full-TimeSenior
SalaryCA$151K - CA$189K; CA$151K – CA$189K
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Job Details
- Required Skills
- Artificial IntelligenceProduct AnalyticsData scienceA/B testing
Requirements
- Deep product sense: define success metrics, translate vague business objectives into measurable hypotheses, and measure product impact through A/B testing and causal inference.
- Experience with product analytics to derive actionable insights that inform product roadmaps.
- Proven track record of converting model outputs into business outcomes; comfortable communicating technical findings to cross-functional partners.
- Experience designing, training, and shipping production AI models, with depth in transformer architectures and LLMs.
- Solid fundamentals (attention, tokenization, embeddings, regularization) and failure mode analysis.
- Familiarity with fine-tuning (LoRA, adapters), knowledge distillation, quantization, and instruction tuning.
Responsibilities
- Lead the full AI product lifecycle: from identifying user pain points and defining KPIs to training foundation models and measuring real-world impact.
- Design and execute rigorous experiments (A/B tests, causal inference) to validate new AI features and drive product optimizations.
- Partner with Product Managers, Designers, and Engineers to translate business goals into a technical AI roadmap, ensuring our model development stays aligned with user needs and technical feasibility.
- Build and maintain production-grade training pipelines and evaluation harnesses using reproducible, well-tested code.
- Analyze production feedback and user interactions to iteratively refine models and maximize value.
- Foster a collaborative culture: mentor teammates, simplify complex problems, and drive iterative, high-impact delivery.
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