Wealthsimple
Sr Data Scientist, AI Products
Remote (Canada) · Senior
Sponsorship not specifiedDetected 18 days ago
Full-Stack DevelopmentData EngineeringData ScienceNLPLLMsLLMOpsA/B TestingAccessibilityProduct ManagementResearch
About the role
- The company offers a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading, cryptocurrency, tax filing, spending and saving.
- Wealthsimple currently serves more than 4 million Canadians and holds over $125 billion in assets under administration.
- We're proud of what we've built - and we're just getting started.
Responsibilities
- from model architecture and data pipelines to designing experiments that drive real-world impact for over 4 million Canadians.
- 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.
- you'll collaborate with incredibly talented, curious, and driven teammates who are deeply committed to doing great work.
Requirements
- Experience with product analytics to derive actionable insights that inform product roadmaps.
- Proven track record of converting model outputs into business outcomes
- Experience designing, training, and shipping production AI models, with depth in transformer architectures and LLMs.
- Familiarity with fine-tuning (LoRA, adapters), knowledge distillation, quantization, and instruction tuning.
- Deep product sense: define success metrics, translate vague business objectives into measurable hypotheses, and measure product impact through A/B testing and causal inference.
- comfortable communicating technical findings to cross-functional partners (PMs, designers, engineers) to drive alignment.
- Solid fundamentals (attention, tokenization, embeddings, regularization) and failure mode analysis.
- Background in recommender systems, representation learning, or self-supervised learning
- WHY WEALTHSIMPLE?
- 🌸 Top-tier health benefits and life insurance
- 📈 Long-term group savings with employer match, through Wealthsimple for Business
- 🌴 20 vacation days, 4 wellness days, and unlimited sick and mental health days per year
Nice to have
- production LLM application development
- open-source contributions or publications in AI.
Compensation
- 🌴 20 vacation days, 4 wellness days, and unlimited sick and mental health days per year
Benefits
- Background in recommender systems, representation learning, or self-supervised learning; production LLM application development; open-source contributions or publications in AI.
Company info
- mentor teammates, simplify complex problems, and drive iterative, high-impact delivery.
- The company was founded in 2014 by a team of financial experts and technology entrepreneurs, and is headquartered in Toronto, Canada.
- Read our Culture Manual https://www.wealthsimple.com/en-ca/culture and learn more about how we work https://www.wealthsimple.com/en-ca/careers.
- We are looking for a Senior Data Scientist who thrives at the intersection of AI research and product development.
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This listing is sourced directly from Wealthsimple's careers page and normalized into a canonical job model.