Wealthsimple Technologies - Sr Data Scientist, AI Products
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 (PMs, designers, engineers) to drive alignment. • 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. • Background in recommender systems, representation learning, or self-supervised learning; production LLM application development; open-source contributions or publications in AI.
Benefits
• 🌸 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 • ✈️ 90 days away: work outside Canada for up to 90 days per year • 👥 Employee resource groups, including Rainbow (2SLGBTQ), Women of WS, and Black at WS • 🌎 We are a hybrid team with over 1,500 employees across North America. The people are one of the best parts of working here: you'll collaborate with incredibly talented, curious, and driven teammates who are deeply committed to doing great work. • Technology & Innovation at Wealthsimple: We move quickly and build thoughtfully. That means we're always looking for better ways to work — whether that's new tools, AI, or rethinking how we approach a problem. We don't expect you to have all the answers, but we do expect curiosity and a willingness to evolve alongside the products we're building. • Inclusion Statement: We're building products for a diverse world, and we need a diverse team to do it well. We strongly encourage applications from everyone, regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status. • Accessibility Statement: We're committed to an accessible hiring experience. If you need any accommodations throughout the interview process, please let us know — we'll work with you to make sure you have what you need. We also welcome any feedback on how we can better accommodate candidates with accessibility needs. • AI in Hiring: We may use artificial intelligence (AI) tools to support parts of our hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our team but don't replace human judgment – all final hiring decisions are made by people. If you have questions about how your data is used, reach out to us.
Apply in one click
Upload My Resume
Drop here or click to browse · Tap to choose · PDF, DOCX, DOC, RTF, TXT