Senior Data Scientist

Scotiabank

📍 Toronto, Ontario, Canada

Full-time Mathematical Science Occupations

Job Description

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In this role you will:

Build & Ship AI Products (Core Focus)

  • Design, develop, and deploy production-grade AI applications, including both enhancements to existing platforms and net-new AI products.

  • Write high-quality Python and SQL to support data analysis, model development, prompt engineering, and system integration.

  • Own your solutions end-to-end — from ideation through development, deployment, monitoring, and iteration.
  • Lead AI Architecture Decisions

  • Evaluate and define the technical architecture for AI solutions, including: RAG pipelines and vector-based retrieval
    Agentic and workflow-oriented GenAI systems
    Financial modeling and analytical algorithms

  • Assess technical trade-offs across build vs. buy, model selection, infrastructure, cost, latency, and risk.

  • Partner with platform, security, and data teams to ensure solutions are scalable, secure, ...
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