Senior Data Scientist

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About the role

  • Senior Data Scientist developing machine learning, GenAI agents, and analytics solutions for Sun Life’s Canadian financial-services business units. Leading technical delivery, stakeholder recommendations, and mentoring.

Responsibilities

  • Translate business goals into analytical problems
  • Identify optimal algorithms, statistical techniques, and GenAI architectures for business problems
  • Develop ML and data science products, including GenAI applications, in cross-functional teams
  • Apply descriptive, predictive, and machine learning methods from design through implementation
  • Perform feature engineering, model training, model evaluation, and LLM prompt engineering
  • Design, develop, and deploy GenAI solutions including AI agents, chatbots, and autonomous systems
  • Research and pilot GenAI technologies, RAG techniques, and agentic frameworks
  • Implement AI bots and agents with reasoning and tool-use capabilities
  • Use vector databases and embedding models for intelligent information retrieval
  • Break broader data science milestones into actionable goals and work plans
  • Create and maintain technical design artifacts covering functionality, data models, interfaces, and integrations
  • Engage and negotiate with stakeholders and present business recommendations and findings
  • Champion continuous improvement and innovation within the analytics community
  • Mentor and guide junior data scientists and data engineers

Requirements

  • Bachelor’s degree in computer science, Statistics, Mathematics, or related field, or equivalent experience
  • 5+ years of experience developing and implementing data science techniques
  • Proficiency in Python for data science and GenAI application development
  • Experience writing complex SQL and PySpark queries
  • Proficiency in supervised and unsupervised machine learning
  • Experience with data transformation, data manipulation, and structured and unstructured data
  • Strong understanding of APIs, microservices architecture, and cloud-native development
  • Hands-on expertise with GenAI frameworks and LLM APIs
  • Experience developing AI bots and agents with reasoning and tool-use capabilities
  • Strong understanding of RAG techniques, prompt engineering, and fine-tuning methodologies
  • Familiarity with vector databases and embedding models
  • Experience with chatbot development concepts and conversational AI design
  • Exceptional communication and storytelling skills for technical and non-technical stakeholders
  • Ability to manage multiple projects and changing deadlines and priorities
  • Ability to mentor and guide junior data scientists and data engineers
  • Strong problem-solving and analytical skills with attention to detail
  • Reliability Status Clearance required before starting employment
  • Must satisfactorily complete applicable background checks during the application process and employment
  • Nice to have: AWS services including SageMaker, Lambda, Bedrock, and other AI/ML services
  • Nice to have: Data warehousing, pipelines, and big data technologies including AWS Glue, Glue Catalog, Glue Data Quality, and AWS Step Functions

Benefits

  • Wellness programs supporting mental, physical, and financial health
  • Variety of career paths and networking opportunities
  • Hybrid work flexibility between home and office
  • Supportive, flexible, and inclusive work environment
  • Learning, growth, and career development opportunities
  • Employee participation in various discretionary incentive plans, subject to individual and company performance
  • Accommodation support during the application process

Job type

Contract

Experience level

Senior

Salary

CA$90,000 - CA$140,000 per year

Degree requirement

Bachelor's Degree

Tech skills

AWSCloudMicroservicesPySparkPythonSQL

Location requirements

HybridTorontoCanada

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