Job Description: Please note this is a one year contract role.

Role Summary Within Sun Life, the Data Science Chapter comprises of savvy and intellectually curious professionals who are on a mission to transform how we apply data and analytics to support Sun Life becoming client centric.

An integral part of the Data and Analytics organization, the Data Science Chapter supports Canadian business units in their journey to leverage data and analytics as a foundational pillar in delivering business value.

Reporting to the Data Science Manager as a Data Scientist you will focus on supporting Canadian business units in accelerating the growth and application of advanced analytics in driving value.

The data scientist will leverage practical experience in applying varied data science techniques & offering advice/inputs to help with the design, development and implementation of analytics use cases.

Sun Life views success in this role in demonstration of these key attributes: Fierce curiosity.

You are drawn to discovering and leveraging data and taking on challenging business problems.

An inquisitive mind.

Driven to ask questions to help lead projects to business value and not being afraid that the innovation attempts can and will lead to failing. A passion for solving problems.

Technical skills in both data and computer science.

There are 3 core technical skills we look for: in-depth coding knowledge of an analytical tool(s) (i.e., Python); data science techniques and concepts; working with structured data and unstructured data.

Thirst for learning.

You are a data scientist who is constantly updating their knowledge of data science state-of-the-art.

Key Responsibilities: Data Science and Machine Learning Translate business goals into analytical problems; Identify optimal algorithms, statistical techniques, traditional ML suitable for the business problem at hand.

Work in cross-functional teams to develop ML/data science products Apply best-in-breed data science techniques including descriptive, predictive,



and machine learning methods from design to implementation Focus on feature engineering, model training and model evaluation Use AWS services including Sage

Maker, Lambda and other AI/ML services Work with data warehousing, pipelines, and big data technologies such as AWS Glue for ETL, Glue Catalog, Glue Data Quality, and AWS Step Functions.

Technical Leadership & Collaboration Break down broader data science development milestones into actionable goals, activities, and work plans Create and maintain technical design artifacts describing application functionality, data models, interfaces, and integrations Engage and negotiate with stakeholders, make business recommendations with effective presentations of findings at multiple levels of stakeholders Champion continuous improvement and foster innovation within the analytics community Education & Experience Bachelor's or Master's degree in Statistics, Mathematics, Computer Science, Engineering, or related field (or equivalent experience) 1-2 years of experience developing and implementing data science solutions Technical Skills Programming: Proficient in Python for data science and application development Data Engineering: Experience writing complex SQL and PySpark queries to extract and integrate data from multiple sources Statistical Knowledge: Solid understanding of hypothesis testing, causal inference, and model evaluation metrics Cloud Platform: Experience with AWS, particularly Sage

Maker for training and deploying ML models Machine Learning: Proficiency in supervised and unsupervised models Data Handling: Demonstrated experience in data transformation, manipulation, and working with structured vs.



unstructured data Architecture: Strong understanding of APIs, microservices architecture, and cloud-native development Core Competencies Exceptional communication skills to articulate complex technical concepts to both technical and non-technical audiences Effective oral and written storytelling and insights communication abilities Proven ability to manage multiple projects simultaneously with changing deadlines and priorities Strong problem-solving abilities and analytical skills with keen attention to detail Preferred Qualifications Hands-on experience with GenAI frameworks and LLM APIs, including developing AI bots/agents with reasoning and tool-use capabilities Deep understanding of RAG techniques, prompt engineering, and fine-tuning methodologies Familiarity with vector databases and embedding models Experience with containerization (Docker) and CI/CD concepts What’s in it for you: We’re honoured to be recognized as a 2026 Best Workplaces in Canada by Great Place to Work® Canada.

Wellness programs that support the three pillars of your health – mental, physical, and financial The opportunity to move along a variety of career paths with amazing networking potential.

As a hybrid organization, you and your leader use business and Client need to choose where you work, at home or in the office Unique Requirements: This role requires Reliability Status Clearance.

In addition to a law enforcement inquiry and a credit check, as part of your application, the Government of Canada will ask if you lived or travelled outside of Canada for 6-consecutive months during the last 5 years, and you must account for all activities during this time.

Significant: Obtaining Reliability Status Clearance within a reasonable amount of time is a condition required to start employment for this role at Sun Life.

Must be able to satisfactorily complete applicable background checks prior to the start date and during employment, in accordance with Sun Life’s policies and practices.

📌 Data Scientist (Toronto)
🏢 Sun Life
📍 Toronto