Senior Data Scientist

4 days ago


Sun Life Toronto One York, Canada Sun Life Full time

You are as unique as your background, experience and point of view. Here, you'll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do. Discover how you can make a difference in the lives of individuals, families and communities around the world.

Job Description:

Role Summary:

Within Sun Life's Corporate IT team, we're seeking a Senior Data Scientist with strong GenAI expertise to join our mission of transforming how we apply data, analytics, and artificial intelligence to support Sun Life's client-centric approach. As a key member of the Data team, you'll accelerate the growth and application of analytics and generative AI in driving business value across our organization.

Key Responsibilities:

  • Engage with business stakeholders to translate business goals into analytical problems and AI solutions
  • Develop AI/ML data science products, with a focus on generative AI systems and large language models (LLMs)
  • Apply advanced data science techniques, including descriptive, predictive, and machine learning methods
  • Design and implement generative AI solutions that create human-like content and solve complex problems autonomously
  • Optimize AI performance and address ethical considerations in AI development - Provide guidance on feature engineering, model training, and evaluation
  • Make data-driven business recommendations and present findings to various stakeholders - Contribute to and help grow the data science and AI community at Sun Life

Required Qualifications:

  • BSc/M.S. in a statistical, mathematical, or technical field (e.g., computer science) or equivalent experience
  • 3+ years experience in developing and implementing data science techniques
  • 3+ years experience in developing generative AI systems, working with LLMs, and optimizing AI performance - Proficiency in SQL and statistical programming languages (e.g., Python)
  • Experience with AWS services, including SageMaker - Expertise in machine learning, including supervised and unsupervised models
  • Experience with data transformation, manipulation, and working with structured/unstructured data
  • Knowledge of technologies like Hadoop, HDFS, Hive, HBase, and Spark - Strong communication and storytelling skills for insights presentation
  • Ability to manage multiple projects and guide junior team members

Preferred Qualifications:

  • Experience in life insurance, wealth management, or other financial services
  • Familiarity with Agile delivery models
  • Experience deploying production-grade models in cloud infrastructure
  • Knowledge of ethical AI practices and staying current with evolving GenAI technologies

At Sun Life, we value fierce curiosity, an inquisitive mind, and a passion for solving complex problems. The ideal candidate will continuously update their knowledge of data science and AI state-of-the-art techniques.

Note: As a condition of the role, the successful candidate must obtain a Government of Canada Reliability Status security clearance through Sun Life.

Join us in leveraging cutting-edge data science and generative AI to drive innovation and deliver value to our clients

The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.  

Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds.

Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to

We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you Several work options are available and can be discussed throughout the selection process depending on the role requirements and individual needs.

We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.

We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.

Salary Range:

90,000/ ,000/140 000

Job Category:

IT - Technology Services

Posting End Date:

28/01/2026
  • Senior Data Scientist

    8 hours ago


    Toronto, Canada Johnson & Johnson Full time

    Overview At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to...

  • Senior Data Scientist

    8 hours ago


    Toronto, Canada Johnson & Johnson Full time

    At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across...

  • Data Scientist

    3 weeks ago


    Toronto, Canada Insight Global Full time

    This range is provided by Insight Global. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$55.00/hr - CA$65.00/hr Ability to go on site downtown 2-3 days per week is mandatory Required Skills & Experience 2+ years of experience building and deploying machine learning models 2+ years of...

  • Data Scientist

    3 weeks ago


    Toronto, Canada Insight Global Full time

    This range is provided by Insight Global. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range CA$55.00/hr - CA$65.00/hr Ability to go on site downtown 2-3 days per week is mandatory Required Skills & Experience 2+ years of experience building and deploying machine learning models 2+ years of...

  • Senior Data Scientist

    3 minutes ago


    Toronto, Canada Massive Insights Full time

    Senior Data Scientist Massive Insights Inc. is at the forefront of data-driven decision-making and is seeking a talented Senior Data Scientist to join our innovative team. In this role, you will leverage your deep understanding of data science and advanced analytics to drive insights for our clients, helping them turn complex data into actionable strategies....

  • Senior Data Scientist

    3 minutes ago


    Toronto, Canada Moneris Full time

    Join to apply for the Senior Data Scientist role at Moneris Join to apply for the Senior Data Scientist role at Moneris Get AI-powered advice on this job and more exclusive features. Your Moneris Career - The OpportunityWe are looking for a Your Moneris Career - The OpportunityWe are looking for a Senior Data Scientist to join our team in a role that blends...

  • Senior Data Scientist

    4 minutes ago


    Toronto, Canada Intact Full time

    Join to apply for the Senior Data Scientist role at Intact About The Role We’re looking for a Senior Data Scientist to join our growing team! What You'll Do Here Design and develop end-to-end AI solutions to tackle real business cases. Lead the exploration, implementation, and testing of new NLP solutions. Transform complex and unstructured data into...


  • Toronto, Canada Mastercard Data & Services Full time

    JOB DESCRIPTION Our PurposeTitle and SummaryLead Field Data ScientistWho is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks,...

  • Senior Data Scientist

    2 weeks ago


    Toronto, Canada Sun Life Financial Full time

    You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll...

  • Senior Data Scientist

    8 hours ago


    Toronto, Canada Sun Life Financial Full time

    You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll...