Ontario Data scientist Jobs – 658 Openings This Week

AI Engineering Lead
Definity Financial Corporation —Toronto, ON
- $108,700–$158,700 a year
- Full-time
- Hybrid work
- Doctoral degree
- Computer Science
- Engineering
- Tuition reimbursement
- Paid time off
Senior Research Scientist - AI Trainer
DataAnnotation —Cambridge, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Clinical Data Scientist - AI Trainer
DataAnnotation —Kincardine, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Specialist, AI Engineering
Definity Financial Corporation —Toronto, ON
- $92,000–$142,000 a year
- Full-time
- Hybrid work
- Computer Science
- Java
- Master's degree
- Tuition reimbursement
- Paid time off
AI Annotation Specialist Data Science - AI Trainer
DataAnnotation —St. Catharines, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Staff Applied ML Engineer
Kaseya Careers —Toronto, ON
- $220,000–$280,000 a year
- SQL
- Machine learning
- Mentoring
Lead Data Scientist
Sanofi EU —Toronto, ON
- $108,900–$157,300 a year
- Hybrid work
- Azure
- Doctoral degree
- Computer Science
6d
Senior Manager, Customer Resiliency Strategy and Analytics
Capital One - CA —Toronto, ON
- Full-time
- Hybrid work
- Analysis skills
- Bachelor's
- In-person
AI Governance and Security Risk Manager
Allevar —Toronto, ON
- $85 an hour
- Contract
- Hybrid work
- Mentoring
- AI
Quick apply
2d
Manager, AML/ATF Screening Models and Analytics, Global AML
Scotiabank —Toronto, ON
- Computer Science
- SQL
- Analysis skills
Data Scientist Manager
Sanofi EU —Toronto, ON
- $125,300.00–$180,966.66 a year
- Hybrid work
- Doctoral degree
- Computer Science
- English
6d
Senior Data Scientist
Agilus by Synergie —Toronto, ON
- $140,000–$160,000 a year
- Remote
- Machine learning
- Software development
- APIs
- Dental care
- Paid time off
Quick apply
Data Science Analyst
Industrial and Commercial Bank of China (Canada) —Richmond Hill, ON
- Temporary
- Oracle
- Computer Science
- Customer service
- Disability insurance
- Dental care
Quick apply
Academic Researcher - AI Trainer
DataAnnotation —Oakville, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Software Developer - Data and AI (12 month contract)
Hammond Power Solutions Inc. —Guelph, ON
- $96,800–$145,200 a year
- Hybrid work
- Azure
- Computer Science
- Software troubleshooting
- Paid time off
- Employee assistance program
Quick apply
Principal AI Engineer
Tangerine Bank —Toronto, ON
- Mentoring
- AI
- Leadership
Senior Analyst, AML/ATF Models and Analytics (1 Year Contract)
Scotiabank —Toronto, ON
- Contract
- SQL
- Bachelor's
- Organizational skills
Analytics Data Specialist
Home Hardware Stores Limited —St. Jacobs, ON
- $85,800–$128,600 a year
- Full-time
- Hybrid work
- Engineering
- SQL
- Analysis skills
- Disability insurance
- Dental care
Staff AI Engineer
Tangerine Bank —Toronto, ON
- System design
- Mentoring
- APIs
AI & Machine Learning Engineer, Level 17 or 18 - 803 EN
Export Development Canada | Exportation et développement Canada —Toronto, ON
- $84,698–$112,931 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- DevOps
- Relocation assistance
Quick apply
15h

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AI Engineering Lead

Definity Financial Corporation -
Toronto, ON

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Job details

Full-time
$108,700–$158,700 a year

Qualifications

Software engineering
Doctoral degree
Computer Science
MCP
Engineering
Spark
Strategic leadership
Google Cloud Platform
Java
Master's degree
SQL
Event-driven architecture
AWS
Bachelor's
Machine learning
Fraud detection
Mentoring
Software development
Solution architecture
AI
Software development or architecture experience
Python

Full job description

Definity is the parent company to some of Canada’s most long-standing and innovative insurance brands, including Economical Insurance, Sonnet Insurance, Family Insurance Solutions, and Petline Insurance. Our ambition is to be one of Canada’s leading and most innovative property and casualty insurers. We can’t do that without our people, so we embrace and encourage a culture that’s collaborative, ambitious, rewarding, and empowering.

We offer a flexible, hybrid work experience where employees work from the office and virtually depending on the type of work they are doing and who they are working with. Bring your true self and be a part of our journey. It’s better here.

The Opportunity

We are seeking a forward-thinking AI Engineering Lead to join our innovative team and drive the future of Property & Casualty (P&C) insurance. As an AI Engineering Lead, you will serve as a technical authority and strategic leader in developing and deploying sophisticated AI-powered solutions to drive business value and innovation across the P&C insurance value chain.

You will be instrumental in architecting and leading the implementation of our next-generation AI and data platforms, mentoring a team of talented engineers, and setting the technical direction for AI in this critical domain. You will be at the forefront of technological innovation, leveraging your expertise in data, AI models, and responsible AI to create impactful and scalable applications across underwriting, pricing, claims, and customer experience.

What to Expect

Define and execute the long-term technical strategy for AI-driven business solutions. Lead the architecture and development of scalable, real-time AI systems that address key challenges and opportunities in P&C, from conceptualization to production.
Spearhead the design and implementation of cutting-edge AI solutions using machine learning models (including LLMs, graph neural networks, and computer vision) tailored for key insurance business problems.
As the tech owner of our AI fraud prevention platform, you will Oversee the entire workflow from collecting and preparing data to putting models into production.
Act as a lead and mentor to other AI engineers and data scientists. Provide expert technical guidance on complex projects, foster a culture of innovation, and elevate the team's capabilities in building robust AI solutions.
Collaborate with senior leadership, underwriting, claims and other business and product teams to align AI initiatives with overarching business goals. Translate complex business problems into actionable technical strategies.

What you Bring

Mastery of Python and deep experience with AI/ML frameworks, Proven ability to write clean, high-performance, and maintainable code in Python, Java, SQL, and Spark.
Deep expertise in a wide range of AI/ML techniques. Extensive, hands-on experience building and deploying AI based applications, RAG pipelines, and agent-based workflows.
Extensive hands-on experience architecting and deploying scalable AI solutions on a major cloud platform (Google Cloud or AWS). Deep experience with Google Cloud, including Vertex AI and Gemini, is a significant asset.
AI Integration: Experience designing and working with A2A, MCP, Agentic RAG, and including conventional microservices, and event-drive architecture.
A bachelor's or master's degree in computer science, or Computer/Software Engineering, Data Science, Artificial Intelligence, or a related field; a Ph.D. is a plus.

Salary Range : $108,700-$158,700

Actual salary for the role may vary depending on work location of the successful candidate and other factors including but not limited to, skills, education, experience, working conditions and the local labour market.

This position is being posted to fill an existing vacancy.

Interested in this role, but don’t meet every requirement? We encourage you to apply! We know from experience that a candidate doesn’t need 100% of the qualifications listed to bring incredible value to our team. We’re actively seeking diverse backgrounds and perspectives to help us make insurance better. At Definity, inclusion, diversity, and equity aren’t just “nice to have” — they’re essential to our success.

What’s in it for you?

Hybrid work schedule for most roles
Company share ownership program
Incentive Program - Eligible employees may participate in various incentive plans which are paid out at the discretion of the company and subject to individual and company performance.
Pension and savings programs, with company-matched RRSP contributions
Paid volunteer days and company matching on charitable donations
Educational resources, tuition assistance, and paid time off to study for exams
Focus on inclusion with employee groups, support for gender affirmation surgery, access to BIPOC counsellors, access to programs for working parents
Wellness and recognition programs
Discounts on products and services

Go ahead and expect a lot — you deserve it.

It’s better here — but don’t take our word for it. Definity was named by Great Place to Work® as one of the Best Workplaces™ in Canada for women, for youth, and for inclusion.

Our inclusive work environment welcomes diversity and supports accessibility. If you require accommodation at any time during the recruitment process, please let us know by contacting [email protected].

As part of Definity’s commitment to reconciliation, we acknowledge that our work, meetings, and travel take place on the lands now known as Canada, and recognize the enduring presence, wisdom, and stewardship of the First Nations, Métis, and Inuit peoples who have long cared for these lands.

Background checks

This role requires successful clearance of background checks (including criminal checks and leadership references).

#LI-Hybrid

Apply Now

Refine Your Search

data scientist jobs in ontario

AI Engineering Lead

Senior Research Scientist - AI Trainer

Clinical Data Scientist - AI Trainer

Specialist, AI Engineering

AI Annotation Specialist Data Science - AI Trainer

Staff Applied ML Engineer

Lead Data Scientist

Senior Manager, Customer Resiliency Strategy and Analytics

AI Governance and Security Risk Manager

Manager, AML/ATF Screening Models and Analytics, Global AML

Data Scientist Manager

Senior Data Scientist

Data Science Analyst

Academic Researcher - AI Trainer

Software Developer - Data and AI (12 month contract)

Principal AI Engineer

Senior Analyst, AML/ATF Models and Analytics (1 Year Contract)

Analytics Data Specialist

Staff AI Engineer

AI & Machine Learning Engineer, Level 17 or 18 - 803 EN

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