Ontario Remote data scientist Jobs – 220 Openings This Week

Clinical Data Scientist - AI Trainer
DataAnnotation —Kincardine, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Bilingual
- Doctoral degree
- Computer Science
- Flexible schedule
Quick apply
7d
Data Scientist - AI Trainer
DataAnnotation —Markham, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Bilingual
- Doctoral degree
- Computer Science
- Flexible schedule
Quick apply
7d
Data Scientist
FutureFit AI —Toronto, ON
- $100,000–$155,000 a year
- Full-time
- Remote
- SQL
- AWS
- Travel
Data Scientist, Analytics (Remote, Canada)
Zesty.ai —Toronto, ON
- Remote
- Doctoral degree
- Computer Science
- Engineering
- Paid time off
Quick apply
10h
Clinical Data Scientist - AI Trainer
DataAnnotation —Nepean, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Bilingual
- Doctoral degree
- Computer Science
- Flexible schedule
Quick apply
7d
Clinical Data Scientist - AI Trainer
DataAnnotation —Newmarket, ON
- $50.00–$140.56 an hour
- Contract
- Remote
- Bilingual
- Doctoral degree
- Computer Science
- Flexible schedule
Quick apply
7d
Data Administrator (Remote - Canada ONLY)
Ample Insight Inc. —Toronto, ON
- Contract
- Remote
- Microsoft Powerpoint
- Microsoft Excel
- Customer service
Quick apply
Data Scientist, Data Intelligence
World Vision Canada —Mississauga, ON
- $78,400–$98,000 a year
- Full-time
- Azure
- Doctoral degree
- Computer Science
Quick apply
12d
FinTech Data Scientist
BESPOKE ORIGINAL DESIGN INCORPORATED —Toronto, ON
- $2,400 a week
- Part-time
- Hybrid work
- Java
- Databases
- SQL
Quick apply
Lead Data Scientist (remote)
Ample Insight Inc. —Toronto, ON
- Remote
- Doctoral degree
- Computer Science
- DevOps
Quick apply
Data Engineer | Toronto or Remote
SearchVelocity —Toronto, ON
- Remote
- Computer Science
- Engineering
- SQL
- Flextime
Bioinformatics Analyst
DNAstack —Toronto, ON
- $100,000–$150,000 a year
- Full-time
- Remote
- Azure
- Engineering
- Laboratory experience
- Dental care
- Vision care
Quick apply
Senior Data Scientist - Shopping Experience (Search)
Instacart —Ontario
- $161,000–$170,000 a year
- Remote
- Computer Science
- SQL
- Bachelor's
Senior Data Scientist
Northbeam —Toronto, ON
- $170,000–$200,000 a year
- 8 hour shift
- Remote
- Doctoral degree
- Computer Science
- Master's degree
- Dental care
- Paid time off
Quick apply
Data Engineer/Data Scientist
Recutify Inc. —Toronto, ON
- Full-time
- Remote
- Azure
- Oracle
- Computer Science
Quick apply
Senior Data Scientist
Celestica —Toronto, ON
- Remote
- Azure
- SQL
- Machine learning
Senior Data Scientist
Coalition, Inc. —Toronto, ON
- $123,600–$187,000 a year
- Remote
- Computer Science
- Databases
- SQL
- Dental care
- Paid time off
Quick apply
Senior Data Scientist
DAC Group / Canada Ltd. —Toronto, ON
- $90,000–$130,000 a year
- Full-time
- Hybrid work
- Master's degree
- SQL
- Business development
- Dental care
- Tuition reimbursement
Quick apply
Senior Data Scientist - Computer Vision (Remote, Canada)
Zesty.ai —Toronto, ON
- Remote
- Doctoral degree
- Computer Science
- Engineering
- Paid time off
Quick apply
11d
Senior Data Scientist
Curinos Inc —Toronto, ON
- $110,000–$124,000 a year
- Full-time
- Hybrid work
- Computer Science
- CAD
- AWS
- Paid time off
- Employee assistance program
Quick apply
5d

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Clinical Data Scientist - AI Trainer

DataAnnotation -
Kincardine, ON

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Job details

Contract | Fixed term contract
$50.00–$140.56 an hour
7 days ago

Qualifications

Bilingual
Statistics
Doctoral degree
Computer Science
Writing skills
Engineering
Mathematics
English
Google Cloud Platform
Master's degree
AWS
Bachelor's

Full job description

DataAnnotation is committed to creating quality AI. Help train AI chatbots while gaining the flexibility of remote work and choosing your own schedule.

We are looking for an existing Clinical Data Scientist - AI Trainer to help train AI models. AI models are increasingly capable of performing complex analytical and scientific reasoning — but these systems still need practitioners with real-world quantitative experience to validate whether the outputs actually hold up in practice. That's where you come in.

You'll work closely with state-of-the-art AI models on tasks like evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback that directly shapes how these systems reason about data, models, and scientific problems. Whether your background is in data science, astrophysics, economics, biostatistics, operations research, or any other quantitative field, if you think rigorously about data and models, your skills are directly applicable here. You can fit this work alongside a full-time role, or treat it as your primary focus, choosing projects and schedules that align with your availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass, you'll receive an email confirmation, and paid work will become available on our platform.

Advantages of contracting with us:

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
Competitive pay: projects are paid hourly at $50 to $100 USD per hour, with bonus rates available on some projects.
Impact: help shape the future of AI systems built to reason about data and analytics.

Responsibilities:

Evaluate AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical accuracy and real-world validity.
Design and solve quantitative problems used to train and benchmark AI systems, spanning areas like forecasting, experimental analysis, optimization, and statistical inference.
Write clear technical explanations and well-documented analytical code.
Provide feedback that directly shapes the next generation of AI models built for quantitative reasoning.

Qualifications:

3+ years of hands-on experience in a quantitative role or research environment — such as data science, statistics, economics, finance, physics, biology, epidemiology, operations research, or any adjacent field.
Some coding experience required, with comfort writing and reviewing analytical code end-to-end.
Practical experience with statistical methods, predictive modeling, and experiment design (e.g., A/B testing, hypothesis testing, regression, classification, time-series forecasting).
Fluency in English (native or bilingual level) with strong writing skills.
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD) is a plus.
Relevant credentials are a plus (e.g., Kaggle Competition ranking, AWS/GCP ML certifications, or equivalent demonstrated expertise).

Note: Payment is made via PayPal. We will never ask for any money from you. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.

Quick apply

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remote data scientist jobs in ontario

Clinical Data Scientist - AI Trainer

Data Scientist - AI Trainer

Data Scientist

Data Scientist, Analytics (Remote, Canada)

Clinical Data Scientist - AI Trainer

Clinical Data Scientist - AI Trainer

Data Administrator (Remote - Canada ONLY)

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Lead Data Scientist (remote)

Data Engineer | Toronto or Remote

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Senior Data Scientist - Shopping Experience (Search)

Senior Data Scientist

Data Engineer/Data Scientist

Senior Data Scientist

Senior Data Scientist

Senior Data Scientist

Senior Data Scientist - Computer Vision (Remote, Canada)

Senior Data Scientist

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