Canada Scientist Jobs – 614 Openings This Week

Senior Research Scientist - AI Trainer
DataAnnotation —Slave Lake, AB
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Principal Data Scientist - AI Trainer
DataAnnotation —Red Deer, AB
- $50.00–$140.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Cell-Based Assay – Senior Scientist
Signalchem Biotech Inc. —Richmond, BC
- From $85,000 a year
- Full-time
- Doctoral degree
- Laboratory experience
- Master's degree
- Dental care
- Paid time off
Quick apply
14d
Clinical Data Scientist - AI Trainer
DataAnnotation —Kelowna, BC
- $70.78–$141.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Optical Fiber Scientist
CORACTIVE HIGH-TECH INC. —Quebec City, QC
- Full-time
- Doctoral degree
- Engineering
- English
- Designated paid holidays
- Disability insurance
Quick apply
Applied Scientist - AI Trainer
DataAnnotation —Kelowna, BC
- $70.78–$141.56 an hour
- Contract
- Remote
- Doctoral degree
- Computer Science
- Writing skills
- Flexible schedule
Quick apply
Research Scientist, Assay Development
Signalchem Biotech Inc. —Richmond, BC
- From $70,000 a year
- Full-time
- Doctoral degree
- Research
- Master's degree
- Dental care
- Paid time off
Quick apply
Food Research and Project Technician
Fit Foods P —Port Coquitlam, BC
- $50,000–$60,000 a year
- Temporary
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick apply
Research Engineer / Scientist
NORAM Engineering & Constructors Ltd. —Vancouver, BC
- Full-time
- CAD
- Engineering
- Maintenance
- Dental care
- Paid time off
Quick apply
Application Scientist
CORACTIVE HIGH-TECH INC. —Quebec City, QC
- Full-time
- Doctoral degree
- Engineering
- Laboratory experience
- Mileage reimbursement
- Designated paid holidays
Quick apply
Research And Development Scientist - Geochemistry
Actlabs —Ancaster, ON
- $85,000–$133,000 a year
- Full-time
- Doctoral degree
- Research
- Microsoft Office
- Dental care
- Paid time off
Quick apply
Environmental Scientist
Associated Engineering —Edmonton, AB
- Hybrid work
- Master's degree
- Business development
- Bachelor's
- Dental care
- Paid time off
Lead Data Scientist
Sanofi EU —Toronto, ON
- $108,900–$157,300 a year
- Hybrid work
- Azure
- Doctoral degree
- Computer Science
9d
Data Scientist Manager
Sanofi EU —Toronto, ON
- $125,300.00–$180,966.66 a year
- Hybrid work
- Doctoral degree
- Computer Science
- English
9d
Senior Water Scientist / Engineer
Associated Engineering —Edmonton, AB
- Hybrid work
- Engineering
- Master's degree
- Business development
- Dental care
- Paid time off
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
Fiber Optic / Photonic Engineer Scientist
OZ Optics Ltd —Ottawa, ON
- Overtime
- Engineering
- English
- Research
- Wellness program
- Disability insurance
Quick apply
Principal Scientist, R&D - Product Dev
Kraft Heinz Company —Montréal, QC
- $96,200–$120,200 a year
- Engineering
- Master's degree
- Bachelor's
- Wellness program
- Designated paid holidays
Senior Data Scientist - Toronto (m/f/d)
autoTRADER.ca —Toronto, ON
- $180,000–$210,000 a year
- Computer Science
- Engineering
- System design
- Employee assistance program
Junior / Intermediate Environmental Scientist
Basin Environmental Ltd. —Calgary, AB
- $30–$40 an hour
- Immediate opening
- Writing skills
- Data analysis skills
- Master's degree
- Dental care
- Paid time off
Quick apply

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Senior Research Scientist - AI Trainer

DataAnnotation -
Slave Lake, AB

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Job details

Contract | Fixed term contract
$50.00–$140.56 an hour

Qualifications

Statistics
Predictive analysis
Statistics
Doctoral degree
Computer Science
Predictive modeling analysis
Writing skills
Engineering
Mathematics
English
Master's degree
Bachelor's
Quantitative modelling analysis
A/B testing
Data science
AI
Performing statistical data analysis

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 Senior Research 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

Refine Your Search

scientist jobs in canada

Senior Research Scientist - AI Trainer

Principal Data Scientist - AI Trainer

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Research Scientist, Assay Development

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Environmental Scientist

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Senior Water Scientist / Engineer

Senior Data Scientist

Fiber Optic / Photonic Engineer Scientist

Principal Scientist, R&D - Product Dev

Senior Data Scientist - Toronto (m/f/d)

Junior / Intermediate Environmental Scientist

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